Karbonn Alfa 18 vs Karbonn A21 comparison

Compare Karbonn Alfa 18
Compare Karbonn A21
key specs
Display4.00-inch4.50-inch
Processor1.2GHz quad-coreQualcomm Snapdragon
Front Camera0.3-megapixel1.3-megapixel
Rear Camera2-megapixel5-megapixel
RAM512MB512MB
Storage4GB4GB
Battery Capacity1400mAh1800mAh
OSAndroid 7.0Android 4
Resolution480x800 pixels480x800 pixels
general
BrandKarbonnKarbonn
ModelAlfa 18A21
Form factorTouchscreenBar
Dimensions (mm)124.50 x 64.50 x 10.60-
Weight (g)112.00-
Battery capacity (mAh)14001800
Removable batteryNoNo
ColoursChampagne, Grey - Gun Metal, Black - ChampagnePearl White
Release date-December 2012
display
Screen size (inches)4.004.50
TouchscreenYesYes
Resolution480x800 pixels480x800 pixels
hardware
Processor1.2GHz quad-core1.2GHz one-core
RAM512MB512MB
Internal storage4GB4GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)3232
Processor make-Qualcomm Snapdragon
camera
Rear camera2-megapixel5-megapixel
Rear flashYesLED
Front camera0.3-megapixel1.3-megapixel
software
Operating systemAndroid 7.0Android 4
connectivity
Wi-FiYesNo
Wi-Fi standards supported802.11 b/g/n-
GPSYesYes
BluetoothYesYes
NFCNoNo
InfraredNoNo
USB OTGYesNo
Headphones3.5mm-
FMYesNo
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeMicro-SIMRegular
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sim 2
SIM TypeMicro-SIMRegular
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sensors
Compass/ MagnetometerNoNo
Proximity sensorYesNo
AccelerometerYesNo
Ambient light sensorNoNo
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo

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