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Page 2 of 8 Performance: For the performance tests we will be performing our standard DirectX9 tests of 3DMark06, Prey and Quake 4. We will also be testing DirectX10 performance with the Lost Plant Demo and Crysis, both of which will of course be performed under Windows Vista (Ultimate), while the DirectX9 tests will be performed under Windows XP. The Test Setup: Intel Core 2 Duo E6600 (2.4GHz) CPU, running @ 2.93GHz ASUS P5N32-E SLI, nForce680i Motherboard Corsair TWIN2X 2GB PC2-8500 Memory Kit (2 x 1GB) Seagate Barracuda 7200.10 250GB SATA-II Hard Drive Enermax Liberty 620W Power Supply Windows XP Pro SP2 for DirectX 9 Tests Windows Vista Premium for DirectX 10 Tests
We’ve never run our tests with an overclocked CPU before, however with our first test, which was 3DMark06, we found there was next to no difference between a single card and when they were run in SLI mode. Initially we thought SLI wasn’t operating, even though the nVidia control panel reported it as running, and everything else behaved as though it was operating normally, we eventually realised that the CPU really didn’t have the power to properly test a pair of 8800GT’s in SLI mode and had only enough processing power to push one card to the limit, but with two there was almost no difference. As we didn’t have access to be a better CPU at the time, we decided a simple overclock of the current CPU was the best option and gave us the difference (i.e. improvement) we were looking for to best demonstrate the power of these 8800GT’s.
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