I ran these tests http://mootools.net/slickspeed/ on IE, Firefox and Chrome.
Here are the results:
It looks like Chrome is about 13% faster than Firefox and 82% faster than IE 7.
All browsers are running on the same computer, so the hardware/os settings are irrelevant. But if you are curious, it’s a Windows Vista 64-bit machine with 6 Gigs of RAM and a quad core chip.
[Update] If you are reading this in Chrome, the embedded document is broken. I guess Google didn’t test there own sites. It should look like this:
Instead it looks like this: