Hardware Secrets is explaining how to use Quake 4 to measure the performance of a PC.
"One of the best ways to benchmark the performance of your PC is running a heavy 3D game, since it will pull the maximum performance your video card, CPU, memories and hard disk drive can deliver. Quake 4 fits nicely in this role for PCs found on the market today. In this short tutorial we will teach you how to use Quake 4 to measure the performance of a PC."
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Testing the 3D Performance of Your PC With Quake 4
