Redmi Note 15 Pro+ 5G vs Samsung Galaxy S21 Ultra comparison

Show Only Differences Highlight Differences	Redmi Note 15 Pro+ 5G	Samsung Galaxy S21 Ultra
ratings
Overall NDTV Rating	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.83-inch	6.80-inch
Front Camera	32-megapixel	40-megapixel
Rear Camera	200-megapixel + 8-megapixel	108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel
RAM	8GB, 12GB	12GB, 16GB
Storage	256GB, 512GB	128GB, 256GB, 512GB
Battery Capacity	6500mAh	5000mAh
OS	Android 15	Android 11
Resolution	1280x2772 pixels	1440x3220 pixels
Processor	-	Samsung Exynos 2100
general
Brand	Xiaomi	Samsung
Model	Redmi Note 15 Pro+ 5G	Galaxy S21 Ultra
Release date	December 11, 2025	January 14, 2021
Launched in India	No	-
Dimensions (mm)	163.00 x 78.31 x 8.19	165.10 x 75.60 x 8.90
Weight (g)	207.10	228.00
IP rating	IP68	IP68
Battery capacity (mAh)	6500	5000
Fast charging	100W Fast Charging	Proprietary
Form factor	-	Touchscreen
Wireless charging	-	Yes
Colours	-	Phantom Titanium, Phantom Navy, Phantom Brown
display
Refresh Rate	120 Hz	-
Resolution Standard	1.5K	-
Screen size (inches)	6.83	6.80
Resolution	1280x2772 pixels	1440x3220 pixels
Pixels per inch (PPI)	447	515
Touchscreen	-	Yes
Protection type	-	Gorilla Glass
hardware
RAM	8GB, 12GB	12GB, 16GB
Internal storage	256GB, 512GB	128GB, 256GB, 512GB
Processor	-	2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor make	-	Samsung Exynos 2100
camera
Rear camera	200-megapixel + 8-megapixel	108-megapixel (f/1.8, 0.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 10-megapixel (f/2.4, 1.22-micron) + 10-megapixel (f/4.9, 1.22-micron)
No. of Rear Cameras	2	-
Front camera	32-megapixel	40-megapixel (f/2.2, 0.7-micron)
No. of Front Cameras	1	-
Rear autofocus	-	Laser autofocus
Rear flash	-	Yes
software
Operating system	Android 15	Android 11
Skin	HyperOS 2	One UI 3.1
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
NFC	Yes	Yes
USB Type-C	Yes	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac/ax
GPS	-	Yes
Number of SIMs	-	2
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sensors
Face unlock	-	Yes
In-Display Fingerprint Sensor	-	Yes
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	Yes
Barometer	-	Yes

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