techPowerUp - ( Freeware)
GPU-Z is a software that provides the user important information about the graphics card.
GPU-Z is a small but powerful application that offers essential information for all of the graphics card version GPU, BIOS, frequency, etc.
The simple and easy to use interface displays a window with information such as the ID, shaders, the type of memory bandwidth, the version of the driver or the frequency of the GPU.
GPU-Z application works with nVidia or ATI card types.
Fixed overclock getting reset on NVIDIA cards with Boost
Fixed crash on Pascal GPUs when no driver loaded
Fixed crashes on Apple Vega 12
Changed memory bus width capitalization from "Bit" to "bit"