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.
* Added framework for translations in GPU-Z, to do that we need your help. Please go to tpu.me/forums/forumdisplay.php?f=72 to submit contributions in your language
* Added sensors to monitor GPU load percentages on NVIDIA
* Fixed startup on Windows 2000 (DLL not found)
* Improved detection/added sensors for ATI M86
* Fixed several NVAPI crashes
* Fixed crash when PhysX not available
* GPU-Z can now be set in its system menu to be always on top of other windows