GPU-Z Utility for NVIDIA and ATI Graphics Cards

GPU-Z Utility for NVIDIA and ATI Graphics Cards
GPU-Z is a lightweight utility specially designed to provide technical information about NVIDIA, ATI and Intel graphics cards and their GPUs. GPU-Z will displays the specifications of the GPU and its memory, and displays temperature, core frequency, memory frequency, GPU load and fan speeds. It will show overclock, default clocks and 3D clocks information (if available).

Using GPU-Z you are able to see the die size, release date and number of transistors of your graphics card. GPU-Z includes a GPU load test to verify PCI-Express lane configuration. GPU-Z gives you option to create a backup of your graphics card BIOS so you can update your graphics card BIOS update safely. GPU-Z supports for Windows XP, Vista, Windows 7, Windows 8 (both 32 and 64 bit versions are supported).

Download free GPU-Z fro Windows.
GPU-Z file size 1.6MB.
GPU-Z Website