Meanwhile, overseas a Samsung Galaxy S II owner decided that the 1.2GHz dual core Exynos processor was just not fast enough, so he overclocked the phone to 1.5GHz. A Quadrant benchmark test performed at that speed resulted in a score of over 4,000.
If you own the device and would like to attempt to duplicate the feat, click on the sourcelink. Just make sure that you can handle that speed.
source: Xda-DevelopersForum via Engadget