I will be using a 4670K with 8gigs of ram. If you need anymore info please just ask.
More aboutmsi 660ti 7950
hd 7950 would be better + oc better
If you want to over clock get 7950. If not then get 660ti. At stock clocks they perform similar but the 660ti is cheaper. Now if the 7950 comes with free games that you want it would make it the better purchase