Earlier quoted context omitted.
Apple have always been the first to push higher resolution devices for as long as I've been alive. Laptops in the early 2010's were stuck on 1336x768 until Apple kicked up a fuss about having "retina", same with phones which had comically low resolutions until Apple made a fuss about it with the iPhone 4. Sadly my eyes aren't as good as they used to be so I can't make a lot of use of the extra real-estate, but it alw…
The ThinkPad R50p had a QXGA screen (2048x1536) option back in 2003. Granted Windows had zilch support for it which is probably why it died. Even the base model was a 1600x1200 screen. And there was plenty of phones with 200+ ppi before the iPhone 4. I think it has more to do with higher PPI screens getting cheaper and Apple could just get more supply first...
Check the t- or x- series which are many many orders of magnitude wider deployed.