C-Bench is used to test 21 aspects of your processor's performance in both single and multi-threaded modes. C-Bench will display the results in a easy-to-read format within a dos-prompt window and will included the following: Version of windows, time executed, single-threaded performance, multi-threaded performance and a calculated value for the lag felt when multi-threaded. This program will take between 30 seconds and 10 minuets depending on the speed of your computer.