Oppo A3s vs Xiaomi Redmi Y2 vs Vivo Y83 vs Vivo Y71 comparison

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key specs
Display6.20-inch5.99-inch6.22-inch6.00-inch
ProcessorQualcomm Snapdragon 450Qualcomm Snapdragon 625MediaTek Helio P22 Qualcomm Snapdragon 425
Front Camera8-megapixel 16-megapixel8-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 12-megapixel 13-megapixel 13-megapixel
RAM2GB3GB4GB3GB
Storage16GB32GB32GB16GB
Battery Capacity4230mAh3080mAh3260mAh3360mAh
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.0Android 8.1 Oreo
Resolution720x1520 pixels720x1440 pixels720x1520 pixels720x1440 pixels
general
BrandOppoXiaomiVivoVivo
ModelA3sRedmi Y2Y83Y71
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20160.73 x 77.26 x 8.10155.21 x 75.24 x 7.70155.90 x 75.70 x 7.80
Weight (g)168.00170.00150.00150.00
Battery capacity (mAh)4230308032603360
ColoursRed, Dark PurpleDark Grey, Gold, Rose GoldAurora white, Polar Black and CharmRedBlack, Gold
Release date-June 1, 2018May 1, 2018April 1, 2018
Launched in India-YesYesYes
Body type-Plastic--
Removable battery-No--
SAR value-1.12--
display
Screen size (inches)6.205.996.226.00
TouchscreenYesYesYesYes
Resolution720x1520 pixels720x1440 pixels720x1520 pixels720x1440 pixels
Aspect ratio19:918:919:918:9
Pixels per inch (PPI)--270-
hardware
Processor1.8GHz octa-core2GHz octa-core2GHz octa-core1.4GHz quad-core
Processor makeQualcomm Snapdragon 450Qualcomm Snapdragon 625MediaTek Helio P22 (MT6762)Qualcomm Snapdragon 425
RAM2GB3GB4GB3GB
Internal storage16GB32GB32GB16GB
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)256256256-
Dedicated microSD slot-Yes--
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/2.2, 1.25-micron)13-megapixel (f/2.2)13-megapixel
Rear autofocusYes-Phase detection autofocus-
Rear flashLEDLEDLED-
Front camera8-megapixel (f/2.2)16-megapixel8-megapixel (f/2.2)5-megapixel
Front flash-LED--
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.0Android 8.1 Oreo
SkinColorOS 5.1MIUI 9.5FunTouch OS 4.0FunTouch OS
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 4.20YesYes, v 4.20
Micro-USBYesYesYesYes
Headphones3.5mm3.5mm-3.5mm
Wi-Fi DirectYesYes-Yes
Wi-Fi standards supported-802.11 b/g/n-802.11 b/g/n
Infrared-Yes--
Number of SIMs-222
USB OTG--Yes-
FM--YesYes
sensors
Compass/ MagnetometerYesYes-Yes
Proximity sensorYesYesYesYes
AccelerometerYesYes-Yes
Fingerprint sensor-YesYes-
Ambient light sensor-YesYesYes
Gyroscope-YesYesYes
Face unlock--Yes-
ratings
Overall NDTV Rating-Read Review--
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
sim 1
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSMGSM + CDMAGSM
3G-YesYesYes
4G/ LTE-YesYesYes
sim 2
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSMGSM + CDMAGSM
3G-YesYesYes
4G/ LTE-YesYesYes
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