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Apple iPhone X display: how big is it, really?

The Apple iPhone X has a 5.8 screen… except it doesnt. You can see on the official site that the 5.8 measurement is for a rectangular screen while the X has rounded corners. But thats a minor quibble, the bigger issue is that theres a cutout at the top of the screen, which limits the usable area.

The aspect ratio of the new Super Retina Display is 19.5:9, wider than even Samsungs 18.5:9 (LG and Xiaomi use 18:9). But again, the cutout means you get a small screen that you can practically use.

Apple iPhone X screen: how big is it, really?

In fact, ignoring the top portion leaves a screen thats just about 18.5:9 in aspect ratio. If you were to just use 16:9 the traditional widescreen format that basically all TV shows and YouTube videos use youre left with what is effectively a 4.96 screen.

This gives you slightly more area than the iPhone 8 about 10% more surface area for video. But you do get extra area vertically for apps, website and instant messaging (especially since the keyboard eats up vertical space).

Now lets imagine that the iPhone X has an 18.5:9 screen and a secondary screen above that (the horns around the cutout). Then the diagonal is equivalent to that of a 5.56 screen.

That is smaller than the 5.8 Galaxy S8, a phone that is taller but slightly narrower. This is due to the curved sides, which cancel out some of the bezel when it comes to the width of the phone.

Lets compare with the iPhone 8 and iPhone 8 Plus now. They have perfectly straight screens no curves of any kind.

You get nearly 30% more surface area than the small 8 (and a taller and slightly wider display). Against the bigger 8 Plus, you lose about 5% surface area (and the display is both shorter and narrower).

In short, the iPhone X offers a screen thats about as big as that of the 8 Plus, though content will have to fit on a narrower screen – 61.8mm vs. 68.5mm. Youre in for some extra word wrapping.