![]() ![]() The Xperia XZ2 Premium's battery is rated at 3,540mAh - some 360mAh more than the XZ2's capacity, and 310mAh more than the XZ Premium. We feel it's not the end user's job to do it. Perhaps, if you have a colorimeter at hand and you're willing to put in the time, you could further optimize the color output. We got spot-on whites with a 230-187-3 setting, which also gave us a better average DeltaE of 3.1. You could tweak the RGB sliders and at the expense of peak brightness get more accurate colors. No mode truthfully represents AdobeRGB or the P3 color spaces either. Vivid mode was predictably all over the place. In fact, it's only marginally better than what we got in the Standard mode, again compared against an sRGB target (average DeltaE of 4.6). The Xperia XZ2 Premium's display settings promise an accurate sRGB reproduction in the Professional mode, but we measured an average DeltaE of 4.1 - decent, but not all that accurate. It matches the previous Premium in contrast under direct light, but that's a pretty low bar, with virtually all competitors being at least a little better, and the likes of the Galaxy S9+ and iPhone X significantly so. Sunlight legibility on the XZ2 Premium isn't great. Reasonably well controlled blacks result in a contrast ratio upwards of 1400:1 - decent as LCDs go, but the LG G7 and the HTC U12+ are in the 1800s. There's no boost in Adaptive brightness mode. The current-gen XZ2 is a full 100nits brighter at 618nits. We measured a maximum brightness of 518nits on the Xperia XZ2 Premium, some 50nits lower than the XZ Premium before it. The pixel density works out to just 765ppi this year, previous 4K Xperia Premiums were north of 800ppi. It's in a classic 16:9 ratio too, no 18-point-something-to-9 nonsense here. Unlike the first and second generation phones, both 5.5 inches or thereabout in diagonal, the XZ2 Premium is now larger at 5.8 inches. Sony remains the only maker to offer a 4K display on a smartphone three years after they went all out with the Z5 Premium. ![]() The only 4K display in the business has grown to 5.8 inches ![]()
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