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Oppo A31 (2020) vs ZTE Grand S3 comparison

 Compare Oppo A31 (2020)
Oppo A31 (2020)
Compare ZTE Grand S3
ZTE Grand S3
key specs
Display6.50-inch5.50-inch
ProcessorMediaTek Helio P35 Qualcomm Snapdragon 801
Front Camera8-megapixel 8-megapixel
Rear Camera12-megapixel + 2-megapixel + 2-megapixel 16-megapixel
RAM4GB3GB
Storage64GB16GB
Battery Capacity4230mAh3100mAh
OSAndroid 9Android 4.4
Resolution720x1600 pixels1080x1920 pixels
general
BrandOppoZTE
ModelA31 (2020)Grand S3
Release dateFebruary 14, 2020March 1, 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)163.90 x 75.50 x 8.30154.00 x 77.00 x 9.80
Weight (g)180.00-
Battery capacity (mAh)42303100
Removable batteryNoNo
ColoursMystery Black, Fantasy White-
display
Screen size (inches)6.505.50
TouchscreenYesYes
Resolution720x1600 pixels1080x1920 pixels
Aspect ratio20:9-
hardware
Processor2.3GHz octa-core2.5GHz quad-core
Processor makeMediaTek Helio P35 (MT6765)Qualcomm Snapdragon 801 (MSM8974AC)
RAM4GB3GB
Internal storage64GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)25664
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)8-megapixel
Pop-Up CameraNo-
Front autofocusNo-
Front flashNo-
software
Operating systemAndroid 9Android 4.4
SkinColorOS 6.1.2-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n/ac
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.00
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-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
Barometer-No
Temperature sensor-No

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