Originally Posted by Mark with a K
if you're looking for full customization it is very good idea to sell iphone for the galaxy sIII. i used to own a 4s sold it to get the sIII im not regretting my decision the sIII is a very nice device. plus with android you can customize without very much trouble and the sIII has a bigger processor. i think the iphones have 600mhz processor afaik
correct me if im wrong.
The processor in the ip5 is one of the better ones available last time I heard(around when the device was released)
But that's a moot point, you shouldn't be able to notice one significantly faster than the other.