So the title really says it all. My FPS is consistently over 60 when Physx is set to low, but when it's set to anything higher, FPS drops to 20 - 30 when there are enemies on the screen. I have an AMD card, and I know that for AMD cards the Physx workload is diverted to the CPU. I was wondering if my CPU is the problem. FX-6300, I was under the impression that it was powerful enough to be able to run Physx decently. Is this just a hardware problem or something else? I can play with Physx, but it'll be nice to have it enabled.