Batman Arkham Origins Benchmark. PhysX: CPU vs GPU - YouTube
NVIDIA Sheds Light On Lack Of PhysX CPU Optimizations | HotHardware
2017: Nvidia PhysX on CPU or GPU? 1080 vs 1800x - YouTube
BTW, if you are suffering aa lot of crashes this willl probably fix most of them, take a look to PhysX config in you nVidia panel and select your GPU instead of
PhysX settings - cpu or gpu ? : r/LinusTechTips
NVIDIA Control Panel, PHYSX GPU or CPU? : r/BattlefieldV