I've seen a few tests that claim Firefox beats Chrome on overall page load (and e.g. memory usage). Do you have anything that shows Chrome to be exceptionally faster in the general case, or is it just reducing Javascript execution on the average page from 1 millisecond to 0.5 milliseconds?
I'm not aware of benchmarks either way, but Chrome certainly feels a lot faster. Pages snap up almost instantly and events fire immediately. Firefox, by contrast, comes across as comparatively sluggish.
It pains me to write this, because I've been a happy and devoted Firefox user since the early days of Mozilla, but I am gradually shifting over to using Chrome for straight browsing - though I still rely on Firefox and the unparalleled Firebux addon for troubleshooting web applications.