My iPad 2 Sunspider 1.0.1 test results:
|iOS 7||iOS 6|
|Mobile Safari||1268.5ms||1440.0ms (1)|
|UIWebView test app||6129.0ms||5496.8ms (2)|
|Google Chrome for iOS||6174.1ms||-|
UIWebView test app is a trivial iOS app I wrote. It instantiates one full-screen UIWebView object which loads the Sunspider test page.