rolltide101x said:
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Well, MS made a statement about the console outputting at 4K, Sony did as well, but they won't let games output at this resolution yet.
However in the PS4's case, we have some developer commenting on that the performance was like for Trine 2 game on the devkit:
"It runs at native 1080p at 60 frames per second - but that's just the beginning of the story. Frozenbyte's impressive Trine 2 has migrated to PlayStation 4 in fine form - not only does it combine the optimal mix of resolution and frame-rate, but it's the only game to support stereoscopic 3D, running internally at an effective 1080p120 in the process. Indeed, according to the developer, Trine 2 could even hit 4K at 30fps should Sony ever unlock the output of the PS4 to support ultra-HD resolution."
SOURCE: http://www.eurogamer.net/articles/digitalfoundry-vs-trine-2-on-ps4
This is not a very demanding game, but it tells us that in some cases people may decide they want this options (I prefer 1080p60fps... smooth is better and so far most games cannot hold their 60fps, many don't even hold their 30)
