The problem with 1080p and higher on mobile devices like that is that the chips available for these devices physically cannot give a good experience at that res

The problem with 1080p and higher on mobile devices like that is that the chips available for these devices physically cannot give a good experience at that resolution. The main limitation is memory bandwidth. It works great at 720p. Anything higher and it starts to break down. Citation: I own a steam deck and an ROG Ally. The Ally has the best controller on the market but it's hamstrung by the screen simply having too many pixels. Well, that and Windows.