Micromax Bolt A075 vs Karbonn A21 comparison

Compare Micromax Bolt A075
Compare Karbonn A21
key specs
Display5.20-inch4.50-inch
ProcessorSpreadtrum SC6825AQualcomm Snapdragon S4 Play
Front Camera0.3-megapixel1.3-megapixel
Rear Camera8-megapixel5-megapixel
RAM512MB512MB
Storage4GB4GB
Battery Capacity2200mAh1800mAh
OSAndroid 4.0Android 4
Resolution480x800 pixels480x800 pixels
general
BrandMicromaxKarbonn
ModelBolt A075A21
Release dateMarch 1, 2014December 1, 2012
Form factorTouchscreenBar
Battery capacity (mAh)22001800
Removable batteryYesNo
Colours-Pearl White
display
Screen size (inches)5.204.50
TouchscreenYesYes
Resolution480x800 pixels480x800 pixels
hardware
Processor1GHz dual-core1.2GHz one-core
Processor makeSpreadtrum SC6825AQualcomm Snapdragon S4 Play (MSM8225)
RAM512MB512MB
Internal storage4GB4GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)3232
camera
Rear camera8-megapixel5-megapixel
Rear flashLEDLED
Front camera0.3-megapixel1.3-megapixel
software
Operating systemAndroid 4.0Android 4
connectivity
Wi-FiYesNo
Wi-Fi standards supported802.11 b/g/n-
GPSNoYes
BluetoothYesYes
NFCNoNo
InfraredNoNo
USB OTGNoNo
Headphones3.5mm-
FMYesNo
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeRegularRegular
GSM/CDMAGSMGSM
3GNoYes
4G/ LTENoNo
sim 2
SIM TypeRegularRegular
GSM/CDMAGSMGSM
3GNoYes
4G/ LTENoNo
sensors
Compass/ MagnetometerNoNo
Proximity sensorYesNo
AccelerometerYesNo
Ambient light sensorNoNo
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo

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