Display: 12.9" Retina LED-backlit widescreen Multi-Touch ( 2732-by-2048 resolution at 264 pixels per inch ppi )

Chip: A9X with 64 bit architecture with M9 motion coprocessor

Camera:  8MP iSight, 1.2MP FaceTime HD

Video: 1080p HD (30 fps), Slo-mo (120 fps), 720p HD

Sensors: Touch ID fingerprint sensor, Three-axis gyro, Accelerometer, Barometer, Ambient light sensor

Cellular and Wireless: GPRS, 3G, EDGE, Bluetooth v4.2, Wi-Fi a/b/g/n/ac dual-band with MIMO, Wi-Fi hotspot, Lightning

Battery: Built‐in 38.5‐watt‐hour rechargeable lithium‐polymer battery | Up to 10 hours of surfing the web on Wi‐Fi, watching video, or listening to music. Charging via power adapter or USB to computer system | Up to 9 hours of surfing the web using cellular data network

Dimensions (mm) / Weight (g): 305.7 x 220.6 x 6.9 / WiFi: 713g | Cellular: 723g

Software: iOS 10