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)
Download : GPU-Z