Originally Posted by W1zzard
go overclock your 920 and it'll be faster than the stock 2500k in many benches (happens here)
my 920 does 2x pcie x16 for this review, yours can't
Oops, sorry, forgot to respond..
No, I was referring to my i7-920 @ 4.0Ghz versus my i5-2500k @ 4.8Ghz.
That's what gave me the 15% difference.
Also, I can't claim anything about the HD 7970, but PCIe 2.0 x16 has no noticeable performance difference compared to PCIe 2.0 x8 with my GTX 480s.