Is AMD Athlon x3 455 @ 3.3Ghz better than Core 2 Duo e7400 @ 2.8 Ghz for Dolphin?

[PaRaDoX_94]

and the i3 would be faster in other aplications? or is there a very huge difference on phenom 1090t and i7 2600k (the i3 and i7 are almost at the same price here)