Xiaomi Redmi Note 15 Pro Plus vs Samsung Galaxy S21 Plus

Here you can compare Xiaomi Redmi Note 15 Pro Plus and Samsung Galaxy S21 Plus. Comparing Xiaomi Redmi Note 15 Pro Plus vs Samsung Galaxy S21 Plus on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Xiaomi Redmi Note 15 Pro Plus stands against Samsung Galaxy S21 Plus and which one should you buy The current lowest price found for Xiaomi Redmi Note 15 Pro Plus is ₹39,999 and for Samsung Galaxy S21 Plus is ₹29,999. The details of both of these products were last updated on Oct 08, 2026.

Specification	Xiaomi Redmi Note 15 Pro Plus	Samsung Galaxy S21 Plus
Display	6.83 inches, 1280 x 2772 pixels, 120 Hz	6.7 inches, 1080 x 2400 pixels, 120 Hz
Battery	6500 mAh, Silicon-Carbon Battery Battery	4800 mAh, Li-Po Battery
OS	Android v15	Android v10
Internal Memory	256 GB	128 GB
CPU	2.7 GHz, Octa Core Processor	2.9 GHz, Octa Core Processor
Price	₹39,999	₹29,999

Xiaomi Redmi Note 15 Pro Plus₹39,9991%

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Samsung Galaxy S21 Plus₹29,999

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Xiaomi Redmi Note 15 Pro Plus₹39,9991%

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Samsung Galaxy S21 Plus₹29,999

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Overview

Specs Score	79 / 100 Better Specs	75 / 100
Display Resolution	1280 x 2772 pixels Better Resolution	1080 x 2400 pixels
Storage	256 GB More Storage	128 GB
CPU Clock Speed	2.7 GHz	2.9 GHz Faster Clock Speed
Rear Camera	200 MP + 8 MP Dual Better Camera Resolution	64 MP + 12 MP + 12 MP Triple
Front Camera	32 MP Better Front Camera Resolution	10 MP
Thickness	8.2 mm	7.8 mm Slimmer
Battery	6500 mAh Bigger Battery	4800 mAh
Unique Features	No IR Blaster	Wireless Charging No

General

Country of Origin	India
Model	2510ERA8BG	Galaxy S21+ 5G
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	nano SIM + nano SIM or nano SIM + eSIM	Nano+Nano SIM
Device Type	Smartphone	Smartphone
OS Updates	4 years
Security Updates	6 years
Release Date	December 18, 2025	January 14, 2021
In The Box	REDMI Note 15 Pro+ 5G/ Adapter/ USB Type-C Cable/ SIM Eject Tool/ Protective Case/ Quick Start Guide/ Warranty Card

Design

Dimensions	78.3 x 163.3 x 8.2 mm	75.6 x 161.5 x 7.8 mm
Weight	207 g	200 g
Colors	Mirage Blue, Coffee Mocha, Carbon Black

Display

Type	Color AMOLED Screen (1B Colors)	Color Dynamic AMOLED 2X (16M Colors)
Touch	Yes	Yes
Size	6.83 inches, 1280 x 2772 pixels, 120 Hz	6.7 inches, 1080 x 2400 pixels, 120 Hz
Aspect Ratio	20.1:9	20:9
PPI	~ 447 PPI	~ 394 PPI
Screen to Body Ratio	~ 89.6%	~ 88.3%
Glass Type	Corning Gorilla Glass Victus 2	Corning Gorilla Glass Victus
Brightness	3200 nits Peak, HBM 1800 nits
HDR Support	Yes, HDR10+, Dolby Vision	Yes, HDR10+
Features	3840Hz PWM, HDR10+, Dolby Vision, Colour depth: 12bit Contrast ratio: 8,000,000:1 DCI- P3 wide color gamut	Always-on Display, HDR10+
Notch	Yes, Punch Hole	Yes, Punch Hole

Memory

RAM	8 GB	8 GB
Storage	256 GB	128 GB
Storage Type	UFS 2.2	UFS 3.1
Card Slot	No

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
5G	Yes	Yes
5G Bands	SA: n1/3/5/8/28/38/40/41/77/78, NSA: n1/3/5/8/28/40/41/77/78
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version	Wi-Fi: Wi-Fi 6/6E/Wi-Fi 5/Wi-Fi 4/Wi-Fi Direct Supports 2.4GHz Wi-Fi \| 5GHz Wi-Fi Supports 2x2 MIMO
Bluetooth	Yes, v5.4, A2DP, LE	Yes, v5.0, A2DP, LE
USB	Yes, USB-C v2.0	Yes, USB-C v3.2
USB Features	USB on-the-go, USB Charging	USB on-the-go, USB Charging
IR Blaster	Yes

Performance

AnTuTu Score	1,053,798 (Total) (v11) 405,501 (CPU) 188,358 (GPU) 203,399 (Memory) 256,540 (UX)
AnTuTu Storage Score	85,008 Sequential Read: 1093 MB/s; Sequential Write: 1054 MB/s
Geekbench Score	3,250 (Multi Core) (v6) 1,250 (Single Core) 3,538 (OpenCL) 4,690 (Vulkan)
3DMark Score	1,104 (Wild Life Extreme) (6.61 FPS)

Extra

GPS	GPS \| AGPS \| Glonass \| Beidou \| Galileo make wireless Down Wireless network \| Data network \| Sensor Assisted Positioning	Yes, with A-GPS, GLONASS, BDS, GALILEO
Fingerprint Sensor	Yes, In Display	Yes, In Display
Face Unlock	Yes	Yes
Sensors	Proximity sensor \| Ambient light sensor \| Accelerometer \| Electronic compass \| IR blaster \| Gyroscope	Accelerometer, Gyro, Proximity, Compass, Barometer
3.5mm Headphone Jack	No	No
NFC	Yes	Yes
AI Features	Al Writing, Al Speech Recognition, Al Interpreter,Al Search, Al Dynamic Wallpapers, Al Creativity Assistant,and more. Circle to Search with Google, Google Gemini information.
Water Resistance	Yes, 1.5 m upto 30 min	Yes, 1.5 m upto 30 min
IP Rating	IP66 + IP68 + IP69 + IP69K	IP68
Dust Resistant	Yes	Yes
Extra Features	Xiaomi T1S Tuner, Xiaomi Offline Communication

Camera

Rear Camera	200 MP ƒ/1.7 (Wide Angle) 23mm (wide), 1/1.4", 0.56µm, multi-directional PDAF, OIS 8 MP ƒ/2.2 (Ultra Wide) 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm	12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide)
OIS	Yes	Yes
Auto Focus	Yes	Yes
Features		Auto-HDR, Panorama
Video Recording	4K @ 30 fps UHD, 1080p @ 60 fps FHD	8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD
Flash	Yes, LED	Yes, LED
Front Camera	32 MP ƒ/2.2 (Wide Angle) Punch Hole	10 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus
Front Video Recording	1080p @ 60 fps FHD	4K @ 30/60 fps UHD, 1080p @ 30 fps FHD
Front Camera Features	HDR, panorama	Dual video call, Auto-HDR

Technical

OS	Android v15	Android v10
Custom UI	Xiaomi HyperOS 2
Chipset	Qualcomm Snapdragon 7s Gen4	Samsung Exynos 2100
CPU	2.7 GHz, Octa Core Processor	2.9 GHz, Octa Core Processor
Core Details	1x2.7 GHz Cortex-A720 & 3x2.4 GHz Cortex-A720 & 4x1.8 GHz Cortex-A520	1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55
GPU	Adreno 810	Mali-G78 MP14
Java	No	No
Browser	Yes, supports HTML5	Yes

Multimedia

Email	Yes	Yes
Music	MP3, AMR, FLAC, APE	Yes
Video	MP4, M4V, MKV, XVID	Yes
FM Radio	No	No
Speaker Type	Dual Stereo
Audio Features	400% Volume Boost, Dolby Atmos \| Hi-Res
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	6500 mAh, Silicon-Carbon Battery Battery	4800 mAh, Li-Po Battery
Fast Charging	Yes, 100W Fast Charging	Yes, 25W Fast Charging
Wireless Charging		Yes, 15W
Reverse Charging	Yes, 22.5W	Yes, 4.5W

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