Karbonn Alfa A91 Champ vs Karbonn KT21 comparison

Compare Karbonn Alfa A91 Champ
Compare Karbonn KT21
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display4.00-inch2.80-inch
Processor1.2GHz quad-coreone-core
Front Camera0.3-megapixelNo
Rear Camera2-megapixel3.2-megapixel
RAM512MB-
Storage4GB-
Battery Capacity1400mAh1000mAh
OSAndroid 5.0Proprietary
Resolution480x800 pixels-
general
BrandKarbonnKarbonn
ModelAlfa A91 ChampKT21
Form factorTouchscreenBar
Dimensions (mm)127.00 x 64.40 x 10.60-
Weight (g)112.00-
Battery capacity (mAh)14001000
Removable batteryYesYes
ColoursBlack - Blue, Coffee - Black & Champagne-CoffeeBlack
Release date-March 2012
display
Screen size (inches)4.002.80
TouchscreenYesYes
Resolution480x800 pixels-
hardware
Processor1.2GHz quad-coreone-core
RAM512MB-
Internal storage4GB-
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)3232
camera
Rear camera2-megapixel3.2-megapixel
Rear flashYesYes
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
Headphones3.5mm3.5mm
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 sensorNoYes
AccelerometerYesYes
Ambient light sensorNoNo
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo
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