Oppo A3s vs Vivo Y83 comparison

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general
Form factorTouchscreenTouchscreen--
Dimensions (mm)156.20 x 75.60 x 8.20155.21 x 75.24 x 7.70--
Weight (g)168.00150.00--
Battery capacity (mAh)42303260--
ColoursRed, Dark PurpleAurora white, Polar Black and CharmRed--
Release date-May 2018--
Launched in India-Yes--
display
Screen size (inches)6.206.22--
TouchscreenYesYes--
Resolution720x1520 pixels720x1520 pixels--
Aspect ratio19:919:9--
Pixels per inch (PPI)-270--
hardware
Processor1.8GHz octa-core2GHz octa-core--
Processor makeSnapdragon 450MediaTek Helio P22--
RAM2GB4GB--
Internal storage16GB64GB--
Expandable storageYesYes--
Expandable storage typemicroSDmicroSD--
Expandable storage up to (GB)256256--
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)--
Rear autofocusYesPhase detection autofocus--
Rear flashLEDLED--
Front camera8-megapixel (f/2.2)8-megapixel (f/2.2)--
software
Operating systemAndroid 8.1 OreoAndroid 8.0--
SkinColorOS 5.1FunTouch OS 4.0--
connectivity
Wi-FiYesYes--
GPSYesYes--
BluetoothYes, v 4.20Yes--
Micro-USBYesYes--
Headphones3.5mm---
USB OTG-Yes--
FM-Yes--
Number of SIMs-2--
sensors
Compass/ MagnetometerYes---
Proximity sensorYesYes--
AccelerometerYes---
Face unlock-Yes--
Fingerprint sensor-Yes--
Ambient light sensor-Yes--
Gyroscope-Yes--
sim 1
SIM Type-Nano-SIM--
GSM/CDMA-GSM + CDMA--
3G-Yes--
4G/ LTE-Yes--
sim 2
SIM Type-Nano-SIM--
GSM/CDMA-GSM + CDMA--
3G-Yes--
4G/ LTE-Yes--