This is a fascinating Reddit post that looks at screen sizes. Take the op-ed parts with a grain of salt, but if you are considering the iPhone XR, this is worth your time. One excellent point:
The XR will show exactly the same amount of actual content as the XS Max, just slightly smaller and less sharp. If both phones were opened to a site in Safari, they’d show exactly the same chunk of webpage. I think that’s pretty nice, PPI be damned. This is the most compact Plus phone ever made. I’m on board.
I will say, I do find it amazing that $749 represents the new price of a budget phone. Wow.
I do wish Apple would consider updating the iPhone SE for folks with smaller hands, and smaller budgets. Same with a smaller Apple Watch for people with smaller wrists. It does feel like some part of the Apple loving crowd is being left behind.