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Futuremark 3DMark05
The efficiency of the Radeon X1900 XT CrossFire relative to the Radeon X1900 XTX is much lower than that of the Radeon X1800 XT CrossFire. Perhaps 3DMark05 depends but too heavily on the CPU performance or the CrossFire systems are limited in speed by their low efficiency at processing numerous complex textures. Let’s see.
The CPU obviously sets a limit to speed in the 4x FSAA mode – the ceiling goes at about 40-41fps. In higher resolutions and in the Super AA/SLI AA modes the CPU-imposed limitations slacken a little, allowing the Radeon X1900 XT CrossFire to show its best and outperform the Radeon X1800 CrossFire by 20-30%.
