Browser Test: Chrome 15 vs Firefox 7 vs Internet Explorer 9 vs Opera 11.52 vs Safari 5.1
Download Google Chrome 15.0.874.102: http://www.google.com/chrome/
Download Mozilla Firefox 7.0.1: http://www.mozilla.com/en-US/firefox/new/
Download Microsoft Internet Explorer 9.0.8112.16421: http://windows.microsoft.com/en-US/internet-explorer/products/ie/home
Download Opera 11.52: http://www.opera.com/browser/
Download Apple Safari 5.1.1: http://www.apple.com/safari/
The benchmarks I use are Peacekeeper, Dromaeo, memory usage, HTML5 Fishbowl and the HTML5 Test. Each is run multiple times on the same Windows 7 computer to ensure a fair fight.