7950?

Im finding no info on the 7950s a few test here and there but theres multiple ones like the vapor x and xfx double black edition how do i choose or do i go with 660ti i need to find the right gpu i need more help

Someone on this site (sorry bad memory) refered me to this sight

http://www.anandtech.com/bench/Product/550?vs=647

Hope it helps