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Call of Duty: Modern Warfare 2 has long been seen as CPU-bound in desktop systems, but notebook graphics are so weak that they become the tighter bottleneck, as indicated by the big difference between GeForce GTX 480M single-GPU and SLI performance.
Slightly better performance for the i7-980X on the desktop platform allows it to edge ahead of the notebook. The M17x might have been somewhat limited in this title by its slower CPU, but we don’t have a similar platform with faster CPU to confirm that possibility.
Crysis shows an odd result where the GTX 480M is roughly equal to a CrossFire'd pair of Mobility Radeon HD 5870 graphics cards, and the X7200’s SLI configuration rules the notebook market.
Performance scaling looks completely different when we add anti-aliasing and a higher detail level in Crysis. The M17x’s CrossFire configuration looks powerful, but the X7200’s SLI pair takes the notebook crown.