The Model S and Model X feature a 17-inch horizontal touchscreen display with a 16:9.5 aspect ... the screen size. The rear display has a resolution of 1440×900 with a 16:10 aspect ratio ...

My last several phones have been 16:9 aspect ratio. Why the change to 18:9 ... I was assuming that the idea is to increase the "marketable" screen size in inches, while not making phones too ...

They range from several 23in 1,920 x 1,080 models to a 27in screen of the same resolution ... TV manufacturing which also sports a 16:9 aspect ratio. As you can see from the above resolutions ...

An aspect ratio is the ratio of a display ... If you’re used to using a 16:9 screen and you try a 16:10 or 3:2 display of the same size, you probably won’t want to go back.