Redmi Note 15 SE 5G vs Samsung Galaxy A21 comparison

Show Only Differences Highlight Differences	Redmi Note 15 SE 5G	Samsung Galaxy A21
key specs
Display	6.77-inch	6.50-inch
Processor	Qualcomm Snapdragon 6 Gen 3	-
Front Camera	20-megapixel	13-megapixel
Rear Camera	50-megapixel + 2-megapixel	16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM	6GB, 8GB	3GB
Storage	128GB, 256GB	32GB
Battery Capacity	5800mAh	4000mAh
OS	Android 15	Android 10
Resolution	1,080x2,392 pixels	-
general
Brand	Redmi	Samsung
Model	Note 15 SE 5G	Galaxy A21
Release date	April 2, 2026	April 8, 2020
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	164.00 x 75.42 x 7.35	-
Weight (g)	178.00	-
IP rating	IP65	-
Battery capacity (mAh)	5800	4000
Removable battery	No	No
Fast charging	45W Fast Charging	Proprietary
Wireless charging	No	No
Colours	Carbon Black, Crimson Reserve, and Frosted White	Black
display
Refresh Rate	120 Hz	-
Resolution Standard	FHD+	-
Screen size (inches)	6.77	6.50
Touchscreen	Yes	Yes
Resolution	1,080x2,392 pixels	-
hardware
Processor	octa-core	-
Processor make	Qualcomm Snapdragon 6 Gen 3	MediaTek Helio P35 (MT6765)
RAM	6GB, 8GB	3GB
Internal storage	128GB, 256GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	1024	512
camera
Rear camera	50-megapixel (f/1.8) + 2-megapixel	16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
No. of Rear Cameras	2	-
Rear autofocus	Yes	Yes
Rear flash	Yes	Yes
Front camera	20-megapixel (f/2.2)	13-megapixel
No. of Front Cameras	1	-
Pop-Up Camera	No	No
software
Operating system	Android 15	Android 10
Skin	HyperOS 2	-
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.10	Yes
USB Type-C	Yes	-
Number of SIMs	2	-
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM + CDMA	-
4G/ LTE	Yes	-
5G	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM + CDMA	-
4G/ LTE	Yes	-
5G	Yes	-
sensors
In-Display Fingerprint Sensor	Yes	-
Proximity sensor	Yes	-
Accelerometer	Yes	-
Ambient light sensor	Yes	-
Fingerprint sensor	-	Yes

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