How to check if your computer has been overclocked (without looking inside)?

[isuru]

Is there any way to check if your computer has been overclocked without looking inside?

 

[bacillus]

if its got an intel cpu then you can use cpu id from here.
can't help with an AMD cpu, sorry!

 

[compuwiz1]

WCPUID

That will identify speed of either Intel or AMD.