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Samsung Galaxy A21 vs Samsung Galaxy A3 (2017)
Samsung Galaxy A21
vs
Samsung Galaxy A3 (2017)
comparison
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Samsung Galaxy A21
Samsung Galaxy A3 (2017)
key specs
Display
6.50-inch
4.70-inch
Front Camera
13-megapixel
8-megapixel
Rear Camera
16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
13-megapixel
RAM
3GB
2GB
Storage
32GB
16GB
Battery Capacity
4000mAh
2350mAh
OS
Android 10
Android 6.0
Processor
-
1.6GHz octa-core
Resolution
-
720x1280 pixels
general
Brand
Samsung
Samsung
Model
Galaxy A21
Galaxy A3 (2017)
Release date
April 8, 2020
January 1, 2017
Form factor
Touchscreen
Touchscreen
Battery capacity (mAh)
4000
2350
Removable battery
No
No
Fast charging
Proprietary
-
Wireless charging
No
-
Colours
Black
Black Sky, Blue Mist, Gold Sand, Peach Cloud
Dimensions (mm)
-
135.40 x 66.20 x 7.90
display
Screen size (inches)
6.50
4.70
Touchscreen
Yes
Yes
Resolution
-
720x1280 pixels
hardware
Processor make
MediaTek Helio P35 (MT6765)
-
RAM
3GB
2GB
Internal storage
32GB
16GB
Expandable storage
Yes
Yes
Expandable storage type
microSD
microSD
Expandable storage up to (GB)
512
256
Processor
-
1.6GHz octa-core
camera
Rear camera
16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
13-megapixel
Rear autofocus
Yes
-
Rear flash
Yes
-
Front camera
13-megapixel
8-megapixel
Pop-Up Camera
No
-
software
Operating system
Android 10
Android 6.0
connectivity
Wi-Fi
Yes
Yes
GPS
Yes
Yes
Bluetooth
Yes
Yes, v 4.20
Wi-Fi standards supported
-
802.11 a/b/g/n/ac
NFC
-
Yes
Infrared
-
No
USB OTG
-
No
Headphones
-
Yes
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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