• Daniel Chaparro

OnePlus 8T ViserMark Battery Life

Updated: Feb 8

Battery Life Testing Report – January 2021


With a 120 Hz Fluid AMOLED screen and a faster and more powerful charge, the OnePlus 8T is the evolved version of the OnePlus 8. With the 8T, OnePlus presents the most powerful charge solution so far, the “Warp Charge 65” provides users with one-day autonomy for 15 minutes charge and a full charge in just 39 minutes. OnePlus is hailing the device as “Ultra-Fast Charging. Ultra-Smooth Scrolling’’. Let’s see how the device performed in the ViserMark lab.

Release Date December 2020

Product Features and Specification

· Design: Premium feel with a Gorilla Glass Technology at the back

· Camera: 48 MP Main Rear Camera, 16 MP Ultra-Wide-Angle Camera, Macro Lens, and Monochrome Lens. 16 MP Front Camera.

· Battery: 4500 mAh (2S1p 2250 mAh, non-removable)

· Display: 6.55"

· Size: 160.7 x 74.1 x 8.4 mm

· Weight: 188g

· Memory: 128GB RAM: 8GB

· Chipset: 5G X55

· Android Version: Android 11 with OxygenOS 11

· Software Version: KB2003_15_201113

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The OnePlus 8T is equipped with a Qualcomm Snapdragon 865 5G mobile platform with Snapdragon X55 5G Modem-RF-System for a fluent 5G multigigabit connectivity. In terms of display, the 120 Hz Fluid AMOLED is rated with A+ from DisplayMate, offering extreme colour accuracy and fluent navigation.

Replacing the 7T model that does not support 5G Technology, the 8T is aimed to fit between the 8 and the 8 Pro being classed as a high tier in terms of price. Just like the 8 and the 8 Pro model, the 8T does not have a headphone jack, however, OnePlus Buds Z is a wireless option specially designed to take to the next level users audio experience.

In terms of design, The OnePlus 8T has a glass rear, which is protected by Gorilla Glass technology, and a metal frame which gives it a premium feel.

The battery does not offer wireless charging, but the company tries to compensate with fast charging capabilities.

Testing Results

Through ViserMark test protocol, the OnePlus 8T battery lasts over 48 hours obtaining a 203 ViserMark score which is acceptable compared with similar tier devices. Such as the Huawei P40 Pro (211 score), Samsung S20 FE (221 score) and Realmi X50 Pro 6G (185 score) and being a device operating at 120 Hz. The OnePlus 8T is considered High Tier which includes devices that cost between €500-€699.

Test Graphics


To conclude, the OnePlus 8T offers a decent autonomy of 2 days with a 4500 mAh battery. Compensated with one of the fastest and most powerful charging systems in the market for those who want an almost nonstop operation.

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

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OnePlus Technology (Shenzhen) Co., Ltd., commonly referred to as OnePlus, is a Chinese smartphone manufacturer headquartered in Shenzhen, Guangdong. It was founded by Pete Lau and Carl Pei in December 2013. The company officially serves 34 countries and regions around the world as of July 2018.

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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, it is 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. 

If you are a smartphone manufacturer and looking to improve your devices battery life and performance get in touch now to discuss how we can help.

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