Does iphone 5 or 4 have better battery life?

I'm 17 and I never had a phone and I want an iphone but I really want one that has good battery life because I use it a lot. Please help because it sucks to have horrible battery

Here's a look at the battery life of iPhone 5 and iPhone 4S (per Apple.com):

LTE or 3G Internet Data:
iPhone 5: Up to 8 hours
iPhone 4S: Up to 6 hours

Wi-Fi Data:
iPhone 5: Up to 10 hours
iPhone 4S: Up to 9 hours

Voice Calling:
iPhone 5: Up to 8 hours
iPhone 4S: Up to 8 hours

Video Playback:
iPhone 4S: Up to 10 hours
iPhone 5: Up to 10 hours

Audio Playback:
iPhone 4S: Up to 40 hours
iPhone 5: Up to 40 hours

IPhone 5 is batter life good