The Xiaomi Redmi Note 4 (helio X20) Phablet Review

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Page 5 : Work Performance, Battery Life & Battery Recharging Performance

Work Performance – PCMark

We tested the Redmi Note 4’s performance using PCMark, which simulates work applications like web browing, playing video, writing text and editing photos.

The Xiaomi Redmi Note 4 (Helio X20 Model) PCMark results

Xiaomi Redmi Note 4 ASUS ZenFone 3 honor 5C OPPO F1s
Work Performance Score
5311 6405 5357 3884
Web Browsing 6038 8045 5643 3688
Video Playback 3873 3469 4487 3789
Writing 5862 7316 5944 4141
Photo Editing 5803 8246 5469 3933

It is important that the key advantage of the deca-core MediaTek helio X20 is not performance, but power efficiency. As the results show, it is about 17% slower than the octa-core Qualcomm Snapdragon 625 that powers the ASUS ZenFone 3, and roughly equivalent to the octa-core Kirin 650 in the honor 5C.


Battery Life – PCMark

We then tested the Redmi Note 4’s battery performance using PCMark. It basically ran the PCMark work tests until its battery capacity dropped to 20%.

The Xiaomi Redmi Note 4 (Helio X20 Model) battery life

The Redmi Note 4 (GearBest | Amazon | Lazada) has a large 4,100 mAh battery, but surprisingly, it only lasted just over 9 hours in this test. This is 2.5 hours less than the ASUS ZenFone 3, which only has a 3,000 mAh battery!

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Battery Recharging Performance

The Xiaomi Redmi Note 4 comes with a 10 W fast charger. Take a look at how fast it recharges the large 4,100 mAh battery.

The Xiaomi Redmi Note 4 (Helio X20 Model) battery recharging performance

It took the Redmi Note 4 (GearBest | Amazon | Lazada133.5 minutes (2 hours 13.5 minutes) to recharge its battery from 8% to 100%. This is a battery life : recharging ratio of about 4.5 : 1 – a decidedly lacklustre performance.

The recharging profile shows that the fastest charging up to the 85% charge level, before it tapered off to a slower recharging speed.

Next Page > Overall Performance, Gaming Performance, Our Verdict & Award


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