Oppo A31 (2020)vsAdcom A-400i comparison

Compare Oppo A31 (2020)
Compare Adcom A-400i
key specs
Display6.50-inch4.00-inch
ProcessorMediaTek Helio P35 1GHz one-core
Front Camera8-megapixel 0.3-megapixel
Rear Camera12-megapixel + 2-megapixel + 2-megapixel 2-megapixel
RAM4GB256MB
Storage64GB512MB
Battery Capacity4230mAh1200mAh
OSAndroid 9Android 4.0
Resolution720x1600 pixels320x480 pixels
general
BrandOppoAdcom
ModelA31 (2020)A-400i
Release dateFebruary 14, 2020October 1, 2013
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)163.90 x 75.50 x 8.30-
Weight (g)180.00-
Battery capacity (mAh)42301200
Removable batteryNoYes
ColoursMystery Black, Fantasy White-
display
Screen size (inches)6.504.00
TouchscreenYesYes
Resolution720x1600 pixels320x480 pixels
Aspect ratio20:9-
hardware
Processor2.3GHz octa-core1GHz one-core
Processor makeMediaTek Helio P35 (MT6765)-
RAM4GB256MB
Internal storage64GB512MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)25632
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)2-megapixel
Rear autofocusYes-
Rear flashYes-
Front camera8-megapixel (f/2.0)0.3-megapixel
Pop-Up CameraNo-
Front autofocusNo-
Front flashNo-
software
Operating systemAndroid 9Android 4.0
SkinColorOS 6.1.2-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g
GPSYesNo
BluetoothYes, v 5.00Yes, v 2.10
NFCNoNo
Micro-USBYes-
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Infrared-No
USB OTG-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sim 2
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesNo
AccelerometerYesNo
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No

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