Redmi A7 4G vs Samsung Galaxy M21 2021 Edition comparison

Show Only Differences Highlight Differences	Redmi A7 4G	Samsung Galaxy M21 2021 Edition
key specs
Display	6.88-inch	6.40-inch
Processor	Unisoc T7250	-
Front Camera	8-megapixel	Unspecified
Rear Camera	13-megapixel	48-megapixel
RAM	4GB	-
Storage	64GB	-
Battery Capacity	5200mAh	6000mAh
OS	Android 16	Android 11
Resolution	720x1640 pixels	1080x2340 pixels
general
Brand	Redmi	Samsung
Model	A7 4G	Galaxy M21 2021 Edition
Release date	April 21, 2026	July 21, 2021
AI Enabled	No	-
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	171.79 x 79.77 x 8.26	-
Weight (g)	193.00	-
IP rating	IP52	-
Battery capacity (mAh)	5200	6000
Removable battery	No	-
Fast charging	15W Fast Charging	-
Wireless charging	No	-
Colours	Black, Sky Blue	Arctic Blue, Charcoal Black
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	1.8GHz octa-core	-
Processor make	Unisoc T7250	-
RAM	4GB	-
Internal storage	64GB	-
Expandable storage	Yes	-
Expandable storage type	microSD	-
Expandable storage up to (GB)	2048	-
Dedicated microSD slot	Yes	-
camera
Rear camera	13-megapixel	48-megapixel
No. of Rear Cameras	1	3
Front camera	8-megapixel	Unspecified
No. of Front Cameras	1	1
Rear autofocus	-	Yes
Rear flash	-	Yes
software
Operating system	Android 16	Android 11
Skin	HyperOS 3	One UI Core 3.1
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 ac	-
GPS	Yes	Yes
Bluetooth	Yes, v 5.20	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
3G	Yes	Yes
4G/ LTE	Yes	Yes
GSM/CDMA	-	GSM
sim 2
SIM Type	Nano-SIM	Nano-SIM
3G	Yes	Yes
4G/ LTE	Yes	Yes
GSM/CDMA	-	GSM
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	-
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Proximity sensor	-	Yes

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