Samsung Galaxy A40s vs Samsung Galaxy A3 Duo comparison

Show Only Differences Highlight Differences	Samsung Galaxy A40s	Samsung Galaxy A3 Duos
key specs
Display	6.40-inch	4.50-inch
Processor	Samsung Exynos 7904	1.2GHz quad-core
Front Camera	Unspecified	5-megapixel
Rear Camera	13-megapixel + 5-megapixel + 5-megapixel	8-megapixel
RAM	6GB	1GB
Storage	64GB	16GB
Battery Capacity	5000mAh	1900mAh
OS	Android 9 Pie	Android 4.4
Resolution	-	540x960 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A40s	Galaxy A3 Duos
Release date	April 1, 2019	February 1, 2015
Launched in India	No	-
Form factor	Touchscreen	Touchscreen
Battery capacity (mAh)	5000	1900
Dimensions (mm)	-	130.10 x 65.50 x 6.90
Weight (g)	-	110.30
Removable battery	-	No
Colours	-	Blue, White, Gold
display
Screen size (inches)	6.40	4.50
Touchscreen	Yes	Yes
Resolution	-	540x960 pixels
hardware
Processor	octa-core	1.2GHz quad-core
Processor make	Samsung Exynos 7904	-
RAM	6GB	1GB
Internal storage	64GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	-	64
camera
Rear camera	13-megapixel + 5-megapixel + 5-megapixel	8-megapixel
Rear autofocus	Yes	-
Rear flash	Yes	LED
Front camera	Unspecified	5-megapixel
software
Operating system	Android 9 Pie	Android 4.4
Skin	One UI	-
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 4.00
USB Type-C	Yes	-
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 b/g/n
NFC	-	Yes
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
FM	-	Yes
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	No
sensors
Fingerprint sensor	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Compass/ Magnetometer	-	Yes
Ambient light sensor	-	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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