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Performance Summary

PCIe And CrossFire Scaling: Does Nvidia's NF200 Fix P55?
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Disregarding the inconsistent 3DMark results, let’s see how each configuration compares in average gaming capability. We begin once again with the lowest test resolution.

The P55’s native PCIe controller is already in trouble from a triple-GPU perspective, averaging a mere 2.6 FPS higher than the same motherboard with two graphics processors. Amazingly, both NF200-enhanced P55 motherboards are nearly as good with CrossFireX as the purpose-designed X58.

Triple CrossFireX continues to look like a bad idea for standard P55 motherboards through the 1920x1200 resolution, but the NF200-enhanced versions still look like a safe bet compared to X58.

A shift from bandwidth limitations to GPU power limits begins to occur at 2560x1600, but the NF200 is still required to make LGA 1156-based platforms approach X58 performance in a CrossFireX configuration.

NF200-enhanced P55 platforms stay within 3% of X58 performance levels all the way up through our highest test settings.

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