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The Geforce 6800 GT and 7950 GT only run with DirectX 9 effects. In this mode, the environment is not reflected in the water, but the waves are simulated cleanly by the pixel shader. In DirectX 10 mode, the landscape is reflected in the surface of the water. With the Forceware Version 174.74 graphics driver, the pixel shader still does not produce waves.
The flight simulator reacts very heavily to the clocking rate of the CPU, the Q6600 with 2.4 GHz being slower than the E6750 at 2.67 GHz. Only when the Q6600 is overclocked to 3200 MHz does it take the top spot with the new G92 graphics chip. The Geforce 6800 GT barely reacts at all, and the Geforce 7950 GT reacts slightly to the better processor speed. The Geforce 9600 GT and its 1024 MB graphics memory achieve the best results, but only in conjunction with the E6750, Q6600 or X6800EE and at the 1920x1200 pixel resolution with antialiasing. If a weaker version of the E2160 is installed, the Geforce 9800 GTX with 512 MB graphics memory wins the race.