Apple iPad Air Wi-Fi vs Apple iPad 4th generation Wi-Fi vs Apple iPad 3rd generation Wi-Fi + Cellular vs Apple iPad 2 Wi-Fi comparison

Compare Apple iPad Air Wi-Fi
Compare Apple iPad 4th generation Wi-Fi
Compare Apple iPad 3rd generation Wi-Fi + Cellular
Compare Apple iPad 2 Wi-Fi
key specs
Display9.70-inch9.70-inch9.70-inch9.70-inch
Processor1.3GHz one-core1.4GHz one-core1GHz one-core1GHz one-core
Front Camera1.2-megapixel1.2-megapixel0.3-megapixel0.3-megapixel
Resolution1536x2048 pixels1536x2048 pixels1536x2048 pixels768x1024 pixels
RAM1GB1GB1GB512MB
OSiOS 7iOS 6iOS 5.1iOS 4
Storage16GB16GB16GB16GB
Rear Camera5-megapixel5-megapixel5-megapixel0.7-megapixel
Battery Capacity8820mAh11560mAh11560mAh6930mAh
general
BrandAppleAppleAppleApple
ModeliPad Air Wi-FiiPad 4th generation Wi-FiiPad 3rd generation Wi-Fi + CellulariPad 2 Wi-Fi
Release dateSeptember 1, 2013October 1, 2012March 1, 2012March 1, 2011
Dimensions (mm)240.00 x 169.50 x 7.50241.20 x 185.70 x 9.40241.20 x 185.70 x 9.40241.20 x 185.70 x 8.80
Weight (g)469.00652.00662.00607.00
Battery capacity (mAh)882011560115606930
Removable batteryNoNoNoNo
Alternate names-iPad 4iPad 3-
display
Screen size (inches)9.709.709.709.70
TouchscreenNoNoNoNo
Resolution1536x2048 pixels1536x2048 pixels1536x2048 pixels768x1024 pixels
Pixels per inch (PPI)264264264132
hardware
Processor1.3GHz one-core1.4GHz one-core1GHz one-core1GHz one-core
RAM1GB1GB1GB512MB
Internal storage16GB16GB16GB16GB
Expandable storageNoNoNoNo
Expandable storage type-microSDmicroSDmicroSD
camera
Rear camera5-megapixel5-megapixel5-megapixel0.7-megapixel
Front camera1.2-megapixel1.2-megapixel0.3-megapixel0.3-megapixel
software
Operating systemiOS 7iOS 6iOS 5.1iOS 4
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 b/g/n---
GPSNoYesYesYes
BluetoothYesYesYesYes
Bluetooth version4.00---
NFCNoNoNoNo
InfraredNoNoNoNo
USB OTGNoNoNoNo
Headphones3.5mm3.5mm3.5mm3.5mm
FMNoNoNoNo
Number of SIMs1-1-
Wi-Fi DirectNoNoNoNo
Mobile High-Definition Link (MHL)NoNoNoNo
sim 1
3GNo-Yes-
4G/ LTENo-No-
SIM Type--Micro-SIM-
GSM/CDMA--GSM-
sensors
Compass/ MagnetometerYesYesYesYes
Proximity sensorNoNoNoNo
AccelerometerYesYesYesYes
Ambient light sensorYesNoNoNo
GyroscopeYesYesYesYes
BarometerNoNoNoNo
Temperature sensorNoNoNoNo

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