Binoculars
Previous answer just about covered it, remember though the manufacturer puts info on the box, these are generally achieved in perfect lab conditions, anybody ever had anything like the manufactured ppm that printers offer.
If you have windows xp pro drop to a DOS prompt (Start - Run CMD - OK then type systeminfo at the prompt this will go off and tell you lots of info re your PC one of which is processor speed.
Or try downloading:
Aida32 - 3.4Mb
or
Belarc Advisor - 546Kb