The next game engine to come onto the horizon was the Doom 3 engine, which will put cards through an ordeal with its complex lighting. We use the Doom 3 default time demo, "demo1," for each of our tests. First, the graphics card driver is set to "application controlled." Then we disable FSAA and the high-quality setting in the game for the first run. When set at high quality, anisotropic filtering is automatically enabled and set to eight-sample mode. For the second run, we turn FSAA to 4X to really tax the GPU.
Again we see the odd scenario where the single cards outperform the SLI setups. It appears to be the driver, but we need to have more communication with NVIDIA's technical departments. It will take more time testing to resolve the nature of this development.
Once again, with more requirements the scores line up as we would expect. In all five tests, it is the 7800 GTX 512 taking the lead.
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