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Oppo A3s vs Oppo A83 vs Samsung Galaxy J7 Nxt comparison

 Compare Oppo A3s
Oppo A3s
Compare Oppo A83
Oppo A83
Compare Samsung Galaxy J7 Nxt
Samsung Galaxy J7 Nxt
key specs
Display6.20-inch5.70-inch5.50-inch
ProcessorQualcomm Snapdragon 450MediaTek MT6737T1.6GHz octa-core
Front Camera8-megapixel 8-megapixel5-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel13-megapixel
RAM2GB3GB2GB
Storage16GB32GB16GB
Battery Capacity4230mAh3180mAh3000mAh
OSAndroid 8.1 OreoAndroid 7.1Android 7.0
Resolution720x1520 pixels720x1440 pixels720x1280 pixels
general
BrandOppoOppoSamsung
ModelA3sA83Galaxy J7 Nxt
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20150.50 x 73.10 x 7.70152.40 x 78.60 x 7.60
Weight (g)168.00143.00170.00
Battery capacity (mAh)423031803000
ColoursRed, Dark PurpleChampagne, BlackBlack, Gold
Release date-December 1, 2017July 1, 2017
Removable battery--No
display
Screen size (inches)6.205.705.50
TouchscreenYesYesYes
Resolution720x1520 pixels720x1440 pixels720x1280 pixels
Aspect ratio19:918:9-
hardware
Processor1.8GHz octa-core2.5GHz octa-core1.6GHz octa-core
Processor makeQualcomm Snapdragon 450MediaTek MT6737T-
RAM2GB3GB2GB
Internal storage16GB32GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel13-megapixel
Rear autofocusYes--
Rear flashLEDLEDLED
Front camera8-megapixel (f/2.2)8-megapixel5-megapixel
Front flash--LED
software
Operating systemAndroid 8.1 OreoAndroid 7.1Android 7.0
SkinColorOS 5.1ColorOS 3.2-
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.10
Micro-USBYesYes-
Headphones3.5mm3.5mmYes
Wi-Fi DirectYes-No
Wi-Fi standards supported-802.11 a/b/g/n802.11 b/g/n
NFC-NoNo
Infrared-NoNo
USB OTG-YesNo
FM-YesNo
Number of SIMs-22
Mobile High-Definition Link (MHL)--No
sensors
Compass/ MagnetometerYes-No
Proximity sensorYesYesYes
AccelerometerYesYesYes
Face unlock-Yes-
Ambient light sensor-YesYes
Gyroscope--No
Barometer--No
Temperature sensor--No
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-SIMMicro-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
sim 2
SIM Type-Nano-SIMMicro-SIM
GSM/CDMA-GSMGSM
3G-YesNo
4G/ LTE-YesNo

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