Samsung Galaxy S II vs Karbonn A7 Star comparison

 
  Compare Samsung Galaxy S IICompare Karbonn A7 Star
General
Alternate namesGT-I9100-
Release dateApril 2011May 2013
Form factor-Touchscreen
Dimensions (mm)125.30 x 66.10 x 8.49113.00 x 66.00 x 10.40
Weight (g)116.00-
Battery capacity (mAh)16501400
Removable batteryYesYes
Colours-White, Black
SAR ValueNANA
Display
Screen size (inches)4.304.50
TouchscreenYesYes
Resolution480x800 pixels480x480 pixels
Pixels per inch (PPI)-218
Hardware
Processor1.2GHz dual-core1GHz dual-core
RAM1GB512MB
Internal storage16GB164MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)3232
Camera
Rear camera8-megapixel5-megapixel
FlashYesYes
Front camera2-megapixel0.3-megapixel
Software
Operating SystemAndroid 2.3Android 4
Connectivity
Wi-FiYesYes
Wi-Fi standards supportedNANA
GPSYesYes
BluetoothYesYes
NFCYesNo
InfraredNoNo
Headphones3.5mm3.5mm
FMNoYes
Number of SIMs12
SIM1
SIM TypeRegularRegular
GSM/CDMAGSMGSM
3GYesNo
4G/LTENoNo
SIM2
SIM Type-Regular
GSM/CDMA-GSM
3G-No
4G/LTE-No
Sensors
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorNoNo
GyroscopeYesNo
BarometerNoNo
Temperature sensorNoNo