We’re gonna need Pythagoras’ help to compare screen sizes in 2017

Android Central‘s Alex Dobie made this point to me in the buildup to Samsung’s Galaxy S8 launch yesterday: a 5.8-inch phone with the S8’s elongated 18.5:9 aspect ratio doesn’t have the same size screen as a 5.8-inch phone with the traditional 16:9. The two might share the same diagonal measurement, but in terms of area, the S8’s screen would be smaller. That’s because the change in aspect ratio breaks the linear scale by which we’ve compared almost all smartphones to date.
Read more: http://www.theverge.com/tldr/2017/3/30/15120824/screen-aspect-ratio-mathematics-galaxy-s8-lg-g6?source=Snapzu