Karbonn A40 Indian vs Jio Phone vs Samsung Galaxy Core 2 vs Micromax Bolt A58 comparison

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Ratings
Overall NDTV Rating---
Design Rating---
Display Rating---
Software Rating---
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General
Release dateJuly 2017July 2017June 2014October 2013
Form factorTouchscreenBarTouchscreenTouchscreen
Dimensions (mm)--130.30 x 68.50 x 9.80-
Weight (g)249.00-138.00-
Battery capacity (mAh)1400200020001200
Removable batteryYesYesYesYes
ColoursBlack, Blue, Gold, RedBlack White, Black-
SAR ValueNANANANA
Display
Screen size (inches)4.002.404.503.50
TouchscreenYesNoYesYes
Resolution480x800 pixels240x320 pixels480x800 pixels320x480 pixels
Hardware
Processor1.3GHz 1.2GHz dual-core1.2GHz quad-core1GHz dual-core
Processor make-SPRD 9820A/QC8905-MTK 6572M
RAM1GB512MB768MB512MB
Internal storage8GB4GB4GB90MB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)321286432
Camera
Rear camera2-megapixel2-megapixel5-megapixel2-megapixel
FlashYesNoYesNo
Front camera2-megapixel0.3-megapixel0.3-megapixelNo
Software
Operating SystemAndroid 7.0KAI OS Android 4.4Android 4.2
Skin--TouchWiz Essence-
Connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supportedNANANA802.11 b/g/n
GPSYesYesYesNo
BluetoothYesYes, v 4.10YesYes, v 2.00
NFCNoYesNoNo
InfraredNoNoNoNo
Headphones3.5mmYes3.5mm3.5mm
FMYesYesYesYes
Number of SIMs2122
SIM1
SIM TypeMicro-SIMNano-SIMMicro-SIMRegular
GSM/CDMAGSMGSMGSMGSM
3GYesNoYesYes
4G/LTEYesYesNoNo
SIM2
SIM TypeMicro-SIM-Micro-SIMRegular
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/LTEYes-NoNo
Sensors
Compass/ MagnetometerNoNoNoNo
Proximity sensorNoNoYesNo
AccelerometerYesNoYesYes
Ambient light sensorNoNoNoNo
GyroscopeNoNoNoNo
BarometerNoNoNoNo
Temperature sensorNoNoNoNo