CNET compared the performance of Apple's new Safari 4 beta browser with other browsers and found it's one of the fastest browsers in the world. Safari 4 is 3.5x faster than Firefox 3, and 42x faster than IE7.
Below are the actual figures if you want to see how all seven browsers scored against each other, but for quick reference we determined on a PC that Safari was a whopping 42 times faster than Internet Explorer 7, just over six times faster than Internet Explorer 8, 3.5 times faster than Firefox 3, and 1.2 times faster than Google Chrome. Here's Safari versus the rest, excluding IE 7:
IE7 was excluded from the chart below because its 39,026ms really messed up the scale.