The iPhone 5 vs Galaxy S3 vs iPhone 4S, what a showdown. These phones are just three of the top phones out at the moment. Galaxy S3 is definitely the biggest competitor against the iPhone 5. The iPhone 4S does still put up a good fight though, even though the phone is nearly a year old now.
This infographic by MobilePhoneFinder puts the specs of the phones up against each other. Remember these are just the specs, nothing else.