top of page
  • ViserMark

Samsung Galaxy Note 20 - Smartphone Battery Performance

Updated: Nov 10, 2023

The Samsung Galaxy Note 20 is an Excellent Smartphone!


Battery Capacity mAH: 4300

 Samsung Galaxy Note 20 smartphone

Smartphone Battery Performance: Ranking #57

In the lower half for Battery Performance within the


Battery Performance Testing and Review - October 2020

ViserMark Label for battery performance with 44/100


Galaxy models from Samsung are one of the most successful and always-awaited Smartphone series. The Galaxy Note is dedicated to people who want more than just a Smartphone. The Samsung Galaxy Note 20 has a big format, integrating only a 4300 mAh high-capacity battery.


Release Date: December 2020

Product Features and Specification

  • Camera: Triple, 64MP main camera

  • Chipset: Exynos 990

  • Battery: 1,5 days of use with 4300 mAh battery

  • Display: 6.7 Super Amoled

  • Size: 161,6 x 75,2 x 8,3 mm

  • Weight: 198g

  • Memory: 256GB and 8GB RAM


Battery Performance


The Samsung Galaxy Note 20 is a High Tier Smartphone (500-699 EURO). It has an Exynos 990 chipset that Samsung has selected for this particular Smartphone. This presents an ideal opportunity to see if this chipset has a better battery consumption when compared to the Qualcomm chipset.

ViserMark Label for battery performance indicating 44/100

The overall Battery Performance Score is now a global score taking calculations from Battery Life, Power Efficiency and Charging Times.

The Samsung Galaxy Note 20 test results gave 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 among the best Battery Performance Smartphones tested by SmartViser.


Testing Results

BATTERY LIFE - Days of Use

ViserMark Label for battery life indicating 1.5/5 Days of Use

Through the ViserMark test protocol, the Samsung Galaxy Note 20 obtained 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 this Battery Life performs below average, placing the Samsung Galaxy Note 20 lower on the ViserMark Battery Life autonomy ranking.


Test Graphics

Our testing is based on smartphone usage from 100% battery level down to Power Off. When testing Smartphones, the testing protocol includes everyday life activities, for instance, Calls, Web, Video and Music streaming, Gaming, Social networks, Picture and video capture and standby.

All testing is performed under strictly controlled test conditions and executed in a defined order and timeline.

Looking at the graph below, we can quickly identify the impact of battery life. Interestingly, we can repeat the same battery life consumption behaviour on each test run.

A chart for smartphone battery performance test results for Samsung Galaxy Note 20

SmartViser Logo


ViserMark Label for battery efficiency indicating 1/5 leaves

Several power-efficient smartphone processors can cope with the growing number of new applications and 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 the least and 5 being the most power-efficient.

The Samsung Galaxy Note 20 achieved an overall Power Efficiency Score of 1

Smartphone Power Efficiency Icon

  • Smartphone for Power Efficiency: Ranking #74



To conclude, the Samsung Galaxy Note 20 Battery Performance Score achieved was 44 which is lower than most High Tier devices. However, it does offer a full set of premium features and performance for the user.

The Samsung Galaxy Note 20 has the same Battery Score as 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).

A button for Samsung Galaxy Note 20 smartphone specifications

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.

VCX Camera Score 64/100

Samsung Galaxy Note 20


See More Reviews



The Samsung Group is a South Korean multinational conglomerate headquartered in Samsung Town, Seoul. It comprises numerous affiliated businesses, most 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 vital decisive aspects. Please view the comprehensive database of ViserMark testing results.

Not only is ViserMark the first label that measures battery performance, translating mAh into direct battery life scores, but it is also a precious marketing asset to device manufacturers and end-users. ViserMark is a benchmark to help make better-informed choices when buying a Smartphone. 

A button for smartphone ranking

Our test results and reviews are to you first!

A smartphone displaying an empty battery

Join our readers to receive the latest update to our smartphone battery performance scores and performance reviews as soon as we finish testing!


If you are a manufacturer looking to improve your Smartphone's battery Performance, don't hesitate to contact us to discuss how we can help you.


Valutazione 0 stelle su 5.
Non ci sono ancora valutazioni

Aggiungi una valutazione
bottom of page