Oppo A8 vs Oppo A31 comparison

Compare Oppo A8
Compare Oppo A31
key specs
Display6.50-inch4.50-inch
Processorocta-coreQualcomm Snapdragon 410
Rear Camera12-megapixel + 2-megapixel + 2-megapixel8-megapixel
RAM4GB1GB
Storage128GB8GB
Battery Capacity4230mAh2000mAh
OSAndroid 9Android 4.4
Resolution720x1600 pixels480x854 pixels
Front Camera-5-megapixel
general
BrandOppoOppo
ModelA8A31
Release dateDecember 20, 2019April 1, 2015
Form factorTouchscreenTouchscreen
Battery capacity (mAh)42302000
ColoursAzure, Black-
Dimensions (mm)-131.90 x 65.54 x 8.03
Weight (g)-135.00
Removable battery-No
display
Screen size (inches)6.504.50
TouchscreenYesYes
Resolution720x1600 pixels480x854 pixels
hardware
Processorocta-core1.4GHz quad-core
RAM4GB1GB
Internal storage128GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Dedicated microSD slotYes-
Processor make-Qualcomm Snapdragon 410
camera
Rear camera12-megapixel + 2-megapixel + 2-megapixel8-megapixel
Rear autofocusYes-
Rear flashYesLED
Front flashNo-
Front camera-5-megapixel
software
Operating systemAndroid 9Android 4.4
SkinColorOS 6.1ColorOS 2.0.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n-
BluetoothYesYes
HeadphonesYesYes
Number of SIMs22
Active 4G on both SIM cardsYes-
GPS-Yes
NFC-No
Infrared-No
USB OTG-No
FM-No
Wi-Fi Direct-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
3GYesNo
4G/ LTEYesYes
GSM/CDMA-GSM
sensors
Fingerprint sensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-No
Gyroscope-No
Barometer-No
Temperature sensor-No

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