Oppo A3s vs Vivo V9 vs Oppo A71 (2018) comparison

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key specs
Display6.20-inch6.30-inch5.20-inch
ProcessorQualcomm Snapdragon 450Qualcomm Snapdragon 626Qualcomm Snapdragon 450
Front Camera8-megapixel 24-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 16-megapixel + 5-megapixel13-megapixel
RAM2GB4GB3GB
Storage16GB64GB16GB
Battery Capacity4230mAh3260mAh3000mAh
OSAndroid 8.1 OreoAndroid 8.1Android 7.1
Resolution720x1520 pixels1080x2280 pixels720x1280 pixels
general
BrandOppoVivoOppo
ModelA3sV9A71 (2018)
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20154.80 x 75.00 x 7.90148.10 x 73.80 x 7.60
Weight (g)168.00150.00137.00
Battery capacity (mAh)423032603000
ColoursRed, Dark PurplePearl Black, GoldBlack, Gold
Release date-March 1, 2018January 1, 2018
Launched in India-Yes-
Removable battery-No-
SAR value-1.38-
display
Screen size (inches)6.206.305.20
TouchscreenYesYesYes
Resolution720x1520 pixels1080x2280 pixels720x1280 pixels
Aspect ratio19:919:916:9
hardware
Processor1.8GHz octa-core2.2GHz octa-core1.8GHz octa-core
Processor makeQualcomm Snapdragon 450Qualcomm Snapdragon 626Qualcomm Snapdragon 450
RAM2GB4GB3GB
Internal storage16GB64GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)16-megapixel (f/2.0) + 5-megapixel13-megapixel (f/2.2, 1.12-micron)
Rear autofocusYesPhase detection autofocusPhase detection autofocus
Rear flashLEDDual LEDLED
Front camera8-megapixel (f/2.2)24-megapixel (f/2.0)5-megapixel
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 7.1
SkinColorOS 5.1FunTouch OS 4.0ColorOS 3.2
connectivity
Wi-FiYesYesYes
GPSYesYes-
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.20
Micro-USBYesYesYes
Headphones3.5mm3.5mm3.5mm
Wi-Fi DirectYes--
USB OTG-YesYes
FM-YesYes
Number of SIMs-22
Wi-Fi standards supported--802.11 b/g/n
sensors
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Face unlock-Yes-
Fingerprint sensor-Yes-
Ambient light sensor-YesYes
Gyroscope-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-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
sim 2
SIM Type-Nano-SIMNano-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
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