• Daniel Chaparro

Xiaomi Redmi Note 9T 5G ViserMark Battery Life

Battery Life Testing Report – March 2021


5G has arrived into the Xiaomi Redmi family with the Note 9T. As usual, Xiaomi keeps the balance between the price and features, the Note 9T is the cheapest device offered by the brand so far. The device is powered by a 5000mAh battery assuring enough autonomy to end-users.

Release Date April 2021

Product Features and Specification

  • Design: Texture unibody polycarbonate back

  • Camera: Wide (main) 48 MP, f/1.8, 26mm (1/2.0”, 0,8µm), PDAF

Macro: 2 MP, f/2.4

Depth: 2 MP f/2.4

  • Battery: 5000 mAh (18W fast charge)

  • Display: 6.53"

  • Size: 161.2 x 77.3 x 9.1 mm

  • Weight: 199g

  • Memory: 64/128GB RAM: 4GB

  • Chipset: MediaTek Dimensity 800U 5G (7nm)

  • Android: Android 10, MIUI 12.

  • Software Version: QP1A.190711.020

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The Xiaomi Redmi Note 9T 5G is a mid-tier device (between 200 and 500 EURO) offering 5G connectivity at a very competitive price. It Is equipped with the 5G Dimensity 800U MediaTek chipset, guaranteeing a good balance between high CPU speeds and efficiency and offering to users the possibility of having a dual 5G SIM in the device. Xiaomi has chosen a 5000mAh battery with an 18W fast charge option (33% in 30 mins based on the manufacturer specifications).

Testing Results

Through the ViserMark test protocol, the Redmi Note 9T 5G Battery Life lasts around 61 hours obtaining a 271 ViserMark Performance Score. Compared with the average ViserMark score of mid-tier devices 207, the Redmi Note 9T offers a higher autonomy. At the same time, compared with other devices with a 5000mAh battery, the device performance stands in a similar range (Moto G8 Power (287), Oppo A5 2020 (280), Realme C11 (266)).

Test Graphics


To conclude, the Xiaomi Redmi Note 9T 5G autonomy is higher than most devices on its price range offering 2.5 days of autonomy through the ViserMark test protocol.

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

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Xiaomi was founded in 2010 by serial entrepreneur Lei Jun, who believes that high-quality

technology doesn't need to cost a fortune. Is focused on being the most user-centric mobile internet company. With more than 61 million handsets sold in 2014 and products launched in Taiwan, Hong Kong, Singapore, Malaysia, Philippines, India, Indonesia and Brazil, Xiaomi is expanding its footprint across the world to become a global brand. Xiaomi is headquartered in Beijing, China and has offices in Asia-Pacific, India, and Brazil.

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