Windows XP SP3 browsers 13% faster than Windows 7 RTM
In a set of comprehensive Windows Web browser performance tests conducted by Betanews on August 7 — our first test of browsers running on the final Windows 7 RTM Build 7600 distributed by Microsoft yesterday — the five major families of browsers tended to run 13% faster on Windows XP Service Pack 3 than on Windows 7, and 29% faster than on Windows Vista Service Pack 2.