These benchmarks worry me, not because I have an nvidia card, but this shouldn't happen, its fishy 
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http://www.driverheaven.net/showthread. ... post423812
for people too lazy to read it all..
Test Setup:Connect 3D ATI Radeon X800 XTPE 256mb
Reference Nvidia Geforce 6800Ultra 256mb
Athlon64 FX-53
1gb Corsair PC3200LL
MSI K8T neo2- FIR
80gb Samsung 7200rpm 8mb Cache SATA Drive
Windows XP SP2
DX 9.0c
Nvidia Forceware 61.77
Catalyst 4.8 WHQL
Each test was run 3 times and the middle result shown in the graphs, Nvidia optimisations were on for the testing.
benchmark graphs of interest.
At maximum detail, the Radeon X800XTPE just streaks away from the Geforce 6800 Ultra and ends up 65% faster.
:\ good for ati peeps
Conclusion:Shocked is one word that comes to mind looking at these results. Where Nvidia has beaten ATI by a reasonable margin in Doom3 the results completely reverse and then some on the Source engine, a 30% performance difference ( 74fps to 52fps ) is, to be honest, a massive dissapointment if your a Geforce 6800 Ultra user. We had fully expected to have a very close contest when running the benchmarks however that has not proven to be the case, hopefully Nvidia have a new driver in the works that will bump up performance enough to make things competitive.
!!!)