Samsung Galaxy A40 vs Samsung Galaxy J6 vs Samsung Galaxy J7 comparison

Compare Samsung Galaxy A40
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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
Display5.90-inch5.60-inch5.50-inch
Processor1.8GHz octa-core1.6GHz octa-core1.5GHz octa-core
Front Camera25-megapixel8-megapixel 5-megapixel
Resolution1080x2280 pixels720x1480 pixels720x1280 pixels
RAM4GB3GB1.5GB
OSAndroid 9.0 PieAndroid 8.0Android 5.1
Storage64GB32GB16GB
Rear Camera16-megapixel 13-megapixel 13-megapixel
Battery Capacity3100mAh3000mAh3000mAh
general
Release dateMarch 2019May 2018June 2015
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)144.30 x 69.10 x 7.90149.30 x 70.20 x 8.20152.40 x 78.60 x 7.50
Battery capacity (mAh)310030003000
ColoursBlue, Black, Orange, WhiteBlack, Blue, GoldBlack, White, Gold
Launched in India-YesYes
Body type-PlasticPlastic
Weight (g)-154.00171.00
Removable battery-NoYes
display
Screen size (inches)5.905.605.50
TouchscreenYesYesYes
Resolution1080x2280 pixels720x1480 pixels720x1280 pixels
Aspect ratio19:918.5:916:9
Protection type-Gorilla Glass-
Pixels per inch (PPI)-293-
hardware
Processor1.8GHz octa-core1.6GHz octa-core1.5GHz octa-core
Processor makeSamsung Exynos 7885Exynos 7870Samsung Exynos 7580
RAM4GB3GB1.5GB
Internal storage64GB32GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)-256128
camera
Rear camera16-megapixel (f/2.0)13-megapixel (f/1.9)13-megapixel (f/1.9)
Rear autofocusYesYesYes
Rear flashYesLEDLED
Front camera25-megapixel8-megapixel (f/1.9)5-megapixel (f/2.2)
Front flash-LEDLED
software
Operating systemAndroid 9.0 PieAndroid 8.0Android 5.1
SkinOne UISamsung Experience 9.0TouchWiz UI
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.10
NFCYes-No
USB Type-CYes--
Headphones3.5mm3.5mm3.5mm
Number of SIMs222
Wi-Fi standards supported-802.11 b/g/n802.11 b/g/n
Micro-USB-YesYes
FM-YesYes
Infrared--No
USB OTG--Yes
sim 1
SIM TypeNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesNo
sensors
Face unlockYes--
Fingerprint sensorYesYes-
Compass/ MagnetometerYes-No
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYes-No
GyroscopeYes-No
Barometer--No
Temperature sensor--No