1.   Platform, Price, and Supplier/Creator

o        Windows

o        Freeware

o        NVIDIA:


2.   Application

o        PerfKit is a suite of performance tools to help debug and profile OpenGL and Direct3D applications

o        It gives user access to low-level performance counters inside the driver and hardware counters inside the GPU itself. The counters can be used to determine exactly how user’s application is using the GPU, identify performance issues


3.   Web Resources

o        Official Website:

o        User Guide: 

o        Documentation: