So far a statistical tie, WinXP x32 to follow.

Win7 x64 vs Vista x32 vs WinXP Pro x32

CPU i7-875K Freq 3619MHz

GPU GTX260 Core 216 Stock

nVidia Control Panel stock settings

All tests at 1280x1024 or as dictated by the bench app

All tests DX9 or as dictated by the bench app

PCMark05 not performed, HDD vs SSD not really a fair test


Benchmark Vista X32 Win7 x64 WinXP Pro x32 And the winner is
_______________________________________________________

Heaven 2.1 1133 1151 Win7 x64

3dmVantage P11471 P11464 Vista x32

3dm06 17322 17287 Vista x32

3dm05 26006 26133 Win7 x64

3dm03 48728 49121 Win7 x64

3dm01 48005 50061 Win7 x64

AquaMark3 162469 165406 Win7 x64

Hexus_PiFast 24.34 24.69 Vista x32

SuperPi 1M 11.593 11.890 Vista x32

wPrime 33.402 34.689 Vista x32