I saw a post on Ajaxian about how iPhone 3.0 might now include SquirrelFish Extreme so I did a quick and dirty using this. Here’s are the results (raw spreadsheet here).
iPhone 3.0 definitely has something, (whether it’s SquirrelFish or Nitro), but it’s 3x-10x faster than iPhone 2.2.
Update: Dear Apple, if this is against the NDA shoot me an email waynepan at me dot com

You should try with SunSpider:
http://www2.webkit.org/perf/sunspider-0.9/sunspider.html
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It’s always glad to see improvements on the very iPhone
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Please try it with this iPhone 3D JavaScript game (heavy use of HTML5 Canvas):
http://www.vagvolgyi.com/stuntcar/
Keep GFX details on high but turn on the framerate display. Check the typical framerates during the game. Thank you.
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I saw a post on Ajaxian about how iPhone 3.0 might now include SquirrelFish Extreme
iPhone 3.0 definitely has something, (whether it
iPhone 3.0 definitely has something, (whether it