GPU-Z is a lightweight utility designed to give you all information about your video card and GPU.
Main 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)
BETA SOFTWARE - please test and post feedback in the forums
fixed in 0.0.2:
NVIDIA logo displayed on ATI cards
"MHz" displayed in shader clock box on ATI cards
Need to run as admin on Vista
Revision needs to be grayed on ATI
If die size unknown, remove mm² and disable field
fixed in 0.0.3:
Crash on Pre-GF 6 Cards
Shader Default still shows MHz on ATI
Multi GPU label always shows NVIDIA
X1650 with device ID 7293 not detected properly
7950 GT with device ID 0295 not detected properly
Hide Technology nm when not known
Invalid Memory type detection on some ATI cards (2600 XT etc)
Can't read driver version on Vista
fixed in 0.0.4:
Fixed 8800 GTS, 8500, 8600 misdetection