is there any tools that i can use to test the power of a computer?

Question

and i'm talking about computing power

Answer 1

Try Super Pi 32M. Many enthusiasts use it for testing speed and stability.
http://www.overclock.net/downloads/138140-super-pi-mod-1-5-a.html

For graphics capability, try this:
http://www.majorgeeks.com/3DMark05_d4376.html
Use lowest screen resolution to test cpu rather than gpu.

Answer 2

If you are running Windows, you could check out Microsoft's Performance Monitor tool. Run PERFMON. It has a number of statistics it can monitor by selecting them.

That will at least tell you the current load on your computer..

Answer 3

http://www.microsoft.com/downloads/details.aspx?familyid=31fccd98-c3a1-4644-9622-faa046d69214&displaylang=en#Requirements