Samsung Galaxy J4 vs Nokia Lumia 638 comparison

Show Only Differences Highlight Differences	Samsung Galaxy J4	Nokia Lumia 638
key specs
Display	5.50-inch	4.50-inch
Processor	Samsung Exynos 7570	Qualcomm Snapdragon 400
Front Camera	5-megapixel	No
Rear Camera	13-megapixel	5-megapixel
RAM	2GB	1GB
Storage	16GB	8GB
Battery Capacity	3000mAh	1830mAh
OS	Android 8.0	Windows Phone 8.1
Resolution	720x1280 pixels	480x854 pixels
general
Brand	Samsung	Nokia
Model	Galaxy J4	Lumia 638
Release date	May 1, 2018	June 1, 2014
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	151.70 x 77.20 x 8.10	129.50 x 66.70 x 9.20
Weight (g)	175.00	-
Battery capacity (mAh)	3000	1830
Removable battery	Yes	No
Colours	Black, Orchid Gray, Gold	Orange, Black, Yellow, White
display
Screen size (inches)	5.50	4.50
Touchscreen	Yes	Yes
Resolution	720x1280 pixels	480x854 pixels
Aspect ratio	16:9	-
hardware
Processor	1.4GHz quad-core	1.2GHz quad-core
Processor make	Samsung Exynos 7570	Qualcomm Snapdragon 400
RAM	2GB	1GB
Internal storage	16GB	8GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	-
Expandable storage up to (GB)	256	128
camera
Rear camera	13-megapixel (f/1.9)	5-megapixel
Rear autofocus	Yes	-
Rear flash	LED	No
Front camera	5-megapixel (f/2.2)	No
Front flash	LED	-
software
Operating system	Android 8.0	Windows Phone 8.1
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes
Micro-USB	Yes	-
FM	Yes	No
Number of SIMs	2	1
NFC	-	No
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Micro-SIM	-
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Micro-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sensors
Proximity sensor	Yes	No
Accelerometer	Yes	No
Compass/ Magnetometer	-	No
Ambient light sensor	-	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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