In Win XP vs Vista vs Win 7 match, Win 7 tops

[Please click for a larger image]

A recent study conducted shows Windows 7 trumping even Windows XP on most benchmarks. The computer used was fairly low end:
Intel dual-core E5200 CPU,
2GB of RAM
ATI Radeon HD4550 graphics card
(This is the kind of PC selling for $400 at Dell).

More at:this link.