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Short name
iPad Air 1iPad 4 with Retina displayiPad Mini with Retina displayiPad Mini
Video
Connectivity
Wi-FiYes 802.11a/b/g/n dual band MIMOYes 802.11a/b/g/n dual bandYes 802.11a/b/g/n dual band MIMOYes 802.11a/b/g/n dual band
Bluetooth®Yes 4.0Yes 4.0Yes 4.0Yes 4.0
HDMI port----
USB HostNoNoNoNo
NFCNoNoNoNo
3G- Cellular model- Cellular model- Cellular model- Cellular model
4G LTE- Cellular model- Cellular model- Cellular model- Cellular model
Camera
Front cameraYes 1.2MPYes 1.2 MPYes 1.2MPYes 1.2 MP
Rear cameraYes 5MPYes 5 MPYes 5MPYes 5 MP
Video recordingYes 1080pYes 1080pYes 1080pYes 1080p
Technical features
ProcessorApple A7Apple A6XApple A7Apple A5
RAM1 GB1 GB1 GB512 MB
External memoryNoNoNoNo
Built-in memory16 GB - 128 GB16 GB - 128 GB16 GB - 128 GB16 GB - 64 GB
Screen
Screen resolution2048x15362048x15362048x15361024x768
Pixel density264 ppi264 ppi326 ppi163 ppi
Screen size9.7 in9.7 in7.9 in7.9 in
Dimensions
Height240 mm241.2 mm200 mm200 mm
Width169.5 mm185.7 mm134.7 mm134.7 mm
Depth7.5 mm9.4 mm7.5 mm7.2 mm
Weight469 g652 g331 g308 g
Battery
Battery life10 h10 h10 h10 h
Replaceable batteryNoNoNoNo
Sensors
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
eCompassYesYesYesYes
Images
Front view
Top view
Right view
Additional
Operating SystemiOS7, updated to iOS 12.5.7iOS 6, updated to iOS 10.3.3iOS7iOS 6, updated to iOS 9.3.6
SIM card formatNano-SIMmicro-SIMNano-SIMnano-SIM
ConnectorLightningLightningLightningLightning
Release dateNov. 1st 2013 Nov. 2nd 2012 Nov. 15th 2013 Nov. 2nd 2012
ColorsSpace gray, SilverBlack, WhiteSpace gray, SilverBlack, White
NameApple iPad AirApple iPad 4 with Retina displayApple iPad Mini with Retina displayApple iPad Mini
Websiteapple.com/...apple.com/...apple.com/...apple.com/...