Samsung Galaxy A21s vs Samsung Galaxy A3 (2017) comparison

Show Only Differences Highlight Differences	Samsung Galaxy A21s	Samsung Galaxy A3 (2017)
key specs
Display	6.50-inch	4.70-inch
Processor	Samsung Exynos 850	1.6GHz octa-core
Front Camera	13-megapixel	8-megapixel
Rear Camera	48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel	13-megapixel
RAM	4GB	2GB
Storage	64GB	16GB
Battery Capacity	5000mAh	2350mAh
OS	Android 10	Android 6.0
Resolution	720x1600 pixels	720x1280 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A21s	Galaxy A3 (2017)
Release date	May 15, 2020	January 1, 2017
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	163.60 x 75.30 x 8.90	135.40 x 66.20 x 7.90
Weight (g)	191.00	-
Battery capacity (mAh)	5000	2350
Removable battery	No	No
Fast charging	Proprietary	-
Colours	White, Black, Blue	Black Sky, Blue Mist, Gold Sand, Peach Cloud
display
Screen size (inches)	6.50	4.70
Touchscreen	Yes	Yes
Resolution	720x1600 pixels	720x1280 pixels
hardware
Processor	2GHz octa-core	1.6GHz octa-core
Processor make	Samsung Exynos 850	-
RAM	4GB	2GB
Internal storage	64GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	256
Dedicated microSD slot	Yes	-
camera
Rear camera	48-megapixel (f/2.0) + 8-megapixel (f/2.0) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)	13-megapixel
Rear flash	Yes	-
Front camera	13-megapixel (f/2.2)	8-megapixel
software
Operating system	Android 10	Android 6.0
Skin	One UI	-
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.20
NFC	Yes	Yes
Headphones	3.5mm	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
GPS	-	Yes
Infrared	-	No
USB OTG	-	No
FM	-	Yes
Number of SIMs	-	2
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	-	No
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	No
Gyroscope	-	No
Barometer	-	Yes
Temperature sensor	-	No
sim 1
3G	-	No
4G/ LTE	-	No
sim 2
3G	-	No
4G/ LTE	-	No

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