It's often difficult to know the true performance of a computer when you see it at a store. While the store may allow you to use the browser, they usually don't allow you to install custom software, such as for benchmarking.

For that reason, I am looking for a webapp which can perform benchmark tests on a PC by using something like JavaScript, Flash or even Java.

Ideally, the solution should test every aspect of the PC such as the processor, hard-drive, ram, and even graphics.

I've seen Peacekeeper, but it seems like it's intended more for testing browsers against each other rather than testing PC's against each other.


Not exactly what you're looking for but the one website I know that getting close :

Can You Run It?

This site provides a One-Click solution that looks at your computer's hardware and system software to determine whether or not your current system can run a product.

The analysis results you get take into account CPU, ram, OS, Video card and Sound card : eg. http://dl.dropbox.com/u/1026715/stackexchange/labanalysi.JPG

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