Performance > Customization.
iPhone 5
>passbook
>imessage
>more ppi (better display quality)
>faster os updates
>apps, ios has priority over android
>all apps are better
>faster processor
>siri
>better camera/video quality
>itunes
>no footware
>universal search (android did away with this)
>better privacy
>maps
>dnd
>compatilibty (airplay, airdrop)
Basically, if you're an adult, the iPhone 5 is better.