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Nokia 3.1 vs Nokia 2.1 vs Samsung Galaxy J7 Duo
Nokia 3.1
vs
Nokia 2.1
vs
Samsung Galaxy J7 Duo
comparison
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Nokia 3.1
Nokia 2.1
Samsung Galaxy J7 Duo
key specs
Display
5.20-inch
5.50-inch
5.50-inch
Processor
MediaTek MT6750
-
Samsung Exynos 7885
Front Camera
8-megapixel
5-megapixel
8-megapixel
Rear Camera
13-megapixel
8-megapixel
13-megapixel + 5-megapixel
RAM
2GB
1GB
4GB
Storage
16GB
8GB
32GB
Battery Capacity
2990mAh
4000mAh
3000mAh
OS
Android 8.0
Android 8.1
Android Oreo
Resolution
720x1440 pixels
720x1280 pixels
720x1280 pixels
general
Brand
Nokia
Nokia
Samsung
Model
3.1
2.1
Galaxy J7 Duo
Release date
May 1, 2018
May 1, 2018
March 1, 2018
Form factor
Touchscreen
Touchscreen
Touchscreen
Dimensions (mm)
146.25 x 68.65 x 8.70
153.70 x 77.70 x 9.35
153.50 x 77.20 x 8.20
Weight (g)
138.30
-
174.00
Battery capacity (mAh)
2990
4000
3000
Colours
Blue/ Copper, Black/ Chrome, White/ Iron
Blue/ Copper, Blue/ Silver, Grey/ Silver
Black and Gold
Launched in India
-
-
Yes
display
Screen size (inches)
5.20
5.50
5.50
Touchscreen
Yes
Yes
Yes
Resolution
720x1440 pixels
720x1280 pixels
720x1280 pixels
Aspect ratio
-
-
16:9
Pixels per inch (PPI)
-
-
267
hardware
Processor
octa-core
-
octa-core (2x2.2GHz + 6x1.6GHz)
Processor make
MediaTek MT6750
Qualcomm Snapdragon 425
Samsung Exynos 7885
RAM
2GB
1GB
4GB
Internal storage
16GB
8GB
32GB
Expandable storage
Yes
Yes
Yes
Expandable storage type
microSD
microSD
microSD
Expandable storage up to (GB)
128
128
256
camera
Rear camera
13-megapixel
8-megapixel
13-megapixel (f/1.9) + 5-megapixel (f/1.9)
Rear flash
LED
LED
LED
Front camera
8-megapixel
5-megapixel
8-megapixel (f/1.9)
Rear autofocus
-
-
Yes
Front flash
-
-
LED
software
Operating system
Android 8.0
Android 8.1
Android Oreo
connectivity
Wi-Fi
Yes
Yes
Yes
Wi-Fi standards supported
802.11 a/b/g/n/ac
802.11 a/b/g/n
802.11 a/b/g/n/ac
GPS
Yes
Yes
Yes
Bluetooth
Yes, v 5.00
Yes
Yes, v 5.00
Headphones
3.5mm
3.5mm
-
NFC
-
-
No
FM
-
-
Yes
Number of SIMs
-
-
2
sensors
Compass/ Magnetometer
Yes
-
No
Proximity sensor
Yes
Yes
Yes
Accelerometer
Yes
Yes
Yes
Ambient light sensor
Yes
Yes
-
Gyroscope
Yes
-
-
Fingerprint sensor
-
-
Yes
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