What's the difference between iphone 4gs and iphone 5?

I just went to the apple website and from what i can see, the iphone 5 and 4gs seem like the same thing. Its got slight upgrades to retina display and the screens a little bigger, but i didn't think their was anything wrong with 4gs.

Added (1). Other than the headphones, thats the only noticeable upgrade that i can see

Added (2). I kno and i figured they didn't call 4gs 5 was because they were saving 5 for gamechanging technology like making the iphone a wireless hotspot. Its pretty disappointed.seems like their is no significant difference.

Added (3). The bigger screens kinda nice (from 4.5 in. To 4.87)
better Wi-Fi (still not a Wi-Fi hotspot like android is)
better resolution
better map (roadside assistant, i don't know why they didn't have that in the 1st place)

I heard iphone 5 sucks and its not worth it. Don't get it…

Bigger screen. Just another way or Apple to get more money by releasing the same product with minor changes and upgrades.

Here is a link comparing the iPhone 5, iPhone 4s, and iPhone 4:

http://www.apple.com/...e-iphones/

Hope that helps.

The iPhone 5 is newer, and gives Apple another chance to take on a wave of cash.
One more thing- why is this in the philosophy section?