Battery Life

The OnePlus 6 contains a 3300mAh / 12.7Wh battery. In general there’s nothing pointing out to expect bad battery life out of the OnePlus 6 as both the SoC and screen should be quite efficient. The most comparable phone would the Galaxy S9+ in the results, as both have the same SoC and both employ AMOLED screens of similar sizes, with the OP6 having a 6% smaller battery capacity.

Web Browsing Battery Life 2016 (WiFi)

In the web browsing test the OP6 ends up pretty much exactly where we projected it, at slightly above 10 hours of runtime the phone lands on the better side of battery life results for this generation. Only Huawei’s phones with larger batteries and phones with more efficient screens end up higher. Overall a very respectable result for the OnePlus 6.

PCMark Work 2.0 - Battery Life

In the PCMark test, the OnePlus 6 ends up below the S9+ - here the OnePlus 6 essentially achieving the highest scores of any Android device bar the MIX 2S also have to be accounted in the result. It’s interesting to see the OP6 beating the MIX 2S in the web browsing test yet losing to it in PCMark – the discrepancy could come due to different dynamic brightness behaviours between the phones and we can’t maintain a steady backlight level throughout the totality of the scenarios, something that’s of particular concern in the LG G7 which we’ll be reviewing in the very near future.

Overall battery life of the OnePlus 6 is excellent – of course there’s devices beating it, and most of the time this can be attributed to their higher battery capacities. Active heavy usage of the phone will naturally result in more battery drainage, but that’s also because the device is able to sustain also very high performance in a variety of use-cases.

Display Measurement Camera - Daylight Evaluation
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  • GoMoeJoe - Wednesday, August 1, 2018 - link

    It's a beastly device, with excellent software support - at a ridiculously reasonable price.
    I own one !
  • s.yu - Thursday, August 9, 2018 - link

    What I learned from this review is that even for smartphones, lens variation poses a significant impact.
  • govtjobs2019 - Sunday, August 12, 2018 - link

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  • bmvmadeira - Monday, August 20, 2018 - link

    After being blatantly lied by OnePlus regarding software support on the OnePlus 2 I will never consider one of their phones again.
    Rationally they are not that cheap nowadays and the increase of Android One offers make their offers less desirable.
  • PocoLoco - Monday, September 3, 2018 - link

    I'm unable to find the article where the reviewer (Andrei most probably) came to the conclusion that 1440p display panels consume same amount of battery as 1080p one's and that they don't require a lot more cpu/gpu power. Can someone please help?
  • PocoLoco - Monday, September 3, 2018 - link

    Someone please link me to the article... Thanks.
  • Archipelago - Sunday, January 6, 2019 - link

    Andrei, I always look forward to your reviews, especially cellphone camera reviews. I will download the images and compare them on my 1440p monitor. Except in extreme cases, I really can't discern the differences using those images. I just rely on your evaluations. Based on your glowing review, I bought a OnePlus 6. I kept it for about six weeks before listing it on eBay. I found the camera performance to be totally unacceptable. Reddit has threads full of similar complaints about the OP 6 camera. I just don't quite see how it could be thought of as "one of the best".
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