5770 Vaporx vs Sapphire 6790 ??

[comp@ddict]

Will Core2Duo E7200 @ 3.2 GHZ bottleneck HD 6850 card ?

At lower resolutions yes, and it also depends a lot on the game. But for maximum games you'll be good.

Have a look at this site to find out more:

BenchmarK3D - Game Benchmarks and Analysis