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Oppo A3s vs Samsung Galaxy J4 vs Samsung Galaxy J7 Nxt comparison

 Compare Oppo A3s
Oppo A3s
Compare Samsung Galaxy J4
Samsung Galaxy J4
Compare Samsung Galaxy J7 Nxt
Samsung Galaxy J7 Nxt
key specs
Display6.20-inch5.50-inch5.50-inch
ProcessorQualcomm Snapdragon 450Samsung Exynos 75701.6GHz octa-core
Front Camera8-megapixel 5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel 13-megapixel
RAM2GB2GB2GB
Storage16GB16GB16GB
Battery Capacity4230mAh3000mAh3000mAh
OSAndroid 8.1 OreoAndroid 8.0Android 7.0
Resolution720x1520 pixels720x1280 pixels720x1280 pixels
general
BrandOppoSamsungSamsung
ModelA3sGalaxy J4Galaxy J7 Nxt
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20151.70 x 77.20 x 8.10152.40 x 78.60 x 7.60
Weight (g)168.00175.00170.00
Battery capacity (mAh)423030003000
ColoursRed, Dark PurpleBlack, Orchid Gray, GoldBlack, Gold
Release date-May 1, 2018July 1, 2017
Launched in India-Yes-
Removable battery-YesNo
display
Screen size (inches)6.205.505.50
TouchscreenYesYesYes
Resolution720x1520 pixels720x1280 pixels720x1280 pixels
Aspect ratio19:916:9-
hardware
Processor1.8GHz octa-core1.4GHz quad-core1.6GHz octa-core
Processor makeQualcomm Snapdragon 450Samsung Exynos 7570-
RAM2GB2GB2GB
Internal storage16GB16GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/1.9)13-megapixel
Rear autofocusYesYes-
Rear flashLEDLEDLED
Front camera8-megapixel (f/2.2)5-megapixel (f/2.2)5-megapixel
Front flash-LEDLED
software
Operating systemAndroid 8.1 OreoAndroid 8.0Android 7.0
SkinColorOS 5.1--
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.10
Micro-USBYesYes-
Headphones3.5mm-Yes
Wi-Fi DirectYes-No
Wi-Fi standards supported-802.11 b/g/n802.11 b/g/n
FM-YesNo
Number of SIMs-22
NFC--No
Infrared--No
USB OTG--No
Mobile High-Definition Link (MHL)--No
sensors
Compass/ MagnetometerYes-No
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensor--Yes
Gyroscope--No
Barometer--No
Temperature sensor--No
sim 1
SIM Type-Micro-SIMMicro-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
sim 2
SIM Type-Micro-SIMMicro-SIM
GSM/CDMA-GSMGSM
3G-YesNo
4G/ LTE-YesNo

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