Samsung Galaxy A21 vs Samsung Galaxy S Duo comparison

Show Only Differences Highlight Differences	Samsung Galaxy A21	Samsung Galaxy S Duos
key specs
Display	6.50-inch	4.00-inch
Front Camera	13-megapixel	0.3-megapixel
Rear Camera	16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel	5-megapixel
RAM	3GB	768MB
Storage	32GB	4GB
Battery Capacity	4000mAh	1500mAh
OS	Android 10	Android 4.0
Processor	-	1GHz one-core
Resolution	-	480x800 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A21	Galaxy S Duos
Release date	April 8, 2020	November 1, 2012
Form factor	Touchscreen	Bar
Battery capacity (mAh)	4000	1500
Removable battery	No	Yes
Fast charging	Proprietary	-
Wireless charging	No	-
Colours	Black	-
Alternate names	-	GT-S7562
Dimensions (mm)	-	121.50 x 63.10 x 10.50
Weight (g)	-	120.00
display
Screen size (inches)	6.50	4.00
Touchscreen	Yes	Yes
Resolution	-	480x800 pixels
Pixels per inch (PPI)	-	233
hardware
Processor make	MediaTek Helio P35 (MT6765)	-
RAM	3GB	768MB
Internal storage	32GB	4GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	32
Processor	-	1GHz one-core
camera
Rear camera	16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel	5-megapixel
Rear autofocus	Yes	-
Rear flash	Yes	LED
Front camera	13-megapixel	0.3-megapixel
Pop-Up Camera	No	-
software
Operating system	Android 10	Android 4.0
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 3.00
Wi-Fi standards supported	-	802.11 b/g/n
NFC	-	No
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
FM	-	Yes
Number of SIMs	-	2
Wi-Fi Direct	-	Yes
Mobile High-Definition Link (MHL)	-	No
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No
sim 1
SIM Type	-	Regular
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No
sim 2
SIM Type	-	Regular
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No

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