InsideHW.com has reviewed and compared NVIDIA PhysX performances on several NVIDIA graphics cards
>> NVIDIA PhysX Performances
We decided to give you an insight on performance rates from GeForce GTS 250 (GeForce 9800GTX+) with price tag slightly above 100€ up to two GTX 200 GPUs that have slightly higher price tags than that. Support for these was powerful rig based on Core i7 920 CPU that we overclocked from default 2.66GHz up to 3.4GHz just to be sure no bottlenecks would appear…
>> NVIDIA PhysX Performances