Apple iPad 4th generation Wi-Fi vs Apple iPad 2 Wi-Fi + 3G comparison

Compare Apple iPad 4th generation Wi-Fi
Compare Apple iPad 2 Wi-Fi + 3G
key specs
Display9.70-inch9.70-inch
Processor1.4GHz1GHz
Front Camera1.2-megapixel0.3-megapixel
Resolution1536x2048 pixels768x1024 pixels
RAM1GB512MB
OSiOS 6iOS 4
Storage16GB16GB
Rear Camera5-megapixel0.7-megapixel
Battery Capacity11560mAh6930mAh
general
Alternate namesiPad 4-
Release dateOctober 2012March 2011
Dimensions (mm)241.20 x 185.70 x 9.40241.20 x 185.70 x 8.80
Weight (g)652.00607.00
Battery capacity (mAh)115606930
Removable batteryNoNo
display
Screen size (inches)9.709.70
TouchscreenNoNo
Resolution1536x2048 pixels768x1024 pixels
Pixels per inch (PPI)264132
hardware
Processor1.4GHz1GHz
RAM1GB512MB
Internal storage16GB16GB
Expandable storageNoNo
Expandable storage typemicroSDmicroSD
camera
Rear camera5-megapixel0.7-megapixel
Front camera1.2-megapixel0.3-megapixel
software
Operating systemiOS 6iOS 4
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes
NFCNoNo
InfraredNoNo
USB OTGNoNo
Headphones3.5mm-
FMNoNo
Number of SIMs-1
sensors
Compass/ MagnetometerYesYes
Proximity sensorNoNo
AccelerometerYesYes
Ambient light sensorNoNo
GyroscopeYesYes
BarometerNoNo
Temperature sensorNoNo
sim 1
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-No