Oppo F9 Pro vs Oppo A3s vs Vivo Y81 vs Vivo Y71 comparison

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ratings
Overall NDTV RatingRead Review---
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
key specs
Display6.30-inch6.20-inch6.22-inch6.00-inch
ProcessorMediaTek Helio P60 Qualcomm Snapdragon 450MediaTek Helio P22 Qualcomm Snapdragon 425
Front Camera25-megapixel 8-megapixel 5-megapixel 5-megapixel
Rear Camera16-megapixel + 2-megapixel 13-megapixel + 2-megapixel 13-megapixel 13-megapixel
RAM6GB2GB3GB3GB
Storage64GB16GB32GB16GB
Battery Capacity3500mAh4230mAh3260mAh3360mAh
OSAndroid OreoAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo
Resolution1080x2340 pixels720x1520 pixels720x1520 pixels720x1440 pixels
general
BrandOppoOppoVivoVivo
ModelF9 ProA3sY81Y71
Release dateAugust 1, 2018-June 1, 2018April 1, 2018
Launched in IndiaYes-YesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.70 x 74.00 x 7.90156.20 x 75.60 x 8.20155.06 x 75.00 x 7.77155.90 x 75.70 x 7.80
Weight (g)169.00168.00146.50150.00
Battery capacity (mAh)3500423032603360
Fast chargingVOOC---
ColoursSunrise Red, Twilight Blue, Starry PurpleRed, Dark PurpleBlackBlack, Gold
Body type--Plastic-
display
Screen size (inches)6.306.206.226.00
TouchscreenYesYesYesYes
Resolution1080x2340 pixels720x1520 pixels720x1520 pixels720x1440 pixels
Aspect ratio19.5:919:919:918:9
Pixels per inch (PPI)--270-
hardware
Processor2GHz octa-core1.8GHz octa-core2GHz octa-core1.4GHz quad-core
Processor makeMediaTek Helio P60 (MT6771)Qualcomm Snapdragon 450MediaTek Helio P22 (MT6762)Qualcomm Snapdragon 425
RAM6GB2GB3GB3GB
Internal storage64GB16GB32GB16GB
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)256256256-
Dedicated microSD slotYes---
camera
Rear camera16-megapixel (f/1.8) + 2-megapixel (f/2.4)13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)13-megapixel
Rear autofocusYesYesPhase detection autofocus-
Rear flashYesLEDLED-
Front camera25-megapixel (f/2.0)8-megapixel (f/2.2)5-megapixel (f/2.2)5-megapixel
software
Operating systemAndroid OreoAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo
SkinColor OS 5.2ColorOS 5.1FunTouch OS 4.0FunTouch OS
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-802.11 b/g/n802.11 b/g/n
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 5.00Yes, v 4.20
NFCNo---
InfraredNo---
USB OTGYes---
Micro-USBYesYesYesYes
LightningNo---
Headphones3.5mm3.5mm3.5mm3.5mm
Number of SIMs2-22
Wi-Fi Direct-YesYesYes
FM---Yes
sim 1
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sim 2
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sensors
Face unlockYes---
Fingerprint sensorYes---
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYes--Yes
Gyroscope---Yes
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