"We're at the point, with what people do in the browser, that users can't really tell the difference between browsers," he has argued. "Beyond building a performance lab, which we've done, it's very difficult to tell which browser is fastest. The reality is that for most users, they'll all be comparable."
On the Mac, where Safari doesn't have to compete with Google -- Chrome has yet to be ported to Apple's operating system -- the beta of version 4 is almost twice as fast as Firefox 3.1 Beta 2 and nearly four times faster than Firefox 3.0.6, according to SunSpider tests run on a 2.4GHz "unibody" MacBook.
Computerworld is an InfoWorld affiliate.