September 2010

Friday, September 17, 2010

JavaScript Speed Comparison IE9 Beta vs. Firefox 4.0b6

Using the SunSpider JavaScript benchmark at, here's the results for my PC.  Both browsers support GPU acceleration. Both browsers have those settings set to their default values.  IE9 comes out ahead, being about 20% faster than Firefox 4.0b6 on my work PC hardware (Core2 Duo E6550 @2.33 GHz, ATI Radeon HD 2400 Pro video adapter). This is by no means the end-all, be-all of browser performance ratings, just a cursory test since I was curious.

Firefox 4.0 beta 6:

Internet Explorer 9 Beta: