sunK1D on 14 January 2014
Won't be common place but there are multi-plat games out now that already look better on X1 while running at the same specs on both X1 and PS4.
Look no further than:
http://www.eurogamer.net/articles/digitalfoundry-2014-lego-marvel-super-heroes-next-gen-face-off
Both versions run at 1080p and 30FPS but the X1 version has better anti-aliasing and less texture glitches compared to the PS4 version.
