Triple-GPU Scaling: AMD CrossFire Vs. Nvidia SLI

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Two GPUs are great, but are three that much better? When it comes to multi-card scaling, can AMD finally beat Nvidia? Who really needs this much performance? We loaded a super-fast system in single-, dual-, and triple-GPU configurations to find out.

Benchmark Results: Crysis

Though we use it primarily as a system-wide test, Crysis continues to show good performance scaling for different levels of single-GPU performance. SLI and CrossFire were fixed long ago, but what about three-way?

A third card appears to be about as appealing as an auxiliary nipple at 1680x1050, but higher resolutions prove the viability of both company's three-way solutions. AMD’s second card scales a little better than Nvidia’s, while Nvidia takes the scaling lead when a trio of boards run side-by-side.

Thomas Soderstrom
Thomas Soderstrom
Thomas Soderstrom is a Senior Staff Editor at Tom's Hardware US. He tests and reviews cases, cooling, memory and motherboards.