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I decided to include Far Cry 2 as a point of reference of a modern DirectX 10.0 game to show performance. Note that the performance of three cards increased in virtually every benchmark throughout the spectrum with only QuakeWars a little strange in that performance did not increase from two to three cards.
Test System
- Intel Core i7 920 running at 2.66GHz
- 3GB Kingston HyperX DDR3-1333MHz running at 1333MHz
- ASRock X58 Supercomputer motherboard running latest drivers
- EVGA GeForce GTX280 running at 621MHz core/1134MHz memory/1350MHz Shader clock single, dual-SLI, and Tri-SLI running 182.06 Forceware
- Cooler Master TCP 1100W PSU
- LG 16X DVD-ROM
- Windows Vista 32-bit Business Edition with SP1 installed
Tests
- Far Cry 2 1280x1024, 1920x1200 32-bit max settings 4x AA 16x AF, Custom FRAPS walkthrough
- Crysis 1280x1024, 1920x1200 32-bit, max settings, 4x AA 16x AF, Custom FRAPS walkthrough
- Unreal Tournament 3 , 1280x1024 1920x1200 4x AA 16x AF, Custom FRAPS walkthrough
- Call of Duty 4 Modern Warfare 4x AA 16x AF, Custom FRAPS walkthrough
- Lost Planet 1280x1024, 1920x1200 4x AA 16x AF, Performance test
- Enemy Territory Quake Wars 1280x1024, 1920x1200 4x AA 16x AF, Custom FRAPS walkthrough
- STALKER Shadow of Chernobyl 1280x1024, 1920x1200 4x AA 16x AF, Custom FRAPS walkthrough
- 3DMark06 1280x1024, 1920x1200 no AA no AF default benchmark
- 3DMark Vantage 1280x1024, 1920x1200 no AA no AF, GPU score
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