Question: what is the difference between xs max and pro max?
Answer: The iPhone 11 Pro is slightly brighter. The iPhone 11 Pro has 800 nits of brightness, while the iPhone XS Max tops out at 625 nits. There are also differences in the display itself: The iPhone 11 Pro Max has a "Super Retina XDR" display, while the iPhone XS Max has a "Super Retina HD" display.