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by geoffb 5098 days ago
It could be due to the retina display. iPhone4 has double the resolution of 3GS. Drawing 960x640 pixels vs 480x320 in canvas is going to have some noticeable impact.
1 comments
jmck 5098 days ago
my iPhone4 gets ~60fps in Safari, using iOS 5.1.1 (latest).
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