Karbonn Alfa A91 Champ vs Karbonn K550i comparison

Compare Karbonn Alfa A91 Champ
Compare Karbonn K550i
key specs
Display4.00-inch2.40-inch
Processor1.2GHz quad-coreone-core
Front Camera0.3-megapixelNo
Rear Camera2-megapixel2-megapixel
RAM512MB-
Storage4GB64MB
Battery Capacity1400mAh1050mAh
OSAndroid 5.0Proprietary
Resolution480x800 pixels240x320 pixels
general
BrandKarbonnKarbonn
ModelAlfa A91 ChampK550i
Form factorTouchscreenBar
Dimensions (mm)127.00 x 64.40 x 10.60-
Weight (g)112.0095.00
Battery capacity (mAh)14001050
Removable batteryYesYes
ColoursBlack - Blue, Coffee - Black & Champagne-Coffee-
Alternate names-Boombox
Release date-January 2011
display
Screen size (inches)4.002.40
TouchscreenYesNo
Resolution480x800 pixels240x320 pixels
hardware
Processor1.2GHz quad-coreone-core
RAM512MB-
Internal storage4GB64MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)324
camera
Rear camera2-megapixel2-megapixel
Rear flashYesNo
Front camera0.3-megapixelNo
software
Operating systemAndroid 5.0Proprietary
connectivity
Wi-FiYesNo
Wi-Fi standards supported802.11 b/g/n-
GPSYesNo
BluetoothYesYes
NFCNoNo
InfraredNoNo
USB OTGYesNo
Headphones3.5mm-
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeMicro-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
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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