As anyone who's interested in this topic already knows, Google has created a port of Chrome for iOS designed to work on the iPhone and on the iPad.
I did a little bit of testing today, hoping to see what the primary differences in rendering were and found that they were largely the same. Primarily because they are both using iOS's webkit rendering. This is actually a good thing, it helps to speed up the app and it keeps web pages consistent on the device.
I love the Chrome UI, and I'm a big fan of the synchronization, but the speed benefits on Safari might actually keep me from making the switch.