Then again, HDR has kind of a broad definition to begin with. So, it's not exactly certifiable HDR grade quality. However, on both the iPhone 8 Plus and its little siblings specs pages, Apple clearly states: "Supports Dolby Vision and HDR10 content" under video playback.Īpple makes that claim since even without full HDR capabilities, the panels in the iPhone 8 and iPhone 8 Plus do manage to render some of the extended visual features of HDR content. In contrast, the iPhone X does have official certification. That is to say, they do not cover some of the various color and contrast requirements to be certified for HDR10, Dolby Vision and the like. From a purely technical standpoint neither the iPhone 8 or the iPhone 8 Plus have HDR displays. All measured colors except white are well below deltaE of 4, which means the screen has a close to perfect calibration.ĭisabling the True Tone adjustment brought the average deltaE up to 2.0, while the white deviation remained the same.Īs you can see - True Tone or not - the iPhone 8 Plus display is pretty well calibrated and has a flagship-grade color representation.Īs far as HDR content playback goes, things are a bit complicated. The screen has an average deltaE of 1.3, while the maximum deviation is at the white hue - 4.3. We did our measurements on the iPhone 8 Plus screen with True Tone turned on, and we got very accurate hues when it comes to color representation. But if you don't have a device for comparison, you won't know what's different. It's not a big difference, but arguably it's better for both perception and ease on the eyes. The color correction coming from the True Tone adjustment is noticeable when you compare a True Tone-enabled iPhone with a non-True Tone one. That's completely different from the blue-light filter called Night Shift, which reduces the blue colors in the evening hours to help you get a better night's sleep. Once turned on, the True Tone algorithm will correct the screen's white balance according to the ambient light and thus make the picture look its best regardless of the ambient light. True Tone is a new addition - it's a white balance adjustment possible via the newly added four-channel ambient light sensor. It's a LED-backlit IPS LCD screen with RGB matrix, it supports 3D Touch, and has wide color gamut support like last year's. The display on the iPhone 8 Plus is a 5.5" unit with a 1080p resolution (that's 401ppi).
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