Which is my real clock speed?

[Smartazz]

My System Properties report my processor as 2GHZ, but AI booster reports it at 2.8GHZ, I set it to 2.8GHZ in my BIOS, but I'm not sure if it held that to boot.

 

[KeypoX]

you have cool and quiet enabled? that would drop it down ... i would try cpuz it will tell ya the best