GPU-Z is a lightweight utility designed to give you all information about your video card and GPU.

Features:

• Support NVIDIA and ATI cards
• Displays adapter, GPU and display information
• Displays overclock, default clocks and 3D clocks (if available)
• Validation of results
• No installation required
• Support for Windows 2000/ XP / Vista (both 32 and 64 bit versions are supported)