GPU-Z is a lightweight video card utility designed to give you all information about your video card and GPU.Features for GPU-Z: Supports NVIDIA, ATI and Intel graphics devices Displays adapter, GPU and display information Displays overclock, default clocks and 3D clocks (if available) Includes a GPU load test to verify PCI-Express lane configuration Validation of results GPU-Z can create a backup of your graphics card BIOS No installation required, optional installer is available