Size and Weight
Height: 4.86 inches (123.4 mm)
Width: 2.31 inches (58.6 mm)
Depth: 0.24 inch (6.1 mm)
Weight: 3.10 ounces (88 grams)4

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
Chip
 
A8 chip with 64-bit architecture
M8 motion coprocessor
iSight Camera
8MP iSight camera
Autofocus
ƒ/2.4 aperture
Five-element lens
Hybrid IR filter
Backside illumination
Auto image stabilization
Auto HDR for photos
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 with stabilization
Cinematic video stabilization
Improved face detection
3x zoom
Video geotagging over Wi-Fi
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
Wireless
 
802.11a/b/g/n/ac Wi‑Fi
Bluetooth 4.1 technology
Maps: Location-based service5
Audio Playback
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
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
Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
Intelligent Assistant6
Siri — Use your voice to send messages, set reminders, and more
Use hands-free
Listen and identify
External Buttons and Connectors

Home
Volume up/down
On/off, Sleep/wake
3.5-mm stereo headphone jack
Built-in speaker
Lightning connector
Input and Output
Lightning connector
Stereo headphone minijack
Built-in speaker
Microphone
Power and Battery7
Built-in rechargeable lithium-ion battery
Music playback time: Up to 40 hours
Video playback time: Up to 8 hours
Sensors
Three-axis gyro
Accelerometer
Operating System

iOS 9

With an all-new design and all-new features, iOS 9 is the world’s most advanced mobile OS. In its most advanced form.