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Redmi A4 5G vs Samsung Galaxy M21 2021 Edition
Redmi A4 5G
vs
Samsung Galaxy M21 2021 Editio
comparison
Show Only Differences
Highlight Differences
Redmi A4 5G
Samsung Galaxy M21 2021 Edition
key specs
Display
6.88-inch
6.40-inch
Processor
Qualcomm Snapdragon 4s Gen 2
-
Front Camera
5-megapixel
Unspecified
Rear Camera
50-megapixel + Unspecified
48-megapixel
RAM
4GB
-
Storage
64GB, 128GB
-
Battery Capacity
5160mAh
6000mAh
OS
Android 14
Android 11
Resolution
720x1640 pixels
1080x2340 pixels
general
Brand
Redmi
Samsung
Model
A4 5G
Galaxy M21 2021 Edition
Release date
November 20, 2024
July 21, 2021
Launched in India
Yes
No
Dimensions (mm)
171.88 x 77.80 x 8.22
-
Weight (g)
212.35
-
IP rating
IP52
-
Battery capacity (mAh)
5160
6000
Removable battery
No
-
Wireless charging
No
-
Colours
Sparkling Purple, Starry Bllack
Arctic Blue, Charcoal Black
Form factor
-
Touchscreen
display
Refresh Rate
120 Hz
-
Resolution Standard
HD+
-
Screen size (inches)
6.88
6.40
Touchscreen
Yes
Yes
Resolution
720x1640 pixels
1080x2340 pixels
Aspect ratio
-
19.5:9
hardware
Processor
octa-core
-
Processor make
Qualcomm Snapdragon 4s Gen 2
-
RAM
4GB
-
Internal storage
64GB, 128GB
-
Expandable storage
Yes
-
Expandable storage type
microSD
-
Expandable storage up to (GB)
1-24
-
Dedicated microSD slot
Yes
-
camera
Rear camera
50-megapixel (f/1.8) + Unspecified
48-megapixel
No. of Rear Cameras
2
3
Front camera
5-megapixel (f/2.2)
Unspecified
No. of Front Cameras
1
1
Rear autofocus
-
Yes
Rear flash
-
Yes
software
Operating system
Android 14
Android 11
Skin
HyperOS
One UI Core 3.1
connectivity
Wi-Fi
Yes
Yes
Wi-Fi standards supported
802.11 a/b/g/n/ac
-
GPS
Yes
Yes
Bluetooth
Yes, v 5.00
Yes
USB Type-C
Yes
Yes
Number of SIMs
2
2
Active 4G on both SIM cards
Yes
-
sim 1
SIM Type
Nano-SIM
Nano-SIM
GSM/CDMA
GSM
GSM
3G
Yes
Yes
4G/ LTE
Yes
Yes
5G
Yes
-
sim 2
SIM Type
Nano-SIM
Nano-SIM
GSM/CDMA
GSM
GSM
3G
Yes
Yes
4G/ LTE
Yes
Yes
5G
Yes
-
sensors
Fingerprint sensor
-
Yes
Proximity sensor
-
Yes
Accelerometer
-
Yes
Ambient light sensor
-
Yes
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Lava
Meizu
Motorola
Nokia
Nubia
OnePlus
Oppo
Poco
Realme
Redmi
Samsung
Tecno
Xiaomi
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