I'd say go look at it. This
Tweet is by a YouTuber who is very critical about phone displays: "Yeah,
#iPhoneXR pixel density is a non-issue. If you had and enjoyed the iPhone 8 it’s the same ppi. And side by side with my XS I have to hold it close to my face to tell. I can definitely tell but no one will care. Gorgeous, vibrant display. So much bezel though. Boxed in."
This comment seems to be consistent among all reviews I've seen, that the resolution is a non-issue -- that it is a very good looking display.