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Oppo A31 (2020) vs Samsung Galaxy J7 comparison

 Compare Oppo A31 (2020)
Oppo A31 (2020)
Compare Samsung Galaxy J7
Samsung Galaxy J7
key specs
Display6.50-inch5.50-inch
ProcessorMediaTek Helio P35 Samsung Exynos 7 Octa 7580
Front Camera8-megapixel 5-megapixel
Rear Camera12-megapixel + 2-megapixel + 2-megapixel 13-megapixel
RAM4GB1.5GB
Storage64GB16GB
Battery Capacity4230mAh3000mAh
OSAndroid 9Android 5.1
Resolution720x1600 pixels720x1280 pixels
general
BrandOppoSamsung
ModelA31 (2020)Galaxy J7
Release dateFebruary 14, 2020June 1, 2015
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typePlasticPlastic
Dimensions (mm)163.90 x 75.50 x 8.30152.40 x 78.60 x 7.50
Weight (g)180.00171.00
Battery capacity (mAh)42303000
Removable batteryNoYes
ColoursMystery Black, Fantasy WhiteBlack, White, Gold
display
Screen size (inches)6.505.50
TouchscreenYesYes
Resolution720x1600 pixels720x1280 pixels
Aspect ratio20:916:9
hardware
Processor2.3GHz octa-core1.5GHz octa-core
Processor makeMediaTek Helio P35 (MT6765)Samsung Exynos 7 Octa 7580
RAM4GB1.5GB
Internal storage64GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Dedicated microSD slotYes-
camera
Rear camera12-megapixel (f/1.8) + 2-megapixel (f/2.4, 1.75-micron) + 2-megapixel (f/2.4, 1.75-micron)13-megapixel (f/1.9)
Rear autofocusYesYes
Rear flashYesLED
Front camera8-megapixel (f/2.0)5-megapixel (f/2.2)
Pop-Up CameraNo-
Front autofocusNo-
Front flashNoLED
software
Operating systemAndroid 9Android 5.1
SkinColorOS 6.1.2TouchWiz UI
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.10
NFCNoNo
Micro-USBYesYes
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Infrared-No
USB OTG-Yes
Wi-Fi Direct-Yes
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No

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