Overclocking (overclocking) is one of the most popular programs: Prime95. CPU and memory load, putting the stability of your system that lets you know the status of this software is more preferable than the like.
The great advantage of 4 cores lack of support. In the first minutes during the test with Prime95 you do if you get an error, your system is not stable. Received an average of 1 hour clean results indicates that your system is stable.