Hirai says Sony is on track for a comeback

[VGhippy]

I don't think the PS4 will have many games that can natively output in 4K. 4K resolution takes roughly 4 times the graphical power to output as 1080 and rought 8 times as much as 720.

A game running at 40fps at 1080 would only run at about 10fps at 4k.