Oppo A9 2020 vs Oppo A31 comparison

Compare Oppo A9 2020
Compare Oppo A31
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.50-inch4.50-inch
ProcessorQualcomm Snapdragon 665Qualcomm Snapdragon 410
Front Camera16-megapixel5-megapixel
Rear Camera48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel8-megapixel
RAM4GB1GB
Storage128GB8GB
Battery Capacity5000mAh2000mAh
OSAndroid 9 PieAndroid 4.4
Resolution720x1600 pixels480x854 pixels
general
BrandOppoOppo
ModelA9 2020A31
Release date11th September 2019April 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Thickness9.1-
Weight (g)195.00135.00
Battery capacity (mAh)50002000
ColoursMarine Green, Space Purple-
Dimensions (mm)-131.90 x 65.54 x 8.03
Removable battery-No
display
Screen size (inches)6.504.50
TouchscreenYesYes
Resolution720x1600 pixels480x854 pixels
Protection typeGorilla Glass-
hardware
Processorocta-core1.4GHz quad-core
Processor makeQualcomm Snapdragon 665Qualcomm Snapdragon 410
RAM4GB1GB
Internal storage128GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Dedicated microSD slotYes-
camera
Rear camera48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel8-megapixel
Rear flashYesLED
Front camera16-megapixel5-megapixel
software
Operating systemAndroid 9 PieAndroid 4.4
SkinColorOS 6.0.1ColorOS 2.0.1
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes
Number of SIMs22
Wi-Fi DirectYesNo
Active 4G on both SIM cardsYes-
NFC-No
Infrared-No
USB OTG-No
Headphones-Yes
FM-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
3GYesYes
4G/ LTEYesYes
GSM/CDMA-GSM
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-No
Gyroscope-No
Barometer-No
Temperature sensor-No
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