Main Improvements

– Faster Processor
– Sapphire crystal lens cover
– Higher Max ISO (now to ISO 3200)
– Improved low-light performance
– Shoot stills and videos simultaneously
– Panorama mode (also available on earlier models running iOS 6)

Other reasons to consider an upgrade to the iPhone 5

– Lighter, thinner (yet stronger)
– Bigger, brighter 16:9 screen
– Faster at everything
– Better Wi-Fi (N), faster 3G/4G
– Much better headphones (new design)