CPU vs GPU PhysX
As you’d expect, running PhysX on the CPU severely hampers performance:
Mirror’s Edge – Direct3D
Notes
In our testing, Mirror’s Edge performance dropped by a factor of roughly 2.5X when PhysX is run on the CPU versus the GPU. As you can imagine, this results in performance that’s completely unplayable, even on a Core i7-965 CPU.
Are the Radeon 4800 cards faster than GeForce?
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