A 5.5-inch Retina HD display with 3D Touch. 7000 series aluminum and stronger cover glass. An A9 chip with 64-bit desktop-class architecture. All new 12MP iSight camera with Live Photos. Touch ID. Faster LTE and Wi-Fi. Long battery life and iOS 9 and iCloud. All in a smooth, continuous unibody design.
5.5-inch (diagonal) Retina HD display with 1920-by-1080 resolution
A9 chip with M9 motion coprocessor
12MP iSight camera with Focus Pixels, True Tone flash and Live Photos
4K video recording at 30 fps and slo-mo video recording for 1080p at 120 fps
5MP FaceTime HD camera with Retina Flash
Second-generation Touch ID
LTE Advanced1 and 802.11a/b/g/n/ac and Wi-Fi with MIMO