Battery Life

In terms of battery life, we should be expecting the Pixel 3 to do better than the Pixel 2, as we have an 8% larger battery coming at 2915mAh compared to last year’s 2700mAh unit. On the other hand, we also have to consider the Pixel 3 has a larger screen that needs to be powered, and the SoC efficiency can go either way. For our battery tests, we set the device brightness to 200 nits using our colorimeter tools.

Web Browsing Battery Life 2016 (WiFi)

Unfortunately, the Pixel 3 sees a regression in terms of battery life, ending up 18% or 1.5 hours behind the Pixel 2 in the web browsing battery test. I did some quick power characterisation, and the Pixel 3 uses about 90mW more power when idling at minimum brightness in airplane mode. Stretched over a 9-10 hour period, this is about 8% of the total battery capacity. On top of this, the phone has to power a bigger screen, and we have a much more performant SoC. Overall the Pixel 3’s battery life doesn’t end up as particularly surprising.

PCMark Work 2.0 - Battery Life

In PCMark, the Pixel 3 sees better performance, as the SoC is able to counter-act the phone general less efficiency. Here the Pixel 3 lands just slightly ahead of the Pixel 2, landing in the middle of the pack in terms of battery life.
Display Measurement Camera - Daylight Evaluation - Superzoom and Scenic
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  • s.yu - Sunday, November 11, 2018 - link

    Oh, I don't know what happened to the site but I'm experiencing frequent problems trying to view samples in full size, I see the correct URL when I hover my cursor over the sample but when I shift-click it(any other sample) only the first sample of the group is opened.
  • s.yu - Sunday, November 11, 2018 - link

    Correction...it just gets stuck at the first sample of the group that I clicked, if I click say the XS sample then I only get the XS sample, click on another sample and I wouldn't be able to open the full sized version of that in a new tab, the new tab would load the XS sample instead.
  • Impulses - Friday, November 2, 2018 - link

    As long as you aren't photographing anything moving... The shutter speeds used will lead to more blurring.
  • Badelhas - Sunday, November 4, 2018 - link

    Andrei, didn't Google say that the "Night Shot" feature will eventually come to the Pixel 2? If so, the main advantage is gone, we can just buy a Pixel 2, which is much cheaper...
    Cheers
  • s.yu - Sunday, November 11, 2018 - link

    There's only one minor issue I'd like to bring up, I don't think Pixel3 clipped more highlight in night mode than Mate20P, all the blue areas are in fact not clipped, only, well, in highlight territory. Only pure white is clipped and from my preliminary examination of the sample with the spotlights illuminating the tree in the center, I'd say Pixel clipped a little less highlight.
    So I then downloaded the samples to view them in lightroom(the issue I mentioned seems to have been limited to page 7, I'm not having problems on page 8). When checking for clipping with the inbuilt tool I noticed that the Mate20P shot had unnatural readings, the tool only labeled two jagged streaks across the surface of the nearest spotlight, while a proper clipping of something like that should at least look remotely round, so I determined that to be software artifacts and added a slight 5 to the global highlight slider, which would just label whatever looked like pure white on that spotlight as clipped.
    On the pixel sample I did the same thing only slightly less, adding 2 to the slider already made pixel's clipping area look properly round(and the same size as Mate20P's). Then I went back to examine the clipping on the tree branches, it was too close to call. So I believe that Pixel and Mate20P retain the same amount (within 1/6 of a stop difference) of highlight DR, only Huawei's algorithm favors aggressively suppressing whatever it has available which Pixel does not.
    Adding that to the far superior detail retention I say Pixel's clearly the new night king.
  • chief-worminger - Friday, November 2, 2018 - link

    Hello Andrei,

    Thank you for the thorough review. I wonder when you say in the battery life section that "SoC efficiency can go either way", do you mean that some 845 chips might be more efficient than some 835 chips, and vice versa? If not can you please clarify?
  • Andrei Frumusanu - Friday, November 2, 2018 - link

    In synthetic tests, the S845 was about equally efficient in terms of energy usage as the S835 - so only minor factors such as software scheduling might push the efficiency in one direction or the other.
  • saleri6251 - Friday, November 2, 2018 - link

    Hello Andrei, I remember a few months ago on twitter you mentioned that a lot of people thought the S845 was going to have massive improvements on battery life, but the logic was very flawed. What was the flaw in the logic?

    Also any hopes for next year when everyone will be on the 7nm chips?
  • eurico - Friday, November 2, 2018 - link

    I'd love to see some Sony phones used in comparisons, I understand that Sony's been lagging a bit behind lately, but still they do have some decent references in battery life and camera performance.
  • Samus - Friday, November 2, 2018 - link

    Sony has one of the, if not the best, camera UI. But the phones and sensors leave a lot to be desired.

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