Micromax Bolt A28 vs Karbonn A1 comparison

Compare Micromax Bolt A28
Compare Karbonn A1
key specs
Display3.50-inch2.80-inch
ProcessorARM Cortex-A5600 MHz one-core
Front CameraNoNo
Rear Camera0.3-megapixel3.2-megapixel
RAM256MB-
Storage512MB-
Battery Capacity1500mAh1100mAh
OSAndroid 2.3Android 2.2
Resolution320x480 pixels240x320 pixels
general
BrandMicromaxKarbonn
ModelBolt A28A1
Release dateDecember 1, 2013July 1, 2011
Dimensions (mm)116.90 x 62.50 x 12.50106.80 x 59.20 x 14.00
Weight (g)89.00105.00
Battery capacity (mAh)15001100
Removable batteryYesYes
Form factor-Bar
display
Screen size (inches)3.502.80
TouchscreenYesYes
Resolution320x480 pixels240x320 pixels
hardware
Processor1GHz one-core600 MHz one-core
Processor makeARM Cortex-A5-
RAM256MB-
Internal storage512MB-
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)3232
camera
Rear camera0.3-megapixel3.2-megapixel
Rear flashNoNo
Front cameraNoNo
software
Operating systemAndroid 2.3Android 2.2
connectivity
Wi-FiYesYes
GPSNoYes
BluetoothYesYes
NFCNoNo
InfraredNoNo
USB OTGNoNo
Headphones3.5mm-
FMYesYes
Number of SIMs21
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeRegularRegular
GSM/CDMAGSMGSM
3GNoYes
4G/ LTENoNo
sim 2
SIM TypeRegular-
GSM/CDMAGSM-
3GNo-
4G/ LTENo-
sensors
Compass/ MagnetometerNoNo
Proximity sensorNoYes
AccelerometerNoYes
Ambient light sensorNoNo
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo

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