Engadget carried out tests between Nexus One on Android 2.2 (Froyo) and an iPhone 4, with iOS 4.0 to check the speed of loading Web pages. Once with Flash enabled on Android and once without.
With Flash enabled the both Nexus One and iPhone 4 on iOS 4 were at loading web pages in equal time. Without Flash, Android’s browser was able to take a slight advantage. Check out the Video after the break!
Even ArsTechnica carried out speed tests on the Nexus One and iPhone 4 to measure the JavaScript performance. Android froyo scored over three times better on V8 and almost two times faster on SunSpider. However, the javascript improvements haven’t made a noticeable difference in page load time.

Comparison of Google Android 2.2 and Apple iOS 4
All the major Android smartphones are running or will be running on Android 2.2 Froyo (Frozen Yogurt). Froyo supports lot new and exciting features like Flash 10.1 support, Internet Tethering and much more which otherwise not possible on iOS 4.0. We already posted tabular comparison between Android 2.2 and Apple iOS 4 before and in the exit poll carried out, Android 2.2 Froyo was emerged as a clear winner!
In terms of features, both OS seems to be giving tough competition to the other which makes it very difficult to say to which wins over the other.
Via – engadget, Arstechnica

