Oppo A3s vs Samsung Galaxy J3 (2018) vs Huawei Nova 2i comparison

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key specs
Display6.20-inch5.00-inch5.50-inch
ProcessorQualcomm Snapdragon 450Samsung Exynos 7570HiSilicon Kirin 659
Front Camera8-megapixel 5-megapixel 13-megapixel + 2-megapixel
Rear Camera13-megapixel + 2-megapixel 8-megapixel 16-megapixel + 2-megapixel
RAM2GB-4GB
Storage16GB-64GB
Battery Capacity4230mAh2600mAh3340mAh
OSAndroid 8.1 OreoAndroid 8.0Android 7.0
Resolution720x1520 pixels720x1080 pixels1080x2160 pixels
general
BrandOppoSamsungHuawei
ModelA3sGalaxy J3 (2018)Nova 2i
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20142.70 x 70.10 x 8.90156.20 x 75.00 x 7.50
Weight (g)168.00152.00164.00
Battery capacity (mAh)423026003340
ColoursRed, Dark PurpleBlack, Blue, GoldBlack, Blue, Gold
Release date-June 1, 2018October 1, 2017
Removable battery-YesNo
Body type--Metal
display
Screen size (inches)6.205.005.50
TouchscreenYesYesYes
Resolution720x1520 pixels720x1080 pixels1080x2160 pixels
Aspect ratio19:916:918:9
hardware
Processor1.8GHz octa-core1.4GHz quad-core1.7GHz octa-core
Processor makeQualcomm Snapdragon 450Samsung Exynos 7570HiSilicon Kirin 659
RAM2GB-4GB
Internal storage16GB-64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256-256
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)8-megapixel (f/1.9)16-megapixel + 2-megapixel
Rear autofocusYesYes-
Rear flashLEDLEDDual LED
Front camera8-megapixel (f/2.2)5-megapixel (f/2.2)13-megapixel + 2-megapixel
software
Operating systemAndroid 8.1 OreoAndroid 8.0Android 7.0
SkinColorOS 5.1-EMUI 5.1
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.20
Micro-USBYesYes-
Headphones3.5mm-3.5mm
Wi-Fi DirectYes-No
Wi-Fi standards supported--802.11 a/b/g/n/ac
NFC--Yes
Infrared--No
USB OTG--Yes
FM--Yes
Number of SIMs--2
Mobile High-Definition Link (MHL)--No
sensors
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Gyroscope-YesYes
Ambient light sensor--Yes
Barometer--No
Temperature sensor--No
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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