Karbonn K21+ vs Karbonn K91 comparison

Compare Karbonn K21+
Compare Karbonn K91
key specs
Display2.20-inch2.40-inch
Processorone-coreone-core
Front CameraNoNo
Rear Camera0.3-megapixel1.3-megapixel
Battery Capacity1000mAh1500mAh
Resolution128x160 pixels240x320 pixels
Storage-64MB
OS-Proprietary
general
BrandKarbonnKarbonn
ModelK21+K91
Release dateSeptember 2012February 2012
Form factorBarBar
Battery capacity (mAh)10001500
Removable batteryYesYes
ColoursSilver, BlackRed-Black, Red-White
Dimensions (mm)-118.00 x 50.00 x 13.60
Weight (g)-95.00
display
Screen size (inches)2.202.40
TouchscreenNoNo
Resolution128x160 pixels240x320 pixels
hardware
Processorone-coreone-core
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)88
Internal storage-64MB
camera
Rear camera0.3-megapixel1.3-megapixel
Front cameraNoNo
Rear flash-No
connectivity
Wi-FiNoNo
GPSNoNo
BluetoothYesYes
NFCNoNo
InfraredNoNo
USB OTGNoNo
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeRegularRegular
GSM/CDMAGSMGSM
3GNoNo
4G/ LTENoNo
sim 2
SIM TypeRegularRegular
GSM/CDMAGSMGSM
3GNoNo
4G/ LTENoNo
sensors
Compass/ MagnetometerNoNo
Proximity sensorNoNo
AccelerometerNoNo
Ambient light sensorNoNo
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo
software
Operating system-Proprietary

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