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Fast With The Right Features At The Right Price OPPO A57 SMARTPHONE TIER: ENTRY Battery Capacity mAh: 5000 Smartphone Battery Performance Overall Score: 53/100 Overall Battery Performance Score: Ranking #16 Entry Tier Ranking: Ranking #3 We have listed what you need to know about the OPPO A57 Overview OPPO introduced the A57 in April 2022 (released in France in October 2022) it does not disappoint, being a serious contender in our Entry Tier (€0-€199) of smartphones. Battling well with other brands such as Motorola and Nokia, it offers all the features and functionality of smartphones placed within higher tiers, without being overpriced. The OPPO A57 during our battery testing performed well and achieved a battery performance score of 53 out of 100. This score is based on daily life activities, providing a realistic Smartphone battery life review. Overall, the OPPO A57 provides a good user experience, and its touchscreen allows you to switch from one application to another effortlessly. With an Octa-core processor with 4GB RAM, the speed based on the device usage can be adjusted and optimised for better battery consumption. In the box, the smartphone comes with a USB-A to USB-C charging cable, a SIM ejector tool, a bumper case and a set of instructions. Despite having a 3.5 audio connector, unfortunately, no earbuds are supplied. The OPPO A57 is composed of glass and polycarbonate, is lightweight and has an ergonomic design, making it comfortable to hold and use. Although the screen is a lower resolution, it offers an IPS LCD display which provides a wide range of colours. The main panel and settings allow you to change the brightness, and the OPPO A57 has OPPO AI Eye Comfort software function and "blue light reduction" technology. Here’s a quick summary of the OPPO A57 for you: Product - Good Points · Impressive performing smartphone · 33W super-fast charging · Stereo speaker · Long-lasting battery · Water and dust IP-rated resistance · Stylish design and premium feel · Fingerprint technology Product - Be Aware of Points · Limited range of colours available - Glowing Green and Glowing Black · 60Hz refresh rate Smartphone Battery Performance Score and Battery Results We have designed and developed the ViserMark Battery Performance Labels to help Smartphone users. Our battery test results for the OPPO A57 have been translated into the ViserMark Labels displayed below. Let’s look at the review by ViserMark based on the results during testing. You can find the full results of our battery performance testing below: Smartphone Battery Performance Overall Score: The Battery Performance Label shows a score between 0 and 100. It reflects the performance based on independent, repeatable, and rigorous testing. Using various testing criteria, measured using real-life scenarios and live networks, results are collated with calculations from Battery Life, Power Efficiency and Charging results that amount to the total score. The OPPO A57 was positioned in the Entry Tier (€0-€199) based on price. With a score of 53 out of 100 obtained for battery performance, it matched exactly the Apple iPhone 13 Pro within the Flagship/Pro (€700 +) as well as the Honor 50 placed in the Mid Tier (€200-€499). Leading the Entry Tier (€0-€199) are the Realme 7i and Wiko Power U20, both having respectable battery performance scores of 62 out of 100. Just behind is the OPPO A57 having a score of 53 out of 100, with the Nokia G10 and Motorola Moto G30 following slightly behind, with scores of 50 out of 100. Comparison of SmartPhones in the Entry Tier These 3 smartphones sit at the top half of the rankings within this tier and all have a battery capacity of 5000mAh, therefore our testing results show similar battery performance. More Battery Performance Scores can be viewed in the Entry Tier Ranking table. Battery Life Battery Life - How long will this Smartphone battery last? This is expressed in “Days-of-Use” and reflects the time in days that a smartphone can be used from a full charge. Looking into the battery performance results in further detail, in the graph below it is clear to see the results for Battery Life ratings. From a fully charged battery, the comparative smartphones provide between 2 days to 2.5 days of battery life when being used for general daily usage. Comparison of SmartPhones in the Entry Tier Despite all smartphones having a long-lasting battery of 5000mAh, both the Nokia G10 and Motorola Moto G30 perform slightly better, gaining an extra half a day over the OPPO A57. These longer-lasting smartphones take up positions within the Top Ten for Best Battery Life Scores. See what other smartphones made it into the Top Ten, view the Days of Usage table Charging Times Battery Charging Time - How long will this Smartphone take to charge? Time varies to charge different types and sizes of Smartphone batteries. This is expressed in Hours and Minutes. We test the charging times of every device as part of our testing protocol and were impressed with the OPPO A57 delivering a fast charge in just 1 hour and 9 minutes. This means the charging time for the OPPO A57 is significantly faster than both the Nokia G10 and Motorola G30. The charging times are presented below. Comparison of SmartPhones in the Entry Tier OPPO invented and introduced fast charging with VOOC, and therefore uses this advanced technology to create incredibly efficient and fast-charging smartphones. This solution offers a significant competitive advantage when comparing charging times of similar smartphones within the Entry Tier. Often the charging times are at least doubled, as demonstrated in the chart above. Even in the higher tiers, smartphones still can not match up to such fast charging times. More Charging Times can be viewed in the Charging Times table Power Efficiency Power Efficiency - How power efficient is this Smartphone? Maximising the smartphone performance while reducing the amount of energy it consumes, with minimal impact on battery life. It is calculated using Battery Life and Battery Capacity. This is expressed in “Leaves" and reflects a rating between 1 being the least and 5 being the most power efficient. As expected, there is a slight difference in power efficiency results as shown here. The Nokia G10 and Motorola Moto G30 performed equally achieving a rating of 2, although the OPPO A57 slipped to a rating of 1.5 out of 5. Comparison of SmartPhones in the Entry Tier The most battery-efficient smartphones will provide good battery life and reduce the number of times the battery will need to be charged which harms its longevity. As you will appreciate all three manufacturers have dedicated research and development into implementing better battery life autonomy for their devices. More Power Efficiency Scores can be viewed in the Power Efficiency table Should I buy it? The OPPO A57 offers strong performance and delivers all the features and functionality required for a smartphone. Being impressively fast at charging, with long battery life and affordable (around €200), it may be a perfect choice for many people. Although there may be some limitations, they definitely do not overweigh all the positivity around this phone as it offers excellent value for the price. Extra Insights Product Features and Specification Release Date October 2022 (in France) ViserMark tests are performed with the strictest protocol in a controlled environment to ensure repetition and consistency powered and automated by SmartViser’s test automation solution viSer. The automation test includes a variety of user actions from calls to social media and periods of standby times. VCX (Valued Camera eXperience) The VCX Forum has been working with its members on the system and infrastructure as a non-profit organisation. We strive to improve our technology to develop and exchange accurate and objective quality and performance indicators that are our ultimate goal. We will also serve as a compass for the smartphone camera industry. We appreciate your interest in VCX-Forum. No VCX reviews are available for this smartphone. See Another Review Background OPPO is part of and owned by, BBK Electronics, a major Chinese consumer electronics firm. Launched by CEO Cheng Mingyong in 2004, OPPO became China's largest smartphone manufacturer in a mere 12 years. By 2016, the brand could be found everywhere, with OPPO phones being sold in over 400,000 retail outlets across the nation. Latest Reviews If you're looking for the best smartphone on the market, battery performance is one of the key decisive aspects to consider. ViserMark offers labels that measure battery performance, translating mAh into direct battery life scores, days of usage, charging times and power efficiency. It is also a highly valuable marketing asset to device manufacturers and end-users. ViserMark offers a useful benchmark to help make better-informed choices when buying a Smartphone. Get all the latest reviews direct to your inbox Join our readers to receive the latest update to our smartphone battery performance scores and performance reviews as soon as we finish our testing! If you are a Smartphone Manufacturer and looking to improve the Battery Performance of your Smartphones, please get in touch to discuss how we can help.

An official announcement of the Google Pixel 7 - What's New! Google has announced two new devices released on the 13th of October the Pixel and Pixel 7 Pro. In terms of pricing, it seems Google tried to keep at similar levels with the Pixel 6 range starting at $599/ £599. The Pixel 7 128 GB is costing around $599/ £599/ €649 and the version with 256GB will cost $699/ £699/ €749 and is available in a great variety of colours: Snow, Lemongrass, and Obsidian At a glance: Affordable as a Flagship/Pro phone Long-term software support Excellent camera features Brighter 120Hz QHD display Slightly faster charging Long-lasting battery Features and how it compares with its predecessors Google Pixel 6: We are looking forward to receiving the Google Pixel 7 and Google Pixel 7 Pro in our testing labs very soon to check the battery performance. The battery in the Pixel 7 has increased measuring 5000mAh on the Pixel 7 Pro and 4355 mAh on the Pixel 7. Reviewing the Google Pixel 6 Battery Performance The Battery Performance Label shows a score between 0 and 100. It reflects the performance based on independent, repeatable, and rigorous testing. Using various testing criteria, measured using real-life scenarios and live networks, results are collated with calculations from Battery Life, Power Efficiency and Charging results that amount to the total score. The Google Pixel 6 obtained a Battery performance score of 42 out of 100. When reviewed this smartphone was ranked #14 in the High Tier (€500-€699) table. The Google Pixel 6 has a 4614 mAh battery capacity, slightly smaller than the 5003 mAh of the Google Pixel 6 Pro. The Google Pixel 6 and 6 Pro are the first smartphones to be released equipped with Android 12, the new Google interface. During testing, we are able to calculate both the power and efficiency of a smartphone. BATTERY LIFE The Google Pixel 6 scored well in our battery performance testing. It obtained a ViserMark Battery Life of 1.5 Days of Use. CHARGING TIME The charging time to 100% was 1 hour 47 minutes. Fast charging is available. POWER EFFICIENCY The Google Pixel 6 obtained an overall Power Efficiency Rating of 1 Power Efficiency is calculated using Battery Life and Battery Capacity. This is expressed in “Leaves" and reflects a rating between 1 being the least and 5 being the most power-efficient. ViserMark is very much looking forward to completing the Battery Performance testing on the newly announced Google Pixel 7 and Google Pixel 7 Pro smartphones. Despite the excellent camera quality, will the battery performance score increase? Will the Google Pixel 7 achieve greater Power Efficiency - better than before? Will the charging be faster, an improvement on the Google Pixel 6? Here at ViserMark, we will be keen to share with you our Battery Performance test results for the Google Pixel 7 as soon as we have them available. In the meantime, take a look at our latest independent smartphone reviews and scores. ViserMark is on a mission to help manufacturers improve the Energy Efficiency of their devices rather than simply increasing the battery capacity for longer battery life. Make sure you follow us on Social Media and receive our Newsletters to stay up to date with all our latest insights. If you would like to learn more and arrange a demo and a free trial for your company on viSer test engine that drives all the ViserMark testing and this report get in touch with us.

SMARTPHONE TIER: HIGH Battery Capacity mAh: 5000 Smartphone Battery Performance: Ranking #57 In the lower half for Battery Performance within the High Tier Ranking Table Battery Performance Testing and Review - January 2021 Product The Asus ZenFone 7 stands out with its flip camera (three high-quality cameras) that gives clear and colourful shots in both the front and rear captures. Together with a high-capacity battery and a pin-sharp AMOLED display, the ZenFone 7 is the evolved version of ZenFone 6. Release Date: August 2020 Product Features and Specification Design: Futuristic new colours and patterns, mix between art and technology. Camera: Flipping 3 in 1 camera, 64 MP Flip Camera/1.8 EIS (IMX686); 12 MP ultrawide 113º; 8 MP tel camera x3Flash LED dual. Video 8K@30FPS, 4K@60FPS Battery: 5000 mAh (30W fast charge PD 3.0) Display: 6.67" Size: 165.08 x 77.28 x 9.6 mm Weight: 230g Memory: 128GB RAM: 6/8GB Chipset: 5G X55 Android 10 with ZenUI 7 Software Version: QKQ1.200127.002.29.13.7.47_20201020 release-keys Battery Performance Introduction The Asus ZenFone 7 is classed as a High Tier Smartphone (between 500-699 EURO). It is armed with a Qualcomm Snapdragon 865 5G mobile platform. Asus has left behind the IPS display and has bet for a 90Hz full HD OLED display in the ZenFone 7 model. Like the 6 models, the ZenFone 7 is powered by a 5000 mAh battery with a 30W fast charge technology and comes with a homemade customized Android version, the Android 10 ZenUI 7. The overall Battery Performance Score is now a global score taking calculations from Battery Life, Power Efficiency and Charging Times. From the Asus ZenFone 7 test results, we have given this Smartphone a ViserMark Battery Performance score of 44. The Battery Performance Label being further from 100 indicates that this is not one of the best-performing phones. It has been ranked in 57th place of the best Battery Performance Smartphones as tested by SmartViser. Testing Results BATTERY LIFE - Days of Use Through the ViserMark test protocol, the Asus ZenFone 7 battery almost lasted 40 hours, obtaining a Battery Life Score of 1.5 Days of Use. The average ViserMark Battery Life score of High Tier Smartphones is 1.7 Days of Use. This means that this Battery Life is performing below average, placing the Asus ZenFone 7 lower on the ViserMark Battery Life autonomy ranking. Test Graphics Our testing is based on real smartphone usage from 100% battery level down to Power Off. When testing Smartphones, the testing protocol includes common daily life activities, for instance: Calls, Web, Video and Music streaming, Gaming, Social networks, Picture & Video capture and standby. All testing is performed under strictly controlled test conditions with all activities being executed in a defined order and timeline. Figure 1. Battery test at 90 Hz Huawei P Smart 2021 Test Graphics There are a number of power-efficient processors, within today's Smartphones, that are able to cope with the growing number of new applications and can support high-resolution displays without compromising battery life. Power Efficiency is calculated using Battery Life and Battery Capacity. This is expressed in “Leaves" and reflects a rating between 1 being least and 5 being the most power-efficient. The Asus ZenFone 7 achieved an overall Power Efficiency Score of 1 Smartphone for Power Efficiency: Ranking #77 Conclusion To conclude, the Asus ZenFone 7 Battery Performance Score achieved was 44 which is lower than most High Tier devices. Its Battery Performance Score is less than expected if we consider its battery capacity and Asus promoted autonomy of two days. Nevertheless, the device is equipped with the latest chipset and a mechanic system to have a top-quality camera. The Asus ZenFone 7 has the same Battery Performance Score as the Samsung Galaxy Note 20 (44) and the Vivo X51 (47) and performs better than the Motorola Moto Edge. But it is behind some of their main competitors’ Smartphones such as the Oppo Find X2 Neo (47), and the OnePlus 8T (51). ViserMark tests are performed with the strictest protocol in a controlled environment to ensure repetition and consistency powered and automated by SmartViser’s test automation solution viSer. The automation test includes a variety of user actions from calls to social media and periods of standby times. VCX (Valued Camera eXperience) The VCX Forum has been working with its members on the system and infrastructure as a non-profit organisation. We strive to improve our technology to develop and exchange accurate and objective quality and performance indicators that are our ultimate goal. We will also serve as a compass for the smartphone camera industry. We appreciate your interest in VCX-Forum. Asus Zenfone 7 Camera Rating Details See More Reviews Background Established in 1989, ASUS is a multinational company known for the world’s best motherboards and high-quality personal computers, monitors, graphics cards, routers, and other technology solutions. Today, ASUS is designing and building next-generation smart technologies to provide incredible experiences that enhance the lives of people everywhere. Latest Reviews If you're looking for the best smartphone on the market, battery performance is one of the key decisive aspects then ViserMark is for you. ​ Not only is ViserMark the first label that measures battery performance, translating mAh into direct battery life scores, but it is also a highly valuable marketing asset to device manufacturers and end-users. ViserMark is a benchmark to help make better-informed choices when buying a Smartphone.

Here's what we discovered... Our SmartViser team (the test automation technology that powers ViserMark) has visited IFA in Berlin this year and has brought us the key highlights from the event. IFA is a trade show mainly for consumer electronics and home appliances. After a 2 years gap due to the Covid Pandemic, the show opened its doors on the 2nd of September. Organisers said more than 161,000 visitors attend this year’s event. So what were the main highlights? SmartViser at IFA 2022 Our team of experts were at IFA in Berlin discussing the new proposal by the EU on an energy efficiency Index rating for smartphone batteries. Under the new proposal, the Ecodesign and energy labels will aim to make smartphones and tablets more sustainable. According to Fraunhofer IZM “The new energy label for smartphones and tablets will not only display the familiar energy efficiency labels. For the first time, it will include the new EU-wide repairability rating and more information about reliability with details about how long the battery can be expected to last and how the device would fare when exposed to dust, submerged in water, or accidentally dropped” See below the proposal for the new label: Asus at IFA 2022 Following the recent smartphone launches with flexible screens, it was good to see the Zenbook 17-Fold OLED. The price is expected to be around $3,499. The technology was very impressive and a magnetically attached keyboard can also be used. The total weight is 1.5kg and the keyboard 1.8kg. Other features include Intel Core i7-1250U, 16GB of RAM, 1TB of storage, 75 Wh of battery and two Thunderbolt 4 ports. Honor at IFA 2022 Honor announced a brand-new device during the IFA show. The new Honor 70. It follows the fast-charging trend with a 66W Super Charge Technology. Great dual curve design which sits very comfortably in your hand. It has a 6.67” OLED screen with a 120Hz refresh rate. Its camera debuts the Sony IMS 800 Image sensor, 54 MP main camera, 50MP Ultra-wide and Macro second main camera and a 32 MP super clear selfie camera. It boasts a GPU Turbo X which alleges it maintains high frame rates and low power consumption. We will look forward to testing this claim in our ViserMark lab. It also has a fairly large battery 4800mAh with a 66W supercharge. The Honor 50 with a 4300mAh battery reached a 2 days battery and 1.5 out of 5 in Battery Energy Efficiency. Let’s see if the Honor 70 surpasses that. During the show, Honor also showcased the Magic 4 Pro which was announced earlier in the year. Huawei at IFA 2022 Even though Huawei had a low profile over the last couple of years they did make an announcement of two devices at IFA 2022. The Nova 10 and Nova 10 Pro. As Google has revoked access to Play services the company has created its own known as Huawei Mobile Services (HMS). Both devices will only be available in China as well as in some neighbouring countries. They may also be released at a later stage to international markets like Europe. The device comes with a 60MP Dual Autofocus front Camera and a 100E Super Charge Turbo. It is powered by a 4500 mAh battery. If the battery level is in the red, you can select HUAWEI SuperCharge Turbo mode to fully charge the battery in 20 minutes and charge the battery from 20% to 80% in 10 minutes according to the company’s info. HUAWEI nova 10 Pro supports a screen refresh rate of up to 120 Hz. The screen refresh rate can adapt by switching between 120 Hz and 60 Hz. Nova 10 Pro Front Nova 10 Pro Back During the show, we also had the opportunity to see the Huawei P50 Pocket. The company’s own foldable version. The device has a 6.9” Flexible OLED and a 120Hz screen refresh rate. See the highlights in this short video HMD/NOKIA at IFA 202 HMD had a big presence and IFA and chose the event to announce two affordable devices the NOKIA x30 5G and the Nokia G60 5G. The Nokia X30 5G is priced at £399 and hailed by the company as their most eco-friendly device. Its body is made with 100% recycled aluminium and 65% recycled plastic. It comes with a 3 years warranty. Its screen is 6.43” FHD+AMOLED 90 Hz PureDisplay with bright colours and smooth viewing. The Nokia G60 5G is expected to cost around £269.99. No information regarding US pricing yet. The NOKIA G60 5G has a 100% recycled plastic back cover and a 60% recycled frame. It’s covered by a 3-year warranty and promises 3 OS upgrades. Its display is 6.58” FHD+ with a 120 Hz refresh rate. Powered with Snapdragon® 695 5G and equipped with a 50MP AI Triple Camera. Its 4500mAh battery can be charged by 20W fast charging for 800 charging cycles according to the company without any problems or loss of capacity. Fairphone at IFA 2022 Fairphone had a presence in two locations at the event showcasing their latest FP4 device as well as their modular set-up of all their devices starting with FP1, FP2, FP3, and FP4. We can’t wait to bring you the latest updates and scores of the newly announced devices. If you don’t want to miss any of the new testing scores subscribe Check the latest Battery Performance Scores Make sure you follow us on Social Media and receive our Newsletters to stay up to date with all our latest insights. If you would like to learn more and arrange a demo and a free trial for your company on viSer test engine that drives all the ViserMark testing and this report get in touch with us.

SMARTPHONE TIER: HIGH Battery Capacity mAh: 4315 Smartphone Battery Performance: Ranking #57 In the lower half for Battery Performance within the High Tier Ranking Table Battery Performance Testing and Review – May 2021 Product The Vivo X51 was one of the chosen devices by the Chinese brand to land in Europe in 2020, it looks similar to the Asian X50 Pro model, however, the Vivo X51 has additional improvements and features. With a large battery capacity of 4315 aMh, it has a 33W fast charge as well. Having an aesthetic design that is clean and contemporary with a slim flex screen, it also has a 3.96 mm super small camera. Available in an Alpha Grey bringing high-end fashion into high technology, it offers Motion AF Tracking that lets you choose any object in a frame and keeps focus on it. Release Date October 2020 Product Features and Specification Design: Sophisticated design with metal borders. Rear Camera (Quad): 48 MP, f/1.6 (Wide), PDAF, Laser AF, gimbal stabilisation. 8 MP, f/3.4, 135mm (periscope telephoto), 1/4.0”, PDAF, 5x O zoom 13 MP, f/2.5, 50mm (telephoto), 1/2.8”, 0.8 µm, PDAF, 2x O zoom 8 MP, f/2.2, 120°, 16mm (ultrawide), 1/4.0”, 1.12 µm Selfie Camera (single): 32 MP, f/2.5, 36mm (Wide), 1/2.8”, 0.8 µm. Video: 1080@30fps, gyro-EIS. Battery: 4315 mAh (33W fast charge) Display: 6.56" Amoled, 90 Hz, HDR10+ Size: 158.5 x 72.8 x 8 mm Weight: 181.5g Memory: 256 GB ROM 8 GB RAM, No cart slot available Chipset: Qualcomm SM7250 Snapdragon 765G 5G (7 nm) Android: Android 10, Funtouch 10.0 Software Version: RP1A.200720.012 release-keys Battery Performance Introduction The Vivo X51 is a ViserMark High tier smartphone (between 500 - 700 EURO). The smartphone has the Qualcomm® Snapdragon™ 765G processor and boosts both high-end flagship performance and low energy consumption. The overall Battery Performance Score is now a global score taking calculations from Battery Life, Power Efficiency and Charging Times. From the Vivo X51 test results, we have given this Smartphone a ViserMark score of 44. The Battery Performance Label, being nearer 100 indicates that it is one of the mid-range performing ones and has been ranked in 57th place of the best Battery Performance Smartphones as tested by SmartViser. Testing Results BATTERY LIFE - Days of Use The Vivo X51 settings allowed us to test the smartphone with two different settings, which included a 90 Hz and 60 Hz refresh rate. Through the ViserMark test protocol, the battery life autonomy was just over 39 hours with a 60 Hz refresh rate, and around 37 hours with a 90 Hz refresh rate. This achieved 1.5 Days of Use as a ViserMark Battery Performance score . With the average Days of Use ViserMark Battery Life score of a High Tier, Smartphone being “1.7” Days, the Vivo X51 matches the majority of similar Smartphones that also achieved this Battery Life score. CHARGING TIME - Hours and Minutes With the 33W fast charge option, we obtained an outstanding Charging Time of 1 hour and 3 minutes, Vivo advertised 30 mins charging time to 50% which seems correct although it was not verified. Test Graphics Our testing is based on real smartphone usage from 100% battery level down to Power Off. When testing Smartphones, the testing protocol includes common daily life activities, for instance: Calls, Web, Video and Music streaming, Gaming, Social networks, Picture & Video capture and standby. All testing is performed under strictly controlled test conditions with all activities being executed in a defined order and timeline. Figure 1. Battery test at 90 Hz There are a number of power-efficient processors, within today's Smartphones, that are able to cope with the growing number of new applications and can support high-resolution displays without compromising battery life. Power Efficiency is calculated using Battery Life and Battery Capacity. This is expressed in “Leaves" and reflects a rating between 1 being least and 5 being the most power-efficient. The Vivo X51 achieved an overall Power Efficiency Score of 1.0 and is placed in the lower half of the most Power Efficiency Smartphones within the High Tier. Conclusion The Vivo X51 ViserMark Battery Performance score reached was 44. As previously mentioned, this positioned this particular Smartphone in the low part of the ViserMark High Tier ranking table when comparing it to other High Tier Smartphones of similar battery size. Although the Vivo X51 score is close to other comparative Smartphones like the OnePlus 8 Pro (46) and the Oppo Find X2 Neo (47). There is still room for battery life improvement to reach the top of the ViserMark High Tier ranking table and get a Battery Performance score like the Samsung S20 F3 5G (50) or the Huawei P40 Pro (51). ViserMark tests are performed with the strictest protocol in a controlled environment to ensure repetition and consistency powered and automated by SmartViser’s test automation solution viSer . The automation test includes a variety of user actions from calls to social media and periods of standby times. VCX (V alued C amera e X perience ) - not available at present. The VCX Forum has been working with its members on the system and infrastructure as a non-profit organisation. We strive to improve our technology to develop and exchange accurate and objective quality and performance indicators that are our ultimate goal. We will also serve as a compass for the smartphone camera industry. We appreciate your interest in VCX-Forum. See More Reviews Background Vivo is all about 'daring to pursue true perfection, while continuously creating the surprising' Over the past 9 years, they have dared to pursue true perfection, increasingly leading the company to a new height. They unveiled the world’s first Half-Screen In-Display Fingerprint Scanning Technology on Vivo APEXTM, along with Screen SoundCasting Technology and an Elevating Front Camera. Vivo now has over 200,000,000 users and are the preferred brand of young people around the world. Latest Reviews If you're looking for the best smartphone on the market, battery performance is one of the key decisive aspects then  ViserMark is for you. ​ Not only is ViserMark the first label that measures battery performance , translating mAh into direct battery life scores, but it is also a highly valuable marketing asset to device manufacturers and end-users . ViserMark is a benchmark to help make better-informed choices when buying a Smartphone.

SMARTPHONE TIER: ENTRY Battery Capacity: 5000 Smartphone Battery Performance : Ranking #18 In the higher part f or Battery Performance within the Entry Tier Ranking Table Battery Performance Testing and Review – April 2021 Product The Vivo Y11s is the successor of the Y11 model launched in 2019 by the Chinese brand. Together with the Y70 and Y20s, the Y11s is part of the Y family being the most modest smartphone among them. The Y11s is the evolved version of the 2019 model, the Y11s offers new features and improvements as well as a new design. Release Date: January 2020 Product Features and Specification Design: A mix between colours and elegance. Rear Camera: 3 MP (f/2.2 wide) + 2 MP (f/2.4 depth) Selfie Camera: 8 MP (f/1.8 (wide) Battery: 5000 mAh (10W fast charge) Display: 6.51" Size: 164.4 x 76.3 x 8.4 mm Weight: 191g Memory: 32 GB ROM 3 GB RAM Chipset: Qualcomm SM4250 Snapdragon 460 (11 nm) Android: Android 10, Funtouch 11 Software Version: RP1A.200720.012 release-keys Battery Performance Introduction The Vivo Y11s is classified as a ViserMark Entry Tier Smartphone (less than 200 EURO). The smartphone has a Qualcomm SM4250 Snapdragon 460 processor and is powered by a 5000mAh non-removable battery and a 10W fast charge option. The overall Battery Performance Score is now a global score taking calculations from Battery Life, Power Efficiency and Charging Times. From the Vivo Y11s test results, we have given this Smartphone a ViserMark Battery Performance Score of 51 . The Battery Performance Label, being nearer 100 indicates that it is one of the better-performing ones and has been ranked in 18th place of the best Battery Performance Smartphones as tested by SmartViser. Testing Results BATTERY LIFE - Days of Use Through the ViserMark test protocol, the Y11s battery life autonomy was just over 63 hours and obtains a ViserMark Battery Life Score of 2.5 Days of Use. The average ViserMark Battery Life score of Entry Tier Smartphones is 2.2 Days of Use. This positioning the Vivo Y11s in the Top 10 of the ViserMark Battery Life Rankings. CHARGING TIME - Hours and Minutes To reach the full 100% the Charging Time was 2 hours and 25 minutes. The average Charging Time is 1:46 for a Smartphone within the ViserMark Entry Tier. Best Smartphone for Charging Times: Ranking #51 One of the Top 10 Entry Tier Smartphones with the Best Charging Times Test Graphics Our testing is based on real smartphone usage from 100% battery level down to Power Off. When testing Smartphones, the testing protocol includes common daily life activities, for instance: Calls, Web, Video and Music streaming, Gaming, Social networks, Picture & Video capture and standby. All testing is performed under strictly controlled test conditions with all activities being executed in a defined order and timeline. Figure 1. Battery test at 90 Hz There are a number of power-efficient processors, within today's Smartphones, that are able to cope with the growing number of new applications and can support high-resolution displays without compromising battery life. Power Efficiency is calculated using Battery Life and Battery Capacity. This is expressed in “Leaves" and reflects a rating between 1 being least and 5 being the most power-efficient. The Vivo Y11s achieved an overall Power Efficiency Score of 2.0 Best Smartphone for Power Efficiency: Ranking #35 Conclusion The Vivo Y11s Battery Performance Score showed as 51, a good achievement when compared with other smartphones within the ViserMark Entry Tier. Also, compared with other Entry Tier Smartphones having the same battery size, the Vivo Y11s performance is still remarkable, getting better scores than devices like Xiaomi Redmi 8 (47), and Oppo A15 (49) and being able to match the Huawei Y6, Oppo A5 2020 and Xiaomi Redmi 7. ViserMark tests are performed with the strictest protocol in a controlled environment to ensure repetition and consistency powered and automated by SmartViser’s test automation solution viSer. The automation test includes a variety of user actions from calls to social media and periods of standby times. VCX (V alued C amera e X perience ) The VCX Forum has been working with its members on the system and infrastructure as a non-profit organisation. We strive to improve our technology to develop and exchange accurate and objective quality and performance indicators that are our ultimate goal. We will also serve as a compass for the smartphone camera industry. We appreciate your interest in VCX-Forum. Vivo Y11s Camera Rating Details See More Reviews Background Vivo is all about 'daring to pursue true perfection, while continuously creating the surprising' Over the past 9 years, they have dared to pursue true perfection, increasingly leading the company to a new height. They unveiled the world’s first Half-Screen In-Display Fingerprint Scanning Technology on Vivo APEXTM , along with Screen SoundCasting Technology and an Elevating Front Camera. Vivo now has over 200,000,000 users and are the preferred brands of young people around the world. Latest Reviews If you're looking for the best smartphone on the market, battery performance is one of the key decisive aspects then  ViserMark is for you. ​ Not only is ViserMark the first label that measures battery performance , translating mAh into direct battery life scores, but it is also a highly valuable marketing asset to device manufacturers and end-users . ViserMark is a benchmark to help make better-informed choices when buying a Smartphone.

The lab team at ViserMark has been running battery life tests for some of the newly released smartphones this year. As many more Android smartphones have 5G options we wanted to take a closer look at the connectivity, performance and battery life of the Samsung Galaxy S21 5G and the Vivo Y72 5G. The Samsung Galaxy S21 5G was revealed in January this year as the flagship for the Samsung S-series. For testing purposes, this time our Samsung Galaxy S21 5G is Phantom Violet, (we think it is quite a refreshing colour), also it is still a compact smartphone available within the flagship tier (€700 +) of the Visermark Smartphone Tiers. Having many features including, an AMOLED display with adaptive refresh rate handling, enhanced selfie performance and a 4000mAh battery with 25W charging. Keep in mind, that there is no charger or headphones included with this package. The Vivo Y72 5G is the latest smartphone to be released from Vivo. Being ranked as mid tier (€200-€499) smartphone, it also showcases many features including that of a MediaTek’s Dimensity 700 5G chipset and a powerful 5000 mAh battery with 8W charging. It is an attractive smartphone for the price, being around €400 less expensive than the high-end Samsung Galaxy S21 5G. It will provide you with 5G plus all the features you come to expect from today’s smartphones. The most significant frustration mentioned by end-users about their current smartphone is poor battery. Battery performance is a top reason for selecting a new smartphone. 5G has transformed smartphone capabilities with improved connectivity to other devices, such as a household appliance, a car or simply a watch. It also allows for the streaming of TV, music, films etc. with much faster connection speeds – often 20 times faster than 4G. Our short video - Are You 5G Ready? covers the capabilities, but there are also other factors worth considering about 5G... Speed Bandwidth is a key benefit to this technology, being able to handle around a thousand times more data at once than 4G. Coverage 5G range is not as good as 4G coverage. Despite nationwide networks being already built with more on the way, speeds still vary quite widely. Battery Life 5G smartphones are likely to be much more demanding in terms of power and data than 4G smartphone equivalents. With battery life being a key consideration when buying a new smartphone, is 5G more likely to drain your battery? Well, it is time to find out! Although both smartphones are tempting, which one offers the best battery life performance on 4G or 5G? To answer this question, we took the Samsung Galaxy S21 5G and Vivo Y72 5G smartphones to our independent testing lab, where viSer test automation measures and validates key areas of an end user’s experience using our highly specialised, state-of-the-art lab environment. Our SmartViser technology experts use their years of experience to simulate real day life general usage. Testing Scope: Network Conditions: 4G & 5G with similar radio network conditions (Between -80dbm and -90dbm) Mobile Network: Orange France Location of Testing: Rennes France Use Cases: Web Browsing Youtube Social Media (Instagram) With the Vivo Y72 5G having a battery of 5000 mAh capacity, the bigger battery of the two, since the Samsung Galaxy S21 5G features a slightly lower battery capacity of 4000 mAh. The ratings indicated in our results show in minutes the duration to drain 5% of the battery capacity for the Samsung Galaxy S21 5G or the Vivo Y72 5G. Orange was selected as the network provider for both 4G and 5G, offering similar radio conditions during testing. Finally, 3 user cases were selected, specifically focussing on common daily life activities of an end-user when consuming data. Outcomes Below reflect the test results for the Samsung Galaxy S21 5G: Below reflect the test results for the Vivo Y72 5G: To learn more about our automated testing protocol click here Both smartphones when using 5G, generally display over draining slightly more. However, the test results show improved performance for streaming. Samsung Galaxy S21 5G So the Samsung Galaxy S21 5G, as we already know has a smaller battery life than the Vivo Y72 5G, however, when testing on 4G and 5G within good signal strength and comparable quality conditions, the Samsung Galaxy offers similar battery life. Vivo Y72 5G Also, the Vivo Y72, with good signal strength and comparable quality conditions, offers a similar level of battery life. If you are an early adopter of 5G then it should not have a serious impact on battery life. As theoretically, radio coverage is far from wide and radio condition will remain at a lower strength and for instance, indoor coverage is weaker. At ViserMark we have measured the impact of weaker 5G radio condition on battery life. As you can see below impact is rather important. Conclusion From our findings, there is not a large difference between the Samsung Galaxy S21 5G and the Vivo Y72 5G when comparing 4G vs 5G connectivity. That said, the Samsung Galaxy S21 5G offers good performance, a sharp display and a battery life of around one day. It's also worth pointing out that the Vivo Y72 5G certainty delivers a slight performance boost with its 5000 mAh battery. Your choice to keep your phone connectivity on 5G will depend on your usage. 4G is still perfect for browsing and using social apps, indeed we have not noticed any significant changes in performance for the specific everyday user activities tested. The 4G coverage is in most locations much better than 5G and using 4G more will help to limit battery drainage. If you are heavily consuming media or a business user higher data rate may boost your experience while you will need to compromise with lower battery life. This was our very first dedicated 5G battery life and performance testing, we will continue further analysis on 4G vs 5G connectivity and the impact on the battery life and performance of a smartphone. We will aim to replicate more typical end-user usage testing incorporating 5G coverage. Further reports and testing results will be shared in the coming months with performance on specific devices, chipsets, and Network Operators. Make sure you follow us on Social Media and receive our Newsletters to stay up to date with all our latest insights.

SMARTPHONE TIER: ENTRY Battery Capacity mAh: 5000 Smartphone Battery Performance: Ranking #13 In the Top 3 Smartphones f or Battery Performance within the Entry Tier Ranking Table Battery Performance Testing and Review – April 2021 Product Being part of the Smart line, the Huawei P Smart 2021 was one of the last Smartphones from the Chinese brand for 2020. It is the first device from its family to come without Google services. The Huawei P Smart 2021 is presented as the evolution of the Huawei P Smart 2020 model. Release Date September 2020 Product Features and Specification Design: A mix between colours and elegance Rear Camera: 48 MP (f/1.8 aperture) + 8 MP (120° Ultra-Wide-Angle Lens, f/2.4 aperture) + 2 MP (Depth Lens, f/2.4 aperture) + 2 MP (Macro Lens, f/2.4 aperture) Selfie Camera: 8 MP (f/2.0 aperture) Battery: 5000 mAh (22.5W fast charge) Display: 6.67" Size: 165.7 x 76.9 x 9.3 mm Weight: 206g Memory: 128 GB ROM 4 GB RAM Chipset: Huawei Kirin 710A (14 nm) Android: Android 10, EMUI 10.1, no Google Play Services Software Version: PPAH-L22 10.1.1.155(C432E4R2P1) Battery Performance Introduction The Huawei P Smart 2021 is classed as a ViserMark Entry Tier Smartphone (less than 200 EURO), it has a Kirin 710A chipset, the evolved version of 710 one. Huawei has powered the 2021 model with a 5000mAh battery, and a 22.5W fast charge option. The overall Battery Performance Score is now a global score taking calculations from Battery Life, Power Efficiency and Charging Times. From the Huawei P Smart 2021 test results, we have given this Smartphone a ViserMark Battery Performance Score of 53 . The Battery Performance Label, being nearer 100 indicates that it is one of the better-performing ones and has been ranked in 13th place of the best Battery Performance Smartphones as tested by SmartViser. Testing Results BATTERY LIFE - Days of Use Through the ViserMark test protocol, the Huawei P Smart 2021 battery life lasts over 59 hours and it obtains a ViserMark Battery Life Score of 2.5 Days of Use. The average ViserMark Battery Life score of Entry Tier Smartphones is 2.2 Days of Use. This impressive result, positioning the Huawei P Smart 2021 in the Top 10 of the ViserMark Battery Life autonomy ranking. CHARGING TIME - Hours and Minutes To reach the full 100% the Charging Time was 1 hour and 42 minutes . The average Charging Time is 1:46 for a Smartphone within the ViserMark Entry Tier. Best Smartphone for Charging Times: Ranking #37 One of the Top 5 Entry Tier Smartphones with the Best Charging Times Test Graphics Our testing is based on real smartphone usage from 100% battery level down to Power Off. When testing Smartphones, the testing protocol includes common daily life activities, for instance: Calls, Web, Video and Music streaming, Gaming, Social networks, Picture & Video capture and standby. All testing is performed under strictly controlled test conditions with all activities being executed in a defined order and timeline. Figure 1. Battery test at 90 Hz There are a number of power-efficient processors, within today's Smartphones, that are able to cope with the growing number of new applications and can support high-resolution displays without compromising battery life. Power Efficiency is calculated using Battery Life and Battery Capacity. This is expressed in “Leaves" and reflects a rating between 1 being least and 5 being the most power-efficient. The Huawei P Smart 2021 achieved an overall Power Efficiency Score of 1.5 Best Smartphone for Power Efficiency: Ranking #37 Conclusion To conclude, the Huawei P Smart 2021 Battery Performance Score achieved was 53 and is higher than most Entry Tier Smartphones. However, when comparing the device performance with other devices having the same battery size, the Huawei P Smart 2021 Battery Performance is slightly lower than expected. The Huawei P Smart 2021 Smartphone performs better than the Xiaomi Redmi 8 (47) and the Xiaomi Redmi 7 (51) but is behind some of their main competitors’ Smartphones such as the Realme 7i (62), Wiko Power U20 (62), and the best-performing Smartphone Wiko View 5 (68). ViserMark tests are performed with the strictest protocol in a controlled environment to ensure repetition and consistency powered and automated by SmartViser’s test automation solution viSer. The automation test includes a variety of user actions from calls to social media and periods of standby times. VCX (V alued C amera e X perience ) The VCX Forum has been working with its members on the system and infrastructure as a non-profit organisation. We strive to improve our technology to develop and exchange accurate and objective quality and performance indicators that are our ultimate goal. We will also serve as a compass for the smartphone camera industry. We appreciate your interest in VCX-Forum. Huawei P Smart 2021 Camera Rating Details See More Reviews Background Founded in 1987, Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. They have more than 194,000 employees, and operate in more than 170 countries and regions, serving more than three billion people around the world. Huawei is a private company wholly owned by its employees Latest Reviews If you're looking for the best smartphone on the market, battery performance is one of the key decisive aspects then  ViserMark is for you. ​ Not only is ViserMark the first label that measures battery performance , translating mAh into direct battery life scores, but it is also a highly valuable marketing asset to device manufacturers and end-users . ViserMark is a benchmark to help make better-informed choices when buying a Smartphone.

SMARTPHONE TIER: ENTRY Battery Capacity mAh: 5000 Smartphone Battery Performance: Ranking #4 In the Top 3 Smartphones f or Battery Performance within the Entry Tier Ranking Table Battery Performance Testing and Review - April 2021 Product From the Realme 7 family, the Realme 7i was one of the last devices from the Chinese brand from 2020. The Realme 7i is the cheapest device from its family however its quality is remarkable for a low budget device. As the evolved version of the Realme 6i, the Realme 7i is designed to catch gamers attention due to its gaming processor and battery size. Release Date: September 2020 Product Features and Specification Design: Robust plastic design Main Camera: 48 MP, f/1.8 26mm (wide) (1/1.73”, 0,8µm), PDAF 8 MP (ultrawide), f/2.3, 119 ˚, 16 mm, (1/4.0”, 1.12 µm) 2 MP (macro) f/2.4 2 MP (depth) Selfie Camera: 16 MP, f/2.1, 26mm (Wide), 1/3”, 1.0µm Battery: 5000 mAh (18W fast charge) Display: 6.5" Size: 164.5 x 75.9 x 9.8 mm Weight: 188g Memory: 64/128 GB RAM: 4/8 GB Chipset: Qualcomm SM6115 Snapdragon 662 (11 nm) Android: Android 10, Realme UI Software Version: RMX2193_11_A.10 Battery Performance Introduction The Realme 7i is an Entry Tier Smartphone (less than 200 EURO) powered by the Mediatek Helio G85 chipset, a gaming processor specially designed for game lovers. The Realme 7i is powered by a 5000 mAh battery, and an 18W fast charge, a well-sized battery to offer enough autonomy while playing. The overall Battery Performance Score is now a global score taking calculations from Battery Life, Power Efficiency and Charging Times. From the Realme 7i test results, we have given this Smartphone a ViserMark Battery Performance Score of 62 . The Battery Performance Label, being nearer 100 indicates that it is one of the best-performing ones and has been ranked in 4th place of the best Battery Performance Smartphones as tested by SmartViser. Testing Results BATTERY LIFE - Days of Use Through the ViserMark test protocol, the Realme 7i battery lasts around 86 hours obtaining a ViserMark Battery Life score of 3.5 Days of Use. The average ViserMark Battery Life score of an Entry Tier Smartphone is 2.2 Days of Use. This score places the Realme 7i as one of the best Smartphones with great battery life and matches the Wiko Smartphones that dominate the ViserMark Entry Tier ranking. The Realme 7i also has a Super Power Saving mode that gives extra life to the phone when the battery is about to die. CHARGING TIME - Hours and Minutes To reach the full 100% the Charging Time was 3 hours and 7 minutes. The average Charging Time is 1:46 for a Smartphone within the ViserMark Entry Tier. Best Smartphone for Charging Times: Ranking #66 One of the Top 5 Entry Tier Smartphones with the Best Charging Times Test Graphics Our testing is based on real smartphone usage from 100% battery level down to Power Off. When testing Smartphones, the testing protocol includes common daily life activities, for instance: Calls, Web, Video and Music streaming, Gaming, Social networks, Picture & Video capture and standby. All testing is performed under strictly controlled test conditions with all activities being executed in a defined order and timeline. Figure 1. Battery test at 90 Hz There are a number of power-efficient processors, within today's Smartphones, that are able to cope with the growing number of new applications and can support high-resolution displays without compromising battery life. Power Efficiency is calculated using Battery Life and Battery Capacity. This is expressed in “Leaves" and reflects a rating between 1 being least and 5 being the most power-efficient. The Realme 7i achieved an overall Power Efficiency Score of 2.5 Best Smartphone for Power Efficiency: Ranking #8 One of the Top 5 Entry Tier Smartphones with the Best Power Efficiency Conclusion To conclude, the Realme 7i autonomy is higher than most devices in its price range, offering 3.5 days of autonomy through the ViserMark Test Protocol. To compare it with other Low Tier Smartphones, a selection of devices powered by a 3000 mAh battery was conducted expecting them to have Battery Performance scores close to half of the Realme 7i one. From this perspective, the Realme 7i Battery Performance stands close to other low tier devices like the Huawei Y6 (3020 mAh) (Visermark Battery Performance Score is 51) or the Huawei P Smart 2019 (3400 mAH) (Visermark Battery Performance Score is 47). ViserMark tests are performed with the strictest protocol in a controlled environment to ensure repetition and consistency powered and automated by SmartViser’s test automation solution viSer. The automation test includes a variety of user actions from calls to social media and periods of standby times. VCX (V alued C amera e X perience ) - not available at present The VCX Forum has been working with its members on the system and infrastructure as a non-profit organisation. We strive to improve our technology to develop and exchange accurate and objective quality and performance indicators that are our ultimate goal. We will also serve as a compass for the smartphone camera industry. We appreciate your interest in VCX-Forum. See More Reviews Background Realme is a Chinese smartphone manufacturer headquartered in Shenzhen, Guangdong. The company was founded on May 4, 2018, by Sky Li, who was former vice president of Oppo. By July 2019, Realme had successfully entered 20 markets, including China, South Asia, Southeast Asia, and Europe. In June of 2020, Realme's global users of smartphones reached 35 million Latest Reviews If you're looking for the best smartphone on the market, battery performance is one of the key decisive aspects then  ViserMark is for you. ​ Not only is ViserMark the first label that measures battery performance , translating mAh into direct battery life scores, but it is also a highly valuable marketing asset to device manufacturers and end-users . ViserMark is a benchmark to help make better-informed choices when buying a Smartphone.

At ViserMark, we have been testing devices for almost a year now. We have been following the introduction of higher refresh rate displays very carefully as this new technology is directly impacting battery life. Device manufacturers these days are looking for several ways to differentiate their devices by offering various features such as optimised battery life, enhanced cameras, 4K screens and recently high-end devices have included super-fast 90Hz to 120Hz refresh rates displays. Before we start analysing the impact let's explain what refresh rate is. What is refresh rate? What we need to understand is that smartphone displays are not static. The content in our devices appears very smooth and this is because every pixel in the display updates not randomly but at regular intervals which are known as a refresh rate. Why do refresh rates matter? A higher refresh rate will give a smoother experience when consuming certain content from your smartphone. You will get less value from steady usage content like looking at pictures, reading an article or email, during calls or even enjoying a short video. But for all usages with high screen transition, the comfort a user will experience from a higher refresh rate will be unmatched: browsing, scrolling within social apps, navigating through smartphone menus, searching for emails and gaming. In fact, high refresh rates were firstly introduced on gaming-focused smartphones (like the Razer Phone) and have progressively migrated to the premium segment, then into several more devices. After using a smartphone with a 90Hz to 120Hz refresh rate you will find it exceedingly difficult to switch back to 60Hz (the standard rate) as the quality of experience is noticeably enhanced. But this optimum performance for user experience comes with its drawbacks. Higher refresh rates require extra power, meaning a direct negative impact on battery life and performance. At ViserMark we measure this impact and aim to provide guidelines in our reviews on how to deal with this parameter. Results Analysis We have been testing two different phones: the Oppo Find X2 Pro which holds an excellent 120Hz Quad HD and the Xiaomi Mi10T Pro with one of the only LCD screens able to refresh up to 144Hz. We have selected two cases where the screen must manage a fast refresh to keep up with the following user interaction: scrolling up/down in Gmail mailbox and browsing through chrome selection of articles. Here are our findings: On Gmail browsing, we measured around 10% extra power drain when switching from 60Hz to 120Hz During Chrome browsing, we have measured up to 30% extra power drain when selecting 144Hz (Power drain during Chrome browsing: 60Hz in blue / 144 Hz in black on Redmi 10T Pro) As you know, the impact on battery life can be rather important. Although enabling a higher refresh rate will lead to shorter battery life, you can not conclude that the overall usage time will be reduced by up to 30%. Indeed, manufacturers have implemented an interesting feature to help you get the best experience with minimum impact on power drain: adaptive refresh rate. This means that the smartphone will adapt its refresh rate depending on the user activity. Furthermore, while the previous adaptive feature was switching between 60Hz, 90Hz or 120Hz, brand new premium displays are integrating a new adaptive algorithm. Which, can choose within a broader range of rates, from 10Hz to 120Hz, ensuring the balance between smoother experience and control of battery life. In conclusion, the latest display technologies around refresh rate are highly changing the user experience. While manufacturers are very cautious not to affect the impact on battery life, we recommend sticking to lower refresh rates for busy days where battery percentage remains key. This will ensure you prolong the battery life when you need it most. Further results will be shared in the coming months with performance on specific devices, chipsets, and Network Operators. Make sure you follow us on Social Media and receive our Newsletters to stay up to date with all our latest insights.

Preliminary Results 5G will bring lots of new technological advancements and speeder connections using a smartphone. It is well accepted in the Telecoms community that new advancements in technology like with 4G previously, will have lots of new advantages but the one area that always seems to suffer is the Battery life. This report will explore the benefits in terms of speeds and the impact on Battery performance taking into account the network set-up. Before we start you can see below a short video on 5G technology and how it compares with previous-generation technologies. An Overview of some of the key aspects of 5G can be seen in the video below: Test Automation At ViserMark using viSer test automation technology, we are in a position to assess and analyse many network and device Key Performance Indicators like: Data Performance (Web browsing, file transfer, streaming) Battery Life Network Access (Network coverage and performance) Call Services Messaging All testing was performed using with viSer in UK and France. 5G NSA and Main Challenges We have started a study several weeks ago on 5G NSA (Non-Standalone) in UK and France using the Live network in specific areas. The study will continue over the next months, but we can release some of the preliminary findings. NSA 5G is a solution where 5G is supported by the existing 4G infrastructure. We need to urge some caution at this stage to accurately measure the impact of the 5G in Battery life we have many variables that can affect the test results. Testing is performed on a Live network and therefore we are comparing a very mature technology 4G to a new technology 5G which is not yet fully comparable, but this can still give us some early indications. Before we get into the analysis of the results let us first list some of the challenges: Testing is performed on a Live network. 4G signal strength was very good -80dbm whereas 5G signal strength was weaker but still good at -99dbm. The first phase of testing has been performed on early 5G devices where the chipset technology was not fully optimised. We are expecting to see better performance with the latest chipsets and devices. We have experienced some network instability with services sometimes bouncing between 4G and 5G. Summary of First Observations and Findings: Network 5G deployments are still in the early phase. In 2021 we are expecting to see it more mainstream with further implementations. According to a GSA Report, 38 countries had 5G networks as of August 2020. The infographic below gives an overview of current deployments. Source: Statista We have noticed during our testing that performance can change a lot depending on location and operator. You may even do not see any real difference between 5G and 4G and this was a case in some test locations in France. Data Speeds Undoubtedly one of the key benefits of 5G is the data transfer either downlink or uplink speed. 5G promises device speeds around 10 times faster than 4G. From the testing, we have performed in two locations we have observed a maximum speed of around twice more than we saw on 4G. In the graph below you can see peak download throughput was 87.75 MB/s for 4G and 201 MB/s for the 5G. More interesting, the average downlink throughput is 3 times faster on 5G than on 4G. 5G speeds are continuously improving and we will be seeing even better performance as the technology matures. According to Qualcomm 5G is designed to deliver peak data rates to up to 20Gbps. So, with the data speeds, we have observed in the specific location if you want to download a 2 hour 4K film (14GB) in 4G it will take you roughly 22 minutes and 50 seconds based on the average score above. If you are looking to download the same film in 5G NSA this will take you 9 minutes 56 seconds in the 5G NSA network. When the 5G technology reaches its peak data rates the same film will be downloaded in an astonishing 6 seconds!! In the second location the testing was performed we did not achieve the same results of increased 5G performance. The performance was only marginally higher, and it can be seen by the graph below and in one instance 4G performed better. Battery Impact The download speed is very appealing for some and below we can see what the impact on the battery will be. From the testing we have performed we had just over the double increase in the data speed on 5G and this is accelerating the battery drain. The extra power drain is compensated by shorter data transfers. From the graph, we can see the 4G (Black colour) provides a more linear gradual discharge of the battery whereas 5G (Blue colour) a higher discharge rate. We can also see that Battery temperature is also impacted. The graph in Black represents the 5G NSA network whereas the graph on Blue the 4G. This clearly shows the handset has to work harder when downloading content and reaching higher speeds. These results represent some of the initial observations and our team is working on additional tests to provide you more information on different brands of devices, chipsets and Network Operators. Further results will be shared in the coming months with performance on specific devices, chipsets, and Network Operators. Make sure you follow us on Social Media and receive our Newsletters to stay up to date with all our latest insights.

SMARTPHONE TIER: ENTRY Battery Capacity mAh: 5050 Introducing the latest budget Smartphone - can it compete? Smartphone Battery Performance Overall Score: 40/100 Overall Battery Performance Score: Ranking #82 Entry Tier Ranking: Ranking #8 We have listed what you need to know about the Nokia G21 This smartphone comes well equipped with features comparable to other smartphones within this competitive marketplace, with a particularly good battery life highlighted within our battery performance testing. Review our review and see our full test results, translated into ViserMark Labels designed to help you make an informed decision when selecting a smartphone. Smartphone Battery Performance Score and Battery Performance Results Smartphone Battery Performance Overall Score: 40/100 With the Nokia G20 launched nearly over a year ago, the Nokia G21 makes its arrival within the Entry Tier (€0-€199) of budget smartphones. This smartphone faces tough competition within this Entry Tier, especially from better well-known brands such as Xiaomi, Realme and Motorola. However, the Nokia G21 uses Android One, which could be seen as advantageous for users with easy UI and fast updates. As with the Nokia G10, which we tested in our labs earlier this year, the Nokia G21 has exactly the same battery capacity of 5050 mAh. Despite having the same battery capacity, the Nokia G21 achieved an overall battery of 40 out of a possible 100 and was unable to match its processor obtaining 50 as an overall score. Welcome to the Entry Tier Ranking Table Within the Entry Tier Ranking table, (smartphones classified in a price range from €0-€199) the Nokia G21 joins other budget smartphones that have gained some impressive scores when tested by our experts in the SmartViser team for battery performance. The main challengers, to the Nokia G21, are the Oppo A16 and Ulefone Note 11 Pro, both obtaining a score of 39 out of 100 when reviewed in our labs during 2021. All results can be seen in the table below. From our battery performance testing, we have compiled all our testing results and scores during 2021 - 2022. These can be seen here in our Smartphone Ranking 2021/2022 table. Battery Performance Testing and Review - Aug 2022 Product - Good Points The Nokia G21 has the following features: It offers: stylist design good battery life uses Android One extras include a 3.5mm jack, FM radio, NFC, and Dual Sim with MicroSD slot Product - Be Aware of Points The Nokia G21 lacks in performance in the following ways: Max connectivity is 4G lacking camera quality - no ultrawide option can be slow charging the display is slightly below average for brightness Product Features and Specification Release Date: 15th February 2022 Let’s have a look at the Nokia G21 Battery Performance Testing Results in more detail. Overall Battery Performance Results With an average price, of around 189.99 EURO the Nokia G21 performed well during our testing, although perhaps slightly slower than expected for a smartphone with an average battery capacity of 54050 mAh. In our testing, the Nokia G21 achieved the following test results: Battery Performance Score – 40 out of 100 The overall Battery Performance Score is now a global score taking calculations from Battery Life, Power Efficiency and Charging Times. With a score of 40 awarded, the Nokia G21 was placed in 82nd place within our database of all testing scores. Therefore, it is positioned towards the bottom of the overall rankings for battery performance. Full details of our testing results database can be viewed in the ViserMark Smartphone Ranking 2021/22 table. The Average Battery Performance Score of an Entry Tier smartphone is 36.9, so the Nokia G21 indicates a better than average battery performance when tested in our labs. There is a small gap dividing the Nokia G21, just below mid-table with a score of 40 and the Realme 7i positioned in first place with a 62 score when looking closer at the Entry Tier table. Learn more about the testing results from Entry Tier smartphones, by following the link. Battery Life - 2 Days of Use BATTERY LIFE - Days of Use Based on the ViserMark test protocol, the Nokia G21 achieved a score of 2 Days. The Average Day of Use score of an Entry Tier smartphone is 2.2 Day of Use which places the Nokia G21 respectably alongside the Oppo and Motorola brands within this tier of smartphones. As shown on the chart below: When viewing the official specification for the Nokia G21, the manufacturer does state that this smartphone has a 3 Day battery life. This testing is based on their own testing methodology. Our testing environment ensures the following: Based on real smartphone usage from 100% battery level down to Power Off​ The protocol includes common daily life activities, for instance: Calls, Web, Video and Music streaming, Gaming, Social networks, Picture & Video capture, standby​ Performed under strictly controlled test conditions​ All activities are executed in a defined order and timeline Overall, the Nokia G21 with a 5050 mAh battery, did achieve an impressive battery life performance. This reached a top-half ranking of #42 for overall Days of Usage in our database of testing results. More Battery Life testing results from our 2021-2022 database can be viewed, follow this link. CHARGING TIME – 2 Hours and 56 Minutes CHARGING TIME - Hours and Minutes The charging time to 100% was 2 hours and 56 minutes to a full charge. The Average Charging Time for an Entry Tier smartphone is 1 hour and 59 minutes. The Nokia G21 took 2 hours and 59 minutes, so being 1 hour slower than the average charging time for this tier, was disappointing. The charging time for the Nokia G21 just missing out by 1 second of that of the Nokia G10, however, it is still 11 seconds quicker than the Motorola G30, as the chart shows below. It is also worth noting that the Nokia G21 does support 18W fast charging, however, it is boxed with a less powerful 10W adapter. To find out the quickest smartphone charging times during 2021-2022, follow this link. POWER EFFICIENCY – 1 Leaf from a 5 Leaf Rating There are several power-efficient processors, within today's smartphones, that can cope with the growing number of new applications and can support high-resolution displays without compromising battery life. Power Efficiency is calculated using Battery Life and Battery Capacity. This is expressed in “Leaves", reflecting a rating between 1 being the least and 5 being the most power-efficient. The Average Power Efficiency for an Entry Tier smartphone has a rating of 1.8 Leaf. A Power Efficiency Score of 1.0 was given to the Nokia G21, therefore falling short of this battery performance level. From the table shown below, we have the Power Efficiency results shown for the closest challengers of the Nokia G21 within the Entry Tier. You will notice that the Nokia G21 is able to compete well with the Oppo A16 and Ulefone Note 11P which also have a similar battery capacity of 5000 mAh. Once again the Nokia G21 was unable to challenge the Nokia G10, with a power efficiency rating of 2.5 and over the average expected for Entry Tier smartphones. See more smartphone Power Efficiency ratings from our testing database, follow this link. Should I buy it? As a budget smartphone, the Nokia G21 can offer good performance, but when compared with Realme and Motorola smartphones it does fall a little short. Even against the Nokia G10, it is lacking in battery life and power efficiency rating. Despite being stylish in design and having a few satisfying features like FM radio and a MicroSD slot, it does not have an ultrawide camera, which is now an expected feature, even on budget smartphones. With that said the 90Hz refresh capability is noticeable and improves the user experience of this smartphone. Extra Insights ViserMark tests are performed with the strictest protocol in a controlled environment to ensure repetition and consistency powered and automated by SmartViser’s test automation solution viSer. The automation test includes a variety of user actions from calls to social media and periods of standby times. VCX (Valued Camera eXperience) - not available at present The VCX Forum has been working with its members on the system and infrastructure as a non-profit organisation. We strive to improve our technology to develop and exchange accurate and objective quality and performance indicators that are our ultimate goal. We will also serve as a compass for the smartphone camera industry. We appreciate your interest in VCX-Forum. See More Reviews Background From its humble beginning in 1865 as a single paper mill operation, Nokia has found and nurtured success over the years in a range of industrial sectors including cable, paper products, rubber boots, tires, televisions and mobile phones. Nokia’s transition to a primary focus on telecommunications began in the 1990s. The first GSM call was made in 1991 using Nokia equipment. Rapid success in the mobile phone sector allowed Nokia to become by 1998, the best-selling mobile phone brand in the world. Celebrating 30 years of transforming telecommunications Latest Reviews If you're looking for the best smartphone on the market, battery performance is one of the key decisive aspects then ViserMark is for you. ​ Not only does ViserMark offer labels that measure battery performance, translating mAh into direct battery life scores, days of usage, charging times and power efficiency but it is also a highly valuable marketing asset to device manufacturers and end-users. ViserMark is a benchmark to help make better-informed choices when buying a Smartphone. Get all the latest reviews Join our readers to receive the latest update to our smartphone battery performance scores and performance reviews as soon as we finish our testing! If you are a Smartphone Manufacturer and looking to improve the Battery Performance of your Smartphones, please get in touch to discuss how we can help you.