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Nokia 3.1 vs Nokia 2.1 vs Samsung Galaxy J7 Duo comparison

 Compare Nokia 3.1
Nokia 3.1
Compare Nokia 2.1
Nokia 2.1
Compare Samsung Galaxy J7 Duo
Samsung Galaxy J7 Duo
key specs
Display5.20-inch5.50-inch5.50-inch
ProcessorMediaTek MT6750-Samsung Exynos 7885
Front Camera8-megapixel5-megapixel8-megapixel
Rear Camera13-megapixel8-megapixel13-megapixel + 5-megapixel
RAM2GB1GB4GB
Storage16GB8GB32GB
Battery Capacity2990mAh4000mAh3000mAh
OSAndroid 8.0Android 8.1Android Oreo
Resolution720x1440 pixels720x1280 pixels720x1280 pixels
general
BrandNokiaNokiaSamsung
Model3.12.1Galaxy J7 Duo
Release dateMay 1, 2018May 1, 2018March 1, 2018
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)146.25 x 68.65 x 8.70153.70 x 77.70 x 9.35153.50 x 77.20 x 8.20
Weight (g)138.30-174.00
Battery capacity (mAh)299040003000
ColoursBlue/ Copper, Black/ Chrome, White/ IronBlue/ Copper, Blue/ Silver, Grey/ SilverBlack and Gold
Launched in India--Yes
display
Screen size (inches)5.205.505.50
TouchscreenYesYesYes
Resolution720x1440 pixels720x1280 pixels720x1280 pixels
Aspect ratio--16:9
Pixels per inch (PPI)--267
hardware
Processorocta-core-octa-core (2x2.2GHz + 6x1.6GHz)
Processor makeMediaTek MT6750Qualcomm Snapdragon 425Samsung Exynos 7885
RAM2GB1GB4GB
Internal storage16GB8GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)128128256
camera
Rear camera13-megapixel8-megapixel13-megapixel (f/1.9) + 5-megapixel (f/1.9)
Rear flashLEDLEDLED
Front camera8-megapixel5-megapixel8-megapixel (f/1.9)
Rear autofocus--Yes
Front flash--LED
software
Operating systemAndroid 8.0Android 8.1Android Oreo
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYes, v 5.00YesYes, v 5.00
Headphones3.5mm3.5mm-
NFC--No
FM--Yes
Number of SIMs--2
sensors
Compass/ MagnetometerYes-No
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYes-
GyroscopeYes--
Fingerprint sensor--Yes

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