XSMark is a small download that will allow you to test your video card's OpenGL capabilities. It features great graphics, accurate benchmarking and complete HTML reports for quick performance comparisons. Version 1.1 includes demo mode which features over 15 mins of original music as a separate download from GLExcess official web site.
New in this version:
Auto detection of suitable video resolutions
Demo and benchmark modes all in one single program
More accurate benchmarking
Benchmark mode generates detailed reports in HTML format
User configurable benchmark tests
Benchmark tests run faster for quick performance reports