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Oppo A57 5G vs Oppo A31 (2020) comparison

 Compare Oppo A57 5G
Oppo A57 5G
Compare Oppo A31 (2020)
Oppo A31 (2020)
key specs
Display6.56-inch6.50-inch
ProcessorMediaTek Dimensity 810MediaTek Helio P35
Front Camera8-megapixel 8-megapixel
Rear Camera13-megapixel + 2-megapixel 12-megapixel + 2-megapixel + 2-megapixel
RAM6GB, 8GB4GB
Storage128GB64GB
Battery Capacity5000mAh4230mAh
OSAndroid 12Android 9
Resolution720x1612 pixels720x1600 pixels
general
BrandOppoOppo
ModelA57 5GA31 (2020)
Release dateApril 1, 2022February 14, 2020
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.80 x 75.10 x 7.99163.90 x 75.50 x 8.30
Weight (g)186.00180.00
Battery capacity (mAh)50004230
ColoursBlack, Blue, LilacMystery Black, Fantasy White
Body type-Plastic
Removable battery-No
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.566.50
TouchscreenYesYes
Resolution720x1612 pixels720x1600 pixels
Pixels per inch (PPI)269-
Aspect ratio-20:9
hardware
Processorocta-core2.3GHz octa-core
Processor makeMediaTek Dimensity 810MediaTek Helio P35 (MT6765)
RAM6GB, 8GB4GB
Internal storage128GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-256
Dedicated microSD slot-Yes
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/1.8) + 2-megapixel (f/2.4, 1.75-micron) + 2-megapixel (f/2.4, 1.75-micron)
No. of Rear Cameras2-
Rear autofocusYesYes
Rear flashYesYes
Front camera8-megapixel (f/2.0)8-megapixel (f/2.0)
No. of Front Cameras1-
Pop-Up Camera-No
Front autofocus-No
Front flash-No
software
Operating systemAndroid 12Android 9
SkinColorOS 12.1ColorOS 6.1.2
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.20Yes, v 5.00
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
NFC-No
Micro-USB-Yes
FM-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Face unlock-Yes

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