Redmi 15 5G vs Samsung Galaxy A21 Simple comparison

Show Only Differences Highlight Differences	Redmi 15 5G	Samsung Galaxy A21 Simple
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	6.90-inch	5.80-inch
Front Camera	8-megapixel	5-megapixel
Rear Camera	50-megapixel	13-megapixel
RAM	6GB, 8GB	3GB
Storage	128GB, 256GB	64GB
Battery Capacity	7000mAh	3600mAh
OS	Android 15	Android 11
Resolution	1080x2340 pixels	720x1560 pixels
Processor	-	Samsung Exynos 7884B
general
Brand	Redmi	Samsung
Model	15 5G	Galaxy A21 Simple
Release date	August 19, 2025	August 27, 2021
AI Enabled	Yes	-
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	168.48 x 80.45 x 8.40	150.00 x 71.00 x 8.40
Weight (g)	217.00	159.00
IP rating	IP64	-
Battery capacity (mAh)	7000	3600
Fast charging	33W Fast Charging	-
Colours	Frosted White, Midnight Black, Sandy Purple	Black, White
display
Refresh Rate	144 Hz	-
Resolution Standard	FHD+	-
Screen size (inches)	6.90	5.80
Touchscreen	Yes	Yes
Resolution	1080x2340 pixels	720x1560 pixels
Pixels per inch (PPI)	374	-
hardware
Processor make	Qualcomm Snapdragon 6s Gen 3	Samsung Exynos 7884B
RAM	6GB, 8GB	3GB
Internal storage	128GB, 256GB	64GB
Processor	-	octa-core
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	1000
camera
Rear camera	50-megapixel (f/1.75)	13-megapixel
No. of Rear Cameras	2	1
Rear flash	Yes	Yes
Front camera	8-megapixel (f/2.2)	5-megapixel
No. of Front Cameras	1	1
Rear autofocus	-	Yes
Pop-Up Camera	-	No
software
Operating system	Android 15	Android 11
Skin	HyperOS 2.0	-
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	-
Bluetooth	Yes	Yes, v 5.00
Infrared	Yes	-
USB Type-C	Yes	Yes
Number of SIMs	2	-
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	-	Yes

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