This is a continuation of the Browsers 2009 post with results for Windows browsers. This time there are 2 arguable winners, but one clear loser.
![](/images/illustrations/2009-03-16/browsers-2009-now-windows-1-Acid3.png)
Acid 3 Rendering Test (longer is better, 100 is max.)
![](/images/illustrations/2009-03-16/browsers-2009-now-windows-2-V8.png)
Google V8 Performance Benchmark (longer is better)
![](/images/illustrations/2009-03-16/browsers-2009-now-windows-3-SunSpider.png)
SunSpider JavaScript Benchmark (shorter is better)
All tests performed 3 times and averaged, on a clean installation of Windows 7 (Beta build 7000) using a MacBook (2.4GHz 2 Duo, 2GB RAM).