Oppo R17 vs Oppo A3s vs Vivo V9 Youth comparison

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key specs
Display6.40-inch6.20-inch6.30-inch
ProcessorQualcomm Snapdragon 670Qualcomm Snapdragon 450Qualcomm Snapdragon 450
Front Camera25-megapixel 8-megapixel 16-megapixel
Rear Camera16-megapixel + 5-megapixel13-megapixel + 2-megapixel 16-megapixel + 2-megapixel
RAM8GB2GB4GB
Storage128GB16GB32GB
Battery Capacity3500mAh4230mAh3260mAh
OSAndroid 8.1Android 8.1 OreoAndroid 8.1
Resolution1080x2280 pixels720x1520 pixels1080x2280 pixels
general
BrandOppoOppoVivo
ModelR17A3sV9 Youth
Release dateAugust 1, 2018-April 1, 2018
Form factorTouchscreenTouchscreenTouchscreen
Battery capacity (mAh)350042303260
Fast chargingVOOC--
ColoursStreamer Blue, Neon PurpleRed, Dark PurpleBlack, Gold
Dimensions (mm)-156.20 x 75.60 x 8.20154.80 x 75.10 x 7.90
Weight (g)-168.00150.00
Launched in India--Yes
Body type--Plastic
display
Screen size (inches)6.406.206.30
TouchscreenYesYesYes
Resolution1080x2280 pixels720x1520 pixels1080x2280 pixels
Aspect ratio19:919:919:9
Pixels per inch (PPI)374-400
Protection type--Gorilla Glass
hardware
Processorocta-core (2x2GHz + 6x1.7GHz)1.8GHz octa-core1.8GHz octa-core
Processor makeQualcomm Snapdragon 670Qualcomm Snapdragon 450Qualcomm Snapdragon 450
RAM8GB2GB4GB
Internal storage128GB16GB32GB
Expandable storageNoYesYes
Expandable storage type-microSDmicroSD
Expandable storage up to (GB)-256256
camera
Rear camera16-megapixel (f/1.8, 1.22-micron) + 5-megapixel13-megapixel (f/2.2) + 2-megapixel (f/2.4)16-megapixel + 2-megapixel
Rear autofocusPhase detection autofocusYesPhase detection autofocus
Rear flashDual LEDLEDYes
Front camera25-megapixel (f/2.0)8-megapixel (f/2.2)16-megapixel (f/2.0)
software
Operating systemAndroid 8.1Android 8.1 OreoAndroid 8.1
SkinColorOS 5.2ColorOS 5.1Funtouch OS 4.0
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.20
Micro-USBYesYesYes
Headphones3.5mm3.5mm3.5mm
Wi-Fi DirectYesYes-
Wi-Fi standards supported--802.11 a/b/g/n
FM--Yes
Number of SIMs--2
sensors
Fingerprint sensorYes-Yes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYes-Yes
GyroscopeYes-Yes
Compass/ Magnetometer-YesYes
sim 1
SIM Type--Nano-SIM
GSM/CDMA--GSM
3G--Yes
4G/ LTE--Yes
sim 2
SIM Type--Nano-SIM
GSM/CDMA--GSM
3G--Yes
4G/ LTE--Yes
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