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 support for NVIDIA GeForce GTX 580 and future GF104 variants
* Updated TMU/Texture rate calculation method. Please report any errors in the forums
* Fixed memory clock monitoring on HD 6850, HD 6870
* Fixed label corruption on cards without any shaders
* Fixed rare CrossFire detection bug on ancient ATI drivers
* Added voltage monitoring fallback for ATI cards with unsupported voltage controller
* Updated PCI vendor ID for PowerColor
* Removed MSI giveaway