According to Gametech, The Witcher 3: Wild Hunt is a very demanding title; a title that a single GTX 780Ti struggles to run when higher levels of AA are enabled. As the Russian gaming website noted, the PC version runs currently with all its bells and whistles enabled (plus 8xMSAA) with 35-45fps on a GTX 780Ti at 1080p. Naturally, a single 780Ti is able to hit the 60fps sweet spot in its current form provided MSAA is lowered.
Moreover, it is said that the PS4 version will run at 900p/30fps while the Xbox One version will run at 720p/30fps. What's also interesting is that the console versions of the game will meet the minimum graphics settings of the PC version. Gametech claimed that The Witcher 3 on consoles will look similar to The Witcher 2
http://www.gametech.ru/news/39979/ (its in russian)
I remember when they said they can go "nuts" with the new consoles and there will be no visual discrepancy between the consoles and PC, now if CDPR doesn't wanna go bankruptcy they wouldn't want to blatantly make do with the minimum settings on consoles. Especially PS4 version.