How big will the graphics jump from PS360 to PS4/720 be?

[NJ5]

dark_gh0st_b0y said:

i think the possibilities are a bit limited, i mean how big can the jump be,  graphics are almost real!!

Look at some ray-tracing examples:

http://hof.povray.org/

Many of the pictures in there don't look real, but they're already far beyond what current games can show.