Which is better IPhone 5 or Samsung Galaxy 3s?

It's a hard decision and I love both… I already have an IPhone 4 but I am getting my upgrade soon. Which should I get?

Samsung galaxy s3

Galaxy 3 s

Iphone 5 is better. But personally i rather get the samsung galaxy 3.

Http://www.anandtech.com/show/6324/the-iphone-5-performance-preview
will show which is the better phone + you wouldn't loose your apps in the process of upgrading