4-inch retina display screen with a 1136 x 640 pixel resolution. 326 pixels per inch.
The apple a6 processor.
4g lte networking support and support for dc-hsdpa networks.
Dual-band 802.11n wi-fi (support for 2.4ghz and 5ghz networks).
Support for panoramic photos.
Back camera on the iphone 5 takes 8-megapixel photos and has the ability to record in 1080p hd.
User-facing facetime camera offers 720p hd video and 1.2-megapixel photos
passbook (now called wallet).
Apple-created maps app, which includes turn-by-turn gps navigation.
Improved siri features.
Do not disturb.
Facetime over cellular networks, where available.
Screen Size: 4-5 inches