Datawind Pocket Surfer 3G4 vs Karbonn K91 comparison

Compare Datawind Pocket Surfer 3G4
Compare Karbonn K91
key specs
Display4.00-inch2.40-inch
ProcessorARM Cortex-A7one-core
Front Camera0.3-megapixelNo
Rear Camera5-megapixel1.3-megapixel
RAM256MB-
Storage512MB64MB
OSAndroid 4.4.2Proprietary
Resolution480x960 pixels240x320 pixels
Battery Capacity-1500mAh
general
BrandDatawindKarbonn
ModelPocket Surfer 3G4K91
Release dateMarch 1, 2015February 1, 2012
Form factorTouchscreenBar
Dimensions (mm)123.00 x 64.00 x 10.30118.00 x 50.00 x 13.60
Weight (g)100.0095.00
Removable batteryYesYes
Battery capacity (mAh)-1500
Colours-Red-Black, Red-White
display
Screen size (inches)4.002.40
TouchscreenYesNo
Resolution480x960 pixels240x320 pixels
hardware
Processor1GHz one-coreone-core
Processor makeARM Cortex-A7-
RAM256MB-
Internal storage512MB64MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)328
camera
Rear camera5-megapixel1.3-megapixel
Rear flashLEDNo
Front camera0.3-megapixelNo
software
Operating systemAndroid 4.4.2Proprietary
connectivity
Wi-FiYesNo
Wi-Fi standards supported802.11 b/g/n-
GPSNoNo
BluetoothYesYes
NFCNoNo
InfraredNoNo
USB OTGNoNo
Headphones3.5mm-
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
GSM/CDMAGSMGSM
3GYesNo
4G/ LTENoNo
SIM Type-Regular
sim 2
GSM/CDMAGSMGSM
3GNoNo
4G/ LTENoNo
SIM Type-Regular
sensors
Compass/ MagnetometerNoNo
Proximity sensorNoNo
AccelerometerYesNo
Ambient light sensorNoNo
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo

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