Comanche 4 is a helicopter simulation using the DirectX 8.1 graphics interface. It is used to test the memory and 3D subsystems of a motherboard and video processor. Any weaknesses will show up through this intensive benchmark.
As you can see, even at the lower resolution the FX 5500 doesn't handle Comanche 4 well when compared to the 9550 and FX 5700LE.
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