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 AMD Radeon HD 7970, HD 7350
* Fixed "APIC counter broken" message on AMD Fusion Graphics
* Fixed PCIe 3.0 showing up as 2.0
* Fixed fillrate calculation on Fermi architecture
* Fixed ROP count on GT 420, GT 520, HD 5450, HD 6450
* Fixed random values showing as default clocks on some NVIDIA cards
* Fixed random value showing as shader clock on NVIDIA cards without shader clock
* Added / corrected release dates for HD 3650, FirePro V4800 and V3800
* Added process size, die size, transistor count for Radeon E6760
* Added transistor count for FirePro V4900
* Improved detection for HD 5570, HD 6450A, HD 6470M