Zen ultrafone 502 vs Karbonn K91 comparison

Compare Zen ultrafone 502
Compare Karbonn K91
key specs
Display4.50-inch2.40-inch
Processor1.2GHz dual-coreone-core
Front Camera1.3-megapixelNo
Rear Camera8-megapixel1.3-megapixel
RAM512MB-
Storage4GB64MB
Battery Capacity1700mAh1500mAh
OSAndroid 4.2Proprietary
Resolution540x960 pixels240x320 pixels
general
BrandZenKarbonn
Modelultrafone 502K91
Release dateOctober 2013February 2012
Form factorTouchscreenBar
Battery capacity (mAh)17001500
Removable batteryYesYes
Dimensions (mm)-118.00 x 50.00 x 13.60
Weight (g)-95.00
Colours-Red-Black, Red-White
display
Screen size (inches)4.502.40
TouchscreenYesNo
Resolution540x960 pixels240x320 pixels
hardware
Processor1.2GHz dual-coreone-core
RAM512MB-
Internal storage4GB64MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)328
camera
Rear camera8-megapixel1.3-megapixel
Rear flashYesNo
Front camera1.3-megapixelNo
software
Operating systemAndroid 4.2Proprietary
connectivity
Wi-FiYesNo
GPSNoNo
BluetoothYesYes
NFCNoNo
InfraredNoNo
USB OTGNoNo
Headphones3.5mm-
FMNoYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeRegularRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTENoNo
sim 2
SIM TypeRegularRegular
GSM/CDMAGSMGSM
3GNoNo
4G/ LTENoNo
sensors
Compass/ MagnetometerYesNo
Proximity sensorYesNo
AccelerometerYesNo
Ambient light sensorYesNo
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo
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