Samsung Galaxy A31 vs Samsung Galaxy J7 (2017) comparison

Compare Samsung Galaxy A31
Compare Samsung Galaxy J7 (2017)
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.40-inch5.50-inch
ProcessorMediaTek Helio P65Samsung Exynos 7 Octa 7870
Front Camera20-megapixel 13-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel 13-megapixel
RAM6GB3GB
Storage128GB16GB
Battery Capacity5000mAh3600mAh
OSAndroid 10Android 7.0
Resolution1080x2400 pixels1080x1920 pixels
general
BrandSamsungSamsung
ModelGalaxy A31Galaxy J7 (2017)
Release dateMarch 24, 2020June 1, 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)159.30 x 73.10 x 8.60146.30 x 71.30 x 7.90
Weight (g)185.00-
Battery capacity (mAh)50003600
Removable batteryNoYes
Fast chargingProprietary-
Wireless chargingNo-
ColoursPrism Crush Black, Prism Crush Blue, Prism Crush WhiteBlack, Gold
display
Screen size (inches)6.405.50
TouchscreenYesYes
Resolution1080x2400 pixels1080x1920 pixels
Aspect ratio20:916:9
hardware
Processor2GHz octa-core (2x2GHz + 6x1.7GHz)1.6GHz octa-core
Processor makeMediaTek Helio P65Samsung Exynos 7 Octa 7870
RAM6GB3GB
Internal storage128GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512256
camera
Rear camera48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)13-megapixel (f/1.7)
Rear autofocusYes-
Rear flashYesLED
Front camera20-megapixel (f/2.2)13-megapixel (f/1.9)
Front flash-LED
software
Operating systemAndroid 10Android 7.0
SkinOne UI 2.1-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 b/g/n
GPSYesYes
BluetoothYesYes, v 4.10
NFCYesNo
USB Type-CYes-
Number of SIMs22
Infrared-No
USB OTG-No
Micro-USB-Yes
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesYes
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesYes
sensors
Face unlockYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesNo
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No

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