Benchmarks: UT3 & Crysis
Despite consistent strong gains over the E6000 series, these new E8000 processors are unable to push the GeForce 8800 GTX any harder in Unreal Tournament 3 and Crysis. The E8400 is just 2% faster at 1680x1050 in UT3.
It is no surprise to have two nearly identical CPUs not gaining further frames per second. Games are typically more videocard limited when run at higher resolutions.