• Daniel Chaparro

Samsung Galaxy S21 - Battery Performance Score

Updated: Mar 30


SMARTPHONE TIER: FLAGSHIP/PRO

Battery Capacity mAh: 4000

 

Smartphone Battery Performance: Ranking #54


In the Top 5 for Battery Performance within the


Flagship/Pro Tier Ranking Table


 

Battery Performance Testing and Review – March 2021

 

 

Product


As the new member of the S family, the Samsung Galaxy S21 will be recognised in 2021. Samsung has chosen to remove some specs when comparing with the S20 from the previous year to gain in price competitiveness.


There is also the Samsung Galaxy S21 Plus option if you are looking for a larger screen and the Samsung Galaxy S21 Plus Ultra for those who are looking the best from Samsung.

 

Release Date January 2021


Product Features and Specification


  • Design: Plastic design with metal rails that flow into the camera bump on the back.

  • Front Camera: 10 MP Front camera, f/2.2, 26 mm, 1/3.24”, 1,2µm, Dual Pixel, PDAF

  • Rear Camera: Wide (main)12 MP, f/1.8, 26 mm 1/1.76", 1.8µm, Dual Pixel PDAF, OIS.

Ultra-wide angle: 12, f/2.2, 123˚, 13mm, 1/2.55", 1.4µm; Super Steady video.

Telephoto: 64 MP, f/2.0, 29mm, 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom.

  • Video capture: Rear camera: 8K@24fps,4k@30/60fps, 1080p@30/60/240fps; Front camera: 4K@30/60fps, 1080p@3pfps

  • Battery: 4000 mAh (25W fast charge, 15W fast wireless charge, 4.5W reverse wireless charge, USB Power Delivery 3.0)

  • Display: 6.2"

  • Size: 151.7 x 71.2 x 7.9mm

  • Weight: 169g

  • Memory: 128/256GB 8GB RAM. UFS 3.1

  • Chipset: Exynos 2100 (5 nm)

  • Android: Android 11, One UI 3.1

  • Software Version: RP1A.200720.012.G991BXXU1AUB8


 

Battery Performance


Introduction


The Samsung Galaxy S21 is classed as a flagship-tier device (around 800 EURO) in ViserMark list. The Samsung GalaxyS21 comes with the Exynos 2100 for the international market and the Snapdragon 888 for USA/China. The Exynos version was the one used during our tests; it offers 5G connectivity.


The Samsung Galaxy S21 test results, gave this Smartphone a ViserMark Battery Performance Score of 45. The Battery Performance Label being further from 100 indicates that this is not one of the best-performing phones. It has been ranked in 34th place of the best Battery Performance Smartphones as tested by SmartViser. It is powered by a 4000mAh battery; has a 25W fast charge feature, a 15W wireless fast charge and a 4.5W reverse charge option included.


 

Testing Results

BATTERY LIFE - Days of Use


Through the ViserMark testing protocol, the Samsung Galaxy S21 battery lasted almost 37 hours with a display refreshing rate of 120 Hz and 38.5 hours with 60Hz.


This Smartphone obtaining a obtaining a Battery Life score of 1.5 Days of Use.


The average ViserMark Battery Life score of a Flagship/Pro Tier Smartphone is 1.6 Days of Use. Being ranked 67, this score places the Samsung Galaxy S21 slightly above average within its tier.


 

CHARGING TIME - Hours and Minutes


To reach the full 100% the Charging Time was 1 hour and 13 minutes. The average Charging Time is 1:11 for a Smartphone within the ViserMark Flagship/Pro Tier.




  • Best Smartphone for Charging Times: Ranking #19

  • One of the Top 5 Flagship 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.


Samsung Galaxy S21 Testing 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.


Samsung Galaxy S21 achieved an overall Power Efficiency Score of 1.5





  • Best Smartphone for Power Efficiency: Ranking #63

 

Conclusion


The battery autonomy of the Samsung Galaxy S21 is around`1.5 days based on the ViserMark Test Protocol. It is lower than its predecessor, the S20 (2 days), however, the S21 has a smaller battery (500mAh less). Also, compared to other flagship devices, the S21 performance is similar. Pixel 4XL (182), Oppo X2 Pro (183).


 

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 smart-phone camera industry. We appreciate your interest in VCX-Forum.


Samsung Galaxy S21

Camera Rating Details


 

See More Reviews


 

Background


The Samsung Group is a South Korean multinational conglomerate headquartered in Samsung Town, Seoul. It comprises numerous affiliated businesses, most of them united under the Samsung brand. Samsung Electronics has assembly plants and sales networks in 74 countries and employs around 290,000 people. Samsung is a major manufacturer of electronic components such as lithium-ion batteries, semiconductors, image sensors, camera modules and displays for clients such as Apple, Sony, HTC and Nokia.



 

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. 




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