iPhone web browsing vs Blackberry Bold

One of the main things that makes me love the iPhone is the combination of a good solid web browser with the phone functions. I once had a Treo and there is no comparison at all. Sometimes people complain about the browsing speed, so it was interesting to see the side-by-side comparison below between the Apple iPhone and the RIM Blackberry Bold.

The video makes and interesting and compelling demonstration, but the upshot is that the iPhone is a lot faster. I wonder if this is partly because the iPhone is based on a robust UNIX-like kernel which is the backbone of the internet, as well as because the Safari-based browser has been the subject of development for the huge Mac community for many years. (Claims regarding the speed of Safari version 3 in comparison to other browsers have been around for some time.)