This is gaming console is for professional gamers.There are some major differences from ps4.these differences are, now it supports 4k gaming( you should have 4k monitor) .it has new chips which make more smoother to play.
now it also support playstation vr.it will help you to make your ps vr more smoother.
other feathers are same as ps4.But if you want 4k gaming and faster frame rate than consider this other wise you can pick up ps4 for less cheaper price.