This is interesting ... Joe Belfiore, Director of the Windows Phone program, put Internet Explorer 9 mobile up against the iPhone 4 and Google's Samsung Nexus S Android device at the MIX11 - and IE9 mobile won.
The test carried out was Microsoft's own HTML5 speed reading test that forms part of the informal suite over on ietestdrive.com.
The Windows Phone “Mango” handset managed some 20FPS (frames per second), with the Samsung Nexus S managing only 11FPS, while the iPhone 4 trailed far behind on 2FPS.
Couple of points worth noting:
- This is done purely using a Microsoft test platform.
- The iPhone 4 is running iOS 4.2 and not the faster iOS 4.3 (in my informal testing using iOS4.3 the browser hobbled on at around 5FPS ... a little better but not much)
It's really great to see Microsoft pushing the turbo boost button on web browsing both on the desktop and mobile platforms. Good work!