Redmi Note 15 5G vs Samsung Galaxy M21s comparison

Show Only Differences Highlight Differences	Sponsored Redmi Note 15 5G	Samsung Galaxy M21s
ratings
Overall NDTV Rating	Read Review	-
Design Rating		-
Display Rating		-
Software Rating		-
Performance Rating		-
Battery Life Rating		-
Camera Rating		-
Value for Money Rating		-
key specs
Display	6.77-inch	6.40-inch
Front Camera	20-megapixel	32-megapixel
Rear Camera	108-megapixel + 8-megapixel	64-megapixel + 8-megapixel + 5-megapixel
RAM	8GB	4GB
Storage	128GB, 256GB	64GB
Battery Capacity	5520mAh	6000mAh
OS	Android 15	Android 10
Resolution	1080x2392 pixels	1080x2340 pixels
Processor	-	Samsung Exynos 9611
general
Brand	Xiaomi	Samsung
Model	Redmi Note 15 5G	Galaxy M21s
Release date	December 11, 2025	November 5, 2020
Launched in India	No	No
Form factor	Touchscreen	Touchscreen
Body type	Polycarbonate	-
Dimensions (mm)	164.00 x 75.42 x 7.35	159.20 x 75.10 x 8.90
Weight (g)	178.00	191.00
IP rating	IP65	-
Battery capacity (mAh)	5520	6000
Removable battery	No	-
Fast charging	45W Fast Charging	Proprietary
Wireless charging	No	-
Colours	Black, Glacier Blue, and Mist Purple	Black, Blue
display
Refresh Rate	120 Hz	-
Resolution Standard	FHD+	-
Screen size (inches)	6.77	6.40
Touchscreen	Yes	Yes
Resolution	1080x2392 pixels	1080x2340 pixels
Protection type	Gorilla Glass 7i	-
Aspect ratio	16:9	-
hardware
Processor make	Qualcomm Snapdragon 6 Gen 3	Samsung Exynos 9611
RAM	8GB	4GB
Internal storage	128GB, 256GB	64GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	1TB	512
Processor	-	8 MHz
Dedicated microSD slot	-	Yes
camera
Rear camera	108-megapixel + 8-megapixel	64-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.2)
No. of Rear Cameras	2	-
Front camera	20-megapixel	32-megapixel (f/2.0)
No. of Front Cameras	1	-
software
Operating system	Android 15	Android 10
Skin	HyperOS 2	One UI Core
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
NFC	Yes	-
USB Type-C	Yes	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
GPS	-	Yes
Headphones	-	3.5mm
Number of SIMs	-	2
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
sensors
Fingerprint sensor	-	Yes
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	Yes

Related Comparisons

Realme 16 Pro+ 5G vs Redmi Note 15 5G

Popular Mobile Brands