Panasonic GD31 vs Karbonn K21+ comparison

Compare Panasonic GD31
Compare Karbonn K21+
key specs
Display2.80-inch2.20-inch
Processorone-coreone-core
Front CameraNoNo
Rear Camera2-megapixel0.3-megapixel
Battery Capacity1110mAh1000mAh
OSProprietary-
Resolution240x320 pixels128x160 pixels
general
BrandPanasonicKarbonn
ModelGD31K21+
Release dateJuly 2014September 2012
Form factorTouchscreenBar
Dimensions (mm)96.60 x 56.60 x 13.00-
Battery capacity (mAh)11101000
Removable batteryYesYes
ColoursSilver, Grey, BlackSilver, Black
display
Screen size (inches)2.802.20
TouchscreenYesNo
Resolution240x320 pixels128x160 pixels
hardware
Processorone-coreone-core
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)328
camera
Rear camera2-megapixel0.3-megapixel
Rear flashYes-
Front cameraNoNo
software
Operating systemProprietary-
connectivity
Wi-FiNoNo
GPSNoNo
BluetoothYes, v 2.10Yes
NFCNoNo
InfraredNoNo
USB OTGNoNo
Headphones3.5mm-
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeRegularRegular
GSM/CDMAGSMGSM
3GNoNo
4G/ LTENoNo
sim 2
GSM/CDMAGSMGSM
3GNoNo
4G/ LTENoNo
SIM Type-Regular
sensors
Compass/ MagnetometerNoNo
Proximity sensorNoNo
AccelerometerNoNo
Ambient light sensorNoNo
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo

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