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Samsung Galaxy A21 vs Samsung Galaxy S Duos 3
Samsung Galaxy A21
vs
Samsung Galaxy S Duos 3
comparison
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Samsung Galaxy A21
Samsung Galaxy S Duos 3
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
512MB
Storage
32GB
4GB
Battery Capacity
4000mAh
1500mAh
OS
Android 10
Android 4.4.2
Processor
-
1GHz dual-core
Resolution
-
480x800 pixels
general
Brand
Samsung
Samsung
Model
Galaxy A21
Galaxy S Duos 3
Release date
April 8, 2020
September 1, 2014
Form factor
Touchscreen
Touchscreen
Battery capacity (mAh)
4000
1500
Removable battery
No
Yes
Fast charging
Proprietary
-
Wireless charging
No
-
Colours
Black
Grey, White
Alternate names
-
SM-G313HU
Dimensions (mm)
-
121.40 x 62.90 x 10.80
Weight (g)
-
124.00
display
Screen size (inches)
6.50
4.00
Touchscreen
Yes
Yes
Resolution
-
480x800 pixels
hardware
Processor make
MediaTek Helio P35 (MT6765)
-
RAM
3GB
512MB
Internal storage
32GB
4GB
Expandable storage
Yes
Yes
Expandable storage type
microSD
microSD
Expandable storage up to (GB)
512
-
Processor
-
1GHz dual-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 4.4.2
Skin
-
TouchWiz Essence UX
connectivity
Wi-Fi
Yes
Yes
GPS
Yes
Yes
Bluetooth
Yes
Yes
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
-
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
-
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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