AMD CrossFire Vs. Nvidia SLI Scaling Analysis

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We’ve seen impressive performance from Nvidia's GeForce GTX 460 when it's matched up with a second card in SLI mode. But how does the entire high-end GeForce GTX 400 line compare to Radeon HD 5000-series cards? We test them all in several popular games.

Benchmark Results: DiRT 2

DiRT 2 is another game that demonstrates performance along the same curve as price.

At 2560x1600, the Radeon cards in CrossFire display the same kind of minimum frame rate deficit we saw in the Aliens vs Predator benchmark. Once again, we notice that the low frame rates occur at the start of the benchmark as things are loading. Soon after, the Radeons perform quite smoothly, as demonstrated by the solid FPS averages.

Don Woligroski
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Don Woligroski was a former senior hardware editor for Tom's Hardware. He has covered a wide range of PC hardware topics, including CPUs, GPUs, system building, and emerging technologies.