http://en.wikipedia.org/wiki/Cool_and_Quiet
The CPU slows down when it's not in use to save power. When in use, it should clock at 2400MHz. Leave CPU-z on and open a program. Watch the speed fluctuate.
The CPU slows down when it's not in use to save power. When in use, it should clock at 2400MHz. Leave CPU-z on and open a program. Watch the speed fluctuate.