Sapphire AMD Radeon HD 7950 OC Graphics Card and CPU scaling Review
 

We investigate how the CPU influcences the performance of Sapphire's Radeon HD7950 OC graphics card by testing it with AMD A6-3650 APU and AMD FX-6100 CPU against the combination Intel's i7-3960X and AMD's Radeon HD7970. What we found was with our test suite AMD A6 and AMD FX offered better performance per dollar than Intel's flagship i7.

http://www.nitroware.net/reviews/224-sapphire-hd7950oc