Karbonn A40 Indian vs Oppo A71 vs Samsung Galaxy On7 Pro comparison

Compare Karbonn A40 Indian
Compare Oppo A71
Compare Samsung Galaxy On7 Pro
ratings
Overall NDTV RatingRead Review--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display4.00-inch5.20-inch5.50-inch
ProcessorSpreadtrum SC9832AMediaTek MT67501.2GHz quad-core
Front Camera0.3-megapixel5-megapixel 5-megapixel
Rear Camera2-megapixel13-megapixel 13-megapixel
RAM1GB3GB2GB
Storage8GB16GB16GB
Battery Capacity1400mAh3000mAh3000mAh
OSAndroid 7.0Android 7.1Android 6.0
Resolution480x800 pixels720x1280 pixels720x1280 pixels
general
BrandKarbonnOppoSamsung
ModelA40 IndianA71Galaxy On7 Pro
Release dateJuly 1, 2017September 1, 2017July 1, 2016
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)122.95 x 64.30 x 10.50148.10 x 73.80 x 7.60151.80 x 77.50 x 8.20
Weight (g)118.00137.00172.00
Battery capacity (mAh)140030003000
Removable batteryYesNoYes
ColoursBlue, Coffee Brown, Black, ChampagneGold, Black-
SAR value1.39--
Launched in India-Yes-
display
Screen size (inches)4.005.205.50
TouchscreenYesYesYes
Resolution480x800 pixels720x1280 pixels720x1280 pixels
Aspect ratio-16:9-
Pixels per inch (PPI)-282-
hardware
Processor1.3GHz quad-coreocta-core (4x1.5GHz + 4x1GHz)1.2GHz quad-core
Processor makeSpreadtrum SC9832AMediaTek MT6750-
RAM1GB3GB2GB
Internal storage8GB16GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)32256128
camera
Rear camera2-megapixel13-megapixel (f/2.2)13-megapixel
Rear flashYesLEDLED
Front camera0.3-megapixel5-megapixel (f/2.4)5-megapixel
Rear autofocus-Phase detection autofocus-
software
Operating systemAndroid 7.0Android 7.1Android 6.0
Skin-Color OS-
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n-
GPSNoYesYes
BluetoothYes, v 4.00Yes, v 4.00Yes, v 4.20
NFCNoNoNo
InfraredNoNoNo
USB OTGNoYesNo
Headphones3.5mm3.5mm3.5mm
FMYesYesYes
Number of SIMs222
Wi-Fi DirectNoNoNo
Mobile High-Definition Link (MHL)NoNoNo
Micro-USB-Yes-
sim 1
SIM TypeRegularNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeRegularNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Compass/ MagnetometerNoYesNo
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorNoYesYes
GyroscopeNoNoYes
BarometerNoNoNo
Temperature sensorNoNoNo

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