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Samsung Galaxy A21 Simple vs Samsung Galaxy A7 Duos
Samsung Galaxy A21 Simple
vs
Samsung Galaxy A7 Duo
comparison
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Samsung Galaxy A21 Simple
Samsung Galaxy A7 Duos
key specs
Display
5.80-inch
5.50-inch
Processor
Samsung Exynos 7884B
Qualcomm Snapdragon 615
Front Camera
5-megapixel
5-megapixel
Rear Camera
13-megapixel
13-megapixel
RAM
3GB
2GB
Storage
64GB
16GB
Battery Capacity
3600mAh
2600mAh
OS
Android 11
Android 4.4
Resolution
720x1560 pixels
1080x1920 pixels
general
Brand
Samsung
Samsung
Model
Galaxy A21 Simple
Galaxy A7 Duos
Release date
August 27, 2021
-
Launched in India
No
-
Form factor
Touchscreen
Touchscreen
Dimensions (mm)
150.00 x 71.00 x 8.40
151.00 x 76.20 x 6.30
Weight (g)
159.00
141.00
Battery capacity (mAh)
3600
2600
Colours
Black, White
White, Gold, Black
Removable battery
-
No
display
Screen size (inches)
5.80
5.50
Touchscreen
Yes
Yes
Resolution
720x1560 pixels
1080x1920 pixels
Pixels per inch (PPI)
-
401
hardware
Processor
octa-core
1GHz octa-core
Processor make
Samsung Exynos 7884B
Qualcomm Snapdragon 615
RAM
3GB
2GB
Internal storage
64GB
16GB
Expandable storage
Yes
Yes
Expandable storage type
microSD
microSD
Expandable storage up to (GB)
1000
64
camera
Rear camera
13-megapixel
13-megapixel
No. of Rear Cameras
1
-
Rear autofocus
Yes
-
Rear flash
Yes
LED
Front camera
5-megapixel
5-megapixel
No. of Front Cameras
1
-
Pop-Up Camera
No
-
software
Operating system
Android 11
Android 4.4
Skin
-
TouchWiz UI
connectivity
Wi-Fi
Yes
Yes
Bluetooth
Yes, v 5.00
Yes, v 4.00
USB Type-C
Yes
-
Wi-Fi standards supported
-
802.11 a/b/g/n
GPS
-
Yes
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
Proximity sensor
Yes
Yes
Accelerometer
Yes
Yes
Ambient light sensor
Yes
Yes
Compass/ Magnetometer
-
Yes
Gyroscope
-
No
Barometer
-
No
Temperature sensor
-
No
sim 1
SIM Type
-
Nano-SIM
GSM/CDMA
-
GSM
3G
-
Yes
4G/ LTE
-
Yes
sim 2
SIM Type
-
Nano-SIM
GSM/CDMA
-
GSM
3G
-
Yes
4G/ LTE
-
Yes
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