Processor
A8 chip with 64-bit architecture

M8 motion coprocessor

Display
Retina display

4-inch (diagonal) widescreen display with Multi-Touch IPS technology

1136-by-640-pixel resolution at 326 ppi

800:1 contrast ratio (typical)

500 cd/m2 max brightness (typical)

Fingerprint-resistant oleophobic coating

Storage
16GB, 32GB, 64GB, or 128GB4

Power and Battery
Built-in rechargeable lithium-ion battery

Music playback time: Up to 40 hours5

Video playback time: Up to 8 hours5

Input/Output
Lightning connector

Stereo headphone minijack

Built-in speaker

Microphone

Audio
Frequency response: 20Hz to 20,000Hz

Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV

User-configurable maximum volume limit

Sensors
Three-axis gyro

Accelerometer

FaceTime HD Camera
1.2MP photos

ƒ/2.2 aperture

720p HD video recording

Backside illumination sensor

Auto HDR for photos and videos

Improved face detection

Burst mode

Exposure control

Timer mode

iSight Camera
8MP iSight camera

Autofocus

ƒ/2.4 aperture

Five-element lens

Hybrid IR filter

Backside illumination

Improved face detection

Exposure control

Panorama (up to 43MP)

Burst mode

Tap to focus

Photo geotagging over Wi-Fi

Timer mode

Video Recording
1080p HD video recording (30 fps)

Tap to focus while recording

Slo-mo video (120 fps)

Time-lapse video

Cinematic video stabilization

Improved face detection

3x zoom

Video geotagging over Wi-Fi

Wireless
802.11a/b/g/n/ac Wi‑Fi

Bluetooth 4.1 technology

Maps: Location-based service6

Headphones
Apple EarPods

TV and Video
AirPlay Mirroring and video out to Apple TV (2nd and 3rd generation)

Video mirroring and video out support: Up to 1080p through Lightning Digital AV Adapter and Lightning to VGA Adapter (adapters sold separately)

H.264 video up to 1080p, 30 frames per second, Main Profile level 4.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats

MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats