Oppo A31 (2020) vs Oppo A75 comparison

Compare Oppo A31 (2020)
Compare Oppo A75s
key specs
Display6.50-inch6.00-inch
ProcessorMediaTek Helio P35 MediaTek Helio P23
Front Camera8-megapixel 20-megapixel
Rear Camera12-megapixel + 2-megapixel + 2-megapixel 16-megapixel
RAM4GB4GB
Storage64GB64GB
Battery Capacity4230mAh3200mAh
OSAndroid 9Android 7.1
Resolution720x1600 pixels1080x2160 pixels
general
BrandOppoOppo
ModelA31 (2020)A75s
Release dateFebruary 14, 2020December 1, 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)163.90 x 75.50 x 8.30156.50 x 76.00 x 7.50
Weight (g)180.00152.00
Battery capacity (mAh)42303200
Removable batteryNo-
ColoursMystery Black, Fantasy WhiteChampagne, Black
display
Screen size (inches)6.506.00
TouchscreenYesYes
Resolution720x1600 pixels1080x2160 pixels
Aspect ratio20:9-
hardware
Processor2.3GHz octa-core2.5GHz octa-core
Processor makeMediaTek Helio P35 (MT6765)MediaTek Helio P23 (MT6763T)
RAM4GB4GB
Internal storage64GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
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)16-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera8-megapixel (f/2.0)20-megapixel
Pop-Up CameraNo-
Front autofocusNo-
Front flashNo-
software
Operating systemAndroid 9Android 7.1
SkinColorOS 6.1.2Color OS 3.2
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.20
NFCNo-
Micro-USBYes-
Headphones3.5mm3.5mm
FMYes-
Number of SIMs22
USB OTG-Yes
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-
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
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