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Samsung Galaxy A31 vs Samsung Galaxy A7 Duos comparison

 Compare Samsung Galaxy A31
Samsung Galaxy A31
Compare Samsung Galaxy A7 Duos
Samsung Galaxy A7 Duos
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 P65Qualcomm Snapdragon 615
Front Camera20-megapixel 5-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel 13-megapixel
RAM6GB2GB
Storage128GB16GB
Battery Capacity5000mAh2600mAh
OSAndroid 10Android 4.4
Resolution1080x2400 pixels1080x1920 pixels
general
BrandSamsungSamsung
ModelGalaxy A31Galaxy A7 Duos
Release dateMarch 24, 2020-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)159.30 x 73.10 x 8.60151.00 x 76.20 x 6.30
Weight (g)185.00141.00
Battery capacity (mAh)50002600
Removable batteryNoNo
Fast chargingProprietary-
Wireless chargingNo-
ColoursPrism Crush Black, Prism Crush Blue, Prism Crush WhiteWhite, Gold, Black
display
Screen size (inches)6.405.50
TouchscreenYesYes
Resolution1080x2400 pixels1080x1920 pixels
Aspect ratio20:9-
Pixels per inch (PPI)-401
hardware
Processor2GHz octa-core (2x2GHz + 6x1.7GHz)1GHz octa-core
Processor makeMediaTek Helio P65Qualcomm Snapdragon 615
RAM6GB2GB
Internal storage128GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)51264
camera
Rear camera48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)13-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera20-megapixel (f/2.2)5-megapixel
software
Operating systemAndroid 10Android 4.4
SkinOne UI 2.1TouchWiz UI
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 a/b/g/n
GPSYesYes
BluetoothYesYes, v 4.00
NFCYesNo
USB Type-CYes-
Number of SIMs22
Infrared-No
USB OTG-No
Headphones-3.5mm
FM-Yes
Wi-Fi Direct-Yes
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-No
Barometer-No
Temperature sensor-No

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