Samsung Galaxy A40s vs Samsung Galaxy J7 Duo comparison

Show Only Differences Highlight Differences	Samsung Galaxy A40s	Samsung Galaxy J7 Duo
key specs
Display	6.40-inch	5.50-inch
Processor	Samsung Exynos 7904	Samsung Exynos 7885
Front Camera	Unspecified	8-megapixel
Rear Camera	13-megapixel + 5-megapixel + 5-megapixel	13-megapixel + 5-megapixel
RAM	6GB	4GB
Storage	64GB	32GB
Battery Capacity	5000mAh	3000mAh
OS	Android 9 Pie	Android Oreo
Resolution	-	720x1280 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A40s	Galaxy J7 Duo
Release date	April 1, 2019	March 1, 2018
Launched in India	No	Yes
Form factor	Touchscreen	Touchscreen
Battery capacity (mAh)	5000	3000
Dimensions (mm)	-	153.50 x 77.20 x 8.20
Weight (g)	-	174.00
Colours	-	Black and Gold
display
Screen size (inches)	6.40	5.50
Touchscreen	Yes	Yes
Resolution	-	720x1280 pixels
Aspect ratio	-	16:9
Pixels per inch (PPI)	-	267
hardware
Processor	octa-core	octa-core (2x2.2GHz + 6x1.6GHz)
Processor make	Samsung Exynos 7904	Samsung Exynos 7885
RAM	6GB	4GB
Internal storage	64GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	-	256
camera
Rear camera	13-megapixel + 5-megapixel + 5-megapixel	13-megapixel (f/1.9) + 5-megapixel (f/1.9)
Rear autofocus	Yes	Yes
Rear flash	Yes	LED
Front camera	Unspecified	8-megapixel (f/1.9)
Front flash	-	LED
software
Operating system	Android 9 Pie	Android Oreo
Skin	One UI	-
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
USB Type-C	Yes	-
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
NFC	-	No
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
Fingerprint sensor	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Compass/ Magnetometer	-	No

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