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Samsung Galaxy A21 vs Samsung Galaxy J2 (2017)
Samsung Galaxy A21
vs
Samsung Galaxy J2 (2017)
comparison
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Samsung Galaxy A21
Samsung Galaxy J2 (2017)
key specs
Display
6.50-inch
4.70-inch
Front Camera
13-megapixel
2-megapixel
Rear Camera
16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
5-megapixel
RAM
3GB
1GB
Storage
32GB
8GB
Battery Capacity
4000mAh
2000mAh
OS
Android 10
Android
Processor
-
Samsung Exynos 3 Quad 3475
Resolution
-
540x960 pixels
general
Brand
Samsung
Samsung
Model
Galaxy A21
Galaxy J2 (2017)
Release date
April 8, 2020
October 1, 2017
Form factor
Touchscreen
Touchscreen
Battery capacity (mAh)
4000
2000
Removable battery
No
Yes
Fast charging
Proprietary
-
Wireless charging
No
-
Colours
Black
Black, Gold
Dimensions (mm)
-
136.50 x 69.00 x 8.40
Weight (g)
-
130.00
display
Screen size (inches)
6.50
4.70
Touchscreen
Yes
Yes
Resolution
-
540x960 pixels
hardware
Processor make
MediaTek Helio P35 (MT6765)
Samsung Exynos 3 Quad 3475
RAM
3GB
1GB
Internal storage
32GB
8GB
Expandable storage
Yes
Yes
Expandable storage type
microSD
microSD
Expandable storage up to (GB)
512
128
Processor
-
1.3GHz quad-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
2-megapixel
Pop-Up Camera
No
-
software
Operating system
Android 10
Android
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
-
Yes
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
-
Yes
Gyroscope
-
Yes
Barometer
-
No
Temperature sensor
-
No
sim 1
SIM Type
-
Micro-SIM
GSM/CDMA
-
GSM
3G
-
Yes
4G/ LTE
-
Yes
sim 2
SIM Type
-
Micro-SIM
GSM/CDMA
-
GSM
3G
-
Yes
4G/ LTE
-
Yes
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