Oppo A3s vs Vivo Y81 vs Samsung Galaxy J4 vs Huawei Y6 2018 comparison

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key specs
Display6.20-inch6.22-inch5.50-inch5.70-inch
ProcessorQualcomm Snapdragon 450MediaTek Helio P22 Samsung Exynos 7570Qualcomm Snapdragon 425
Front Camera8-megapixel 5-megapixel 5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel 13-megapixel 13-megapixel
RAM2GB3GB2GB2GB
Storage16GB32GB16GB16GB
Battery Capacity4230mAh3260mAh3000mAh3000mAh
OSAndroid 8.1 OreoAndroid 8.1Android 8.0Android 8.0
Resolution720x1520 pixels720x1520 pixels720x1280 pixels720x1440 pixels
general
BrandOppoVivoSamsungHuawei
ModelA3sY81Galaxy J4Y6 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20155.06 x 75.00 x 7.77151.70 x 77.20 x 8.10152.40 x 73.00 x 7.80
Weight (g)168.00146.50175.00150.00
Battery capacity (mAh)4230326030003000
ColoursRed, Dark PurpleBlackBlack, Orchid Gray, GoldBlue, Black, Golden
Release date-June 1, 2018May 1, 2018April 1, 2018
Launched in India-YesYes-
Body type-Plastic--
Removable battery--Yes-
display
Screen size (inches)6.206.225.505.70
TouchscreenYesYesYesYes
Resolution720x1520 pixels720x1520 pixels720x1280 pixels720x1440 pixels
Aspect ratio19:919:916:9-
Pixels per inch (PPI)-270--
hardware
Processor1.8GHz octa-core2GHz octa-core1.4GHz quad-core1.4GHz quad-core
Processor makeQualcomm Snapdragon 450MediaTek Helio P22 (MT6762)Samsung Exynos 7570Qualcomm Snapdragon 425
RAM2GB3GB2GB2GB
Internal storage16GB32GB16GB16GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256256
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)13-megapixel (f/1.9)13-megapixel
Rear autofocusYesPhase detection autofocusYes-
Rear flashLEDLEDLEDLED
Front camera8-megapixel (f/2.2)5-megapixel (f/2.2)5-megapixel (f/2.2)5-megapixel
Front flash--LED-
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 8.0Android 8.0
SkinColorOS 5.1FunTouch OS 4.0-EMUI 8.0
connectivity
Wi-FiYesYesYesYes
GPSYesYesYes-
BluetoothYes, v 4.20Yes, v 5.00Yes, v 4.20Yes, v 4.20
Micro-USBYesYesYes-
Headphones3.5mm3.5mm--
Wi-Fi DirectYesYes--
Wi-Fi standards supported-802.11 b/g/n802.11 b/g/n802.11 b/g/n
Number of SIMs-222
FM--Yes-
sensors
Compass/ MagnetometerYesYes--
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensor---Yes
sim 1
SIM Type-Nano-SIMMicro-SIMNano-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes
sim 2
SIM Type-Nano-SIMMicro-SIMNano-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYes-
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