We have a bunch of graphics from both PS4 and 3DS versions of the game.
Dragon Quest XI, developed by Square Enix, is set to release in Japan in 2017. As for now, there’s no info about a specific date or release in Europe/North America. What we know is that there will be major differences between PS4 and 3DS versions with the former utilizing high definition graphics of Unreal Engine 4.
Here’s a set of PlayStation 4 screenshots and you can check 3DS ones in All Games Delta gallery: