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The Dirt 2 performance at 2560x1600 was very impressive as the Radeon HD 6990 averaged 93fps making it 29% faster than the HD 5970. When compared to the flagship single GPU graphics cards it was 24% faster than the GeForce GTX 580 and 60% faster than the Radeon HD 6970. However when compared to the Radeon HD 6970 Corssfire graphics cards the HD 6990 was 11% slower.
The F1 2010 performance at 2560x1600 saw the Radeon HD 6990 deliver 33% more performance than the HD 5970 while it was 5% slower than the HD 6970 Crossfire configuration. When compared to the GeForce GTX 580 the Radeon HD 6990 was 43% faster and 51% faster than the HD 6970.
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