Karbonn Alfa A91 Champ vs Karbonn A27 Reti comparison

Compare Karbonn Alfa A91 Champ
Compare Karbonn A27 Retina
key specs
Display4.00-inch4.20-inch
Processor1.2GHz quad-core1.2GHz dual-core
Front Camera0.3-megapixel2-megapixel
Rear Camera2-megapixel8-megapixel
RAM512MB512MB
Storage4GB4GB
Battery Capacity1400mAh1800mAh
OSAndroid 5.0Android 4.1
Resolution480x800 pixels540x960 pixels
general
BrandKarbonnKarbonn
ModelAlfa A91 ChampA27 Retina
Form factorTouchscreen-
Dimensions (mm)127.00 x 64.40 x 10.60133.60 x 66.00 x 9.10
Weight (g)112.00126.50
Battery capacity (mAh)14001800
Removable batteryYesYes
ColoursBlack - Blue, Coffee - Black & Champagne-Coffee-
Release date-March 1, 2013
display
Screen size (inches)4.004.20
TouchscreenYesYes
Resolution480x800 pixels540x960 pixels
Pixels per inch (PPI)-256
hardware
Processor1.2GHz quad-core1.2GHz dual-core
RAM512MB512MB
Internal storage4GB4GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)3232
camera
Rear camera2-megapixel8-megapixel
Rear flashYesYes
Front camera0.3-megapixel2-megapixel
software
Operating systemAndroid 5.0Android 4.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n-
GPSYesNo
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/ LTENoNo
sim 2
SIM TypeMicro-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTENoNo
sensors
Compass/ MagnetometerNoNo
Proximity sensorNoNo
AccelerometerYesNo
Ambient light sensorNoNo
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo

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