Droid DNA Battery Drain test vs Galaxy S3 and iPhone 5 HD

Battery drain test watching youtube videos of on Full HD. Who wins this fight and can claim the title of battery champ? Both Android phones are running 4.1 JB, and the iphone 5 is running iOS 6. All screens are full brightness and volumes set to full power. All apps closed, except email sync (gmail) is still running in the background on all phones.