Samsung Galaxy A40 vs Samsung Galaxy J7 Duo comparison

Show Only Differences Highlight Differences	Samsung Galaxy A40	Samsung Galaxy J7 Duo
key specs
Display	5.90-inch	5.50-inch
Processor	Samsung Exynos 7885	Samsung Exynos 7885
Front Camera	25-megapixel	8-megapixel
Rear Camera	16-megapixel	13-megapixel + 5-megapixel
RAM	4GB	4GB
Storage	64GB	32GB
Battery Capacity	3100mAh	3000mAh
OS	Android 9.0 Pie	Android Oreo
Resolution	1080x2280 pixels	720x1280 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A40	Galaxy J7 Duo
Release date	March 1, 2019	March 1, 2018
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	144.30 x 69.10 x 7.90	153.50 x 77.20 x 8.20
Battery capacity (mAh)	3100	3000
Colours	Blue, Black, Orange, White	Black and Gold
Launched in India	-	Yes
Weight (g)	-	174.00
display
Screen size (inches)	5.90	5.50
Touchscreen	Yes	Yes
Resolution	1080x2280 pixels	720x1280 pixels
Aspect ratio	19:9	16:9
Pixels per inch (PPI)	-	267
hardware
Processor	1.8GHz octa-core	octa-core (2x2.2GHz + 6x1.6GHz)
Processor make	Samsung Exynos 7885	Samsung Exynos 7885
RAM	4GB	4GB
Internal storage	64GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	-	256
camera
Rear camera	16-megapixel (f/2.0)	13-megapixel (f/1.9) + 5-megapixel (f/1.9)
Rear autofocus	Yes	Yes
Rear flash	Yes	LED
Front camera	25-megapixel	8-megapixel (f/1.9)
Front flash	-	LED
software
Operating system	Android 9.0 Pie	Android Oreo
Skin	One UI	-
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 5.00
NFC	Yes	No
USB Type-C	Yes	-
Headphones	3.5mm	-
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
FM	-	Yes
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	-
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	-
Gyroscope	Yes	-

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