Oppo A31 (2020)vsOppo A9 comparison

Compare Oppo A31 (2020)
Compare Oppo A9
key specs
Display6.50-inch6.53-inch
ProcessorMediaTek Helio P35 MediaTek Helio P70
Front Camera8-megapixel 16-megapixel
Rear Camera12-megapixel + 2-megapixel + 2-megapixel 16-megapixel + 2-megapixel
RAM4GB4GB
Storage64GB128GB
Battery Capacity4230mAh4020mAh
OSAndroid 9Android Pie
Resolution720x1600 pixels1080x2340 pixels
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
general
BrandOppoOppo
ModelA31 (2020)A9
Release dateFebruary 14, 2020April 1, 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)163.90 x 75.50 x 8.30162.00 x 76.10 x 8.30
Weight (g)180.00190.00
Battery capacity (mAh)42304020
Removable batteryNo-
ColoursMystery Black, Fantasy WhiteMarble Green, Jade White, Fluorite Purple
display
Screen size (inches)6.506.53
TouchscreenYesYes
Resolution720x1600 pixels1080x2340 pixels
Aspect ratio20:9-
Protection type-Gorilla Glass
hardware
Processor2.3GHz octa-coreocta-core
Processor makeMediaTek Helio P35 (MT6765)MediaTek Helio P70
RAM4GB4GB
Internal storage64GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)256-
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 (f/1.8, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron)
Rear autofocusYesYes
Rear flashYesYes
Front camera8-megapixel (f/2.0)16-megapixel (f/2.0)
Pop-Up CameraNo-
Front autofocusNo-
Front flashNo-
software
Operating systemAndroid 9Android Pie
SkinColorOS 6.1.2ColorOS 6.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a
GPSYes-
BluetoothYes, v 5.00Yes, v 4.20
NFCNo-
Micro-USBYesYes
Headphones3.5mm-
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 unlockYesYes
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes

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