a i3 with a 7850 will max anything at 720p or 1600p
it all depends on your resolution!
what resolution to u want to play at?
and when u say max, do u mean 8x AA too?
its a very subjective thing!!
but if r talking about 1080p with 2x or 4x AA it will max games with good fps, but if want to go above 1080p i dont know!!
Fairly consistent 45FPS at Ultra settings 1080p in Crysis 2, DX11 patch and High-Res textures. Occasional dips to 30FPS when something big happens.
Far Cry 3 is a fairly solid 50FPS at Optimal settings 2x AA, only really drops lower because the V-sync is a bit buggy.
Metro 2033, playable frames with high up settings, don't remember the specifics. Though there was one level with heaps of fog effects that reduced the FPS to ~20.
Batman Arkham City, high settings (dont remember specifics) will get you a 50-60FPS indoors. But when flying around outside it takes a hit to 30FPS, but its not noticeable.
Lesser games like Assassins Creed 3, Dishonored, vanilla Skyrim, Portal 2 you can get maximum settings and a solid 60FPS.