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 crash on systems without NVAPI (Win 2K, old NV drivers)
* Optimized RV770 BIOS reading code for speed (faster application startup)
* Improved voltage reading code for recent ATI cards
* Added support for fan speed monitoring on ForceWare 180.xx and up
* Added voltage monitoring for NVIDIA (GT200)
* Changed reading method for RV770 sensors, fixes race conditions with other software and on-board fan control
* NVIDIA 9800 GTX+ listed as 55nm now
* Added support for Intel Q43/Q45
* Added support for NVIDIA Quadro FX 4700 X2, GTX 295, GTX 285
* Added preliminary support for NVIDIA GT212, GT214, GT215, GT216, GT218