The iPhone 5 included a 4-inch widescreen multi-touch Retina display at 1136×640 (326 ppi); a rear 8-megapixel, 1080p iSight camera, a front 1.2-megapixel, 720p FaceTime HD camera; and 4G/LTE support. The aluminum unibody case had a glass front and came in either a dark gray slate matte back with a glossy black front or a silver matte back with a glossy white front.
The iPhone 5 uses a 1.3 GHz dual core Apple A6 processor, has 1 GB of RAM, and 16 GB, 32 GB, or 64 GB of flash storage. It also included three noise canceling microphones, a bottom-mounted headphone jack, and a new USB 2.0 Lightning port for connectivity.
Source: EveryMac.com