Samsung Galaxy A51 vs Xiaomi Redmi Note 15 5G

Here you can compare Samsung Galaxy A51 and Xiaomi Redmi Note 15 5G. Comparing Samsung Galaxy A51 vs Xiaomi Redmi Note 15 5G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy A51 stands against Xiaomi Redmi Note 15 5G and which one should you buy The current lowest price found for Samsung Galaxy A51 is ₹17,999 and for Xiaomi Redmi Note 15 5G is ₹28,999. The details of both of these products were last updated on Oct 15, 2026.

Specification	Samsung Galaxy A51	Xiaomi Redmi Note 15 5G
RAM	6 GB	8 GB
Internal Memory	128 GB	128 GB
Display	6.5 inches, 1080 x 2340 pixels	6.77 inches, 1080 x 2392 pixels, 120 Hz
Battery	4000 mAh, Li-Po Battery	5520 mAh
CPU	2.3 GHz, Octa Core Processor	2.4 GHz, Octa Core Processor
Price	₹17,999	₹28,999

Samsung Galaxy A51₹17,999

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Xiaomi Redmi Note 15 5G₹28,999

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Samsung Galaxy A51₹17,999

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Xiaomi Redmi Note 15 5G₹28,999

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Overview

Specs Score	53 / 100	70 / 100 Better Specs
Display Resolution	1080 x 2340 pixels	1080 x 2392 pixels Better Resolution
RAM	6 GB	8 GB More RAM
Rear Camera	48 MP Quad	108 MP + 8 MP Dual Better Camera Resolution
Front Camera	32 MP Better Front Camera Resolution	20 MP
Thickness	7.9 mm	7.35 mm Slimmer
Battery	4000 mAh	5520 mAh Bigger Battery
Unique Features	No 3.5mm Audio Jack FM Radio No No No No	5G No No Water Resistant NFC Reverse Charging IR Blaster

General

Country of Origin		India
Model	Galaxy A51	25096RA9BG, 25098RA98G
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM (Hybrid Slot)
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano SIM
Device Type	Smartphone	Smartphone
Release Date	January 29, 2020	December 18, 2025
In The Box		REDMI Note 15 5G / USB Type-C Cable / SIM Eject Tool/ Protective Case / Quick Start Guide / Warranty Card

Design

Dimensions	73.6 x 158.5 x 7.9 mm	75.4 x 164 x 7.35 mm
Weight	172 g	178 g
Colors		Black, Glacier Blue, Mist Purple

Display

Type	Color Super AMOLED Screen (16M Colors)	Color AMOLED Screen (68B)
Touch	Yes	Yes, 240 Hz Touch Sampling Rate
Size	6.5 inches, 1080 x 2340 pixels	6.77 inches, 1080 x 2392 pixels, 120 Hz
Aspect Ratio	20:9	20.5:9
PPI	~ 405 PPI	~ 388 PPI
Screen to Body Ratio	~ 87.4%	~ 89.7%
Glass Type		Scratch/drop-resistant glass, Mohs level 5
Brightness		3200nits peak brightness, 800nits (typ)
Features		Contrast Ratio: 8,000,000:1, DCI- P3 wide Color Gamut, Sunlight Display, Reading Mode, 3840Hz PWM Dimming \| 16,000-level Brightness Adjustment, TÜV Rheinland Low Blue Light, (Hardware Solution) Certified, TUV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified
Notch	Yes, Punch Hole	Yes, Punch Hole

Memory

RAM	6 GB	8 GB
RAM Type		LPDDR4X
Expandable RAM		Upto 8 GB Extra Virtual RAM
Storage	128 GB	128 GB
Storage Type		UFS 2.2
Card Slot	Yes, upto 512 GB	Yes, (Hybrid Slot), upto 1 TB

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
5G		Yes
5G Bands		5G NSA:n1\|n3\|n40\|n78 5G SA: n1\|n3\|n5\|n8\|n28\|n40\|n78
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Bluetooth	Yes, v5.0	Yes, v5.3, A2DP, LE
USB	Yes, USB-C v2.0	Yes, USB-C v2.0
USB Features	USB on-the-go, USB Charging	USB on-the-go, USB Charging
IR Blaster		Yes

Extra

GPS	Yes, with A-GPS, GLONASS, GALILEO, BDS	GPS: L1 \| GLONASS: G1 \| BDS: B1I + B1C \| Galileo: E1
Fingerprint Sensor	Yes, In Display	Yes, In Display
Face Unlock	Yes	Yes
Sensors	Accelerometer, Gyro, Proximity, Compass	Virtual proximity sensor \| Ambient light sensor \| Accelerometer \| Electronic compass \| IR blaster \| Gyroscope
3.5mm Headphone Jack	Yes	No
NFC		Yes
AI Features		Gemini Live, Circle to Search
Water Resistance		Yes, 1.7 m
IP Rating		IP65 + IP66
Dust Resistant		Yes

Camera

Rear Camera	48 MP ƒ/2 (Wide Angle) 12 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Macro 5 MP ƒ/2.2 (Depth Sensor)	108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide)
Auto Focus	Yes	Yes
Features	Panorama, HDR	HDR, Panorama
Video Recording	1080p @ 30 fps FHD	4K @ 30 fps UHD, 1080p @ 30 fps FHD
Flash	Yes, LED	Yes, LED
Front Camera	32 MP ƒ/2.2 (Wide Angle)	20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash
Front Video Recording	1080p @ 30 fps FHD	1080p @ 30 fps FHD
Front Camera Features	HDR	HDR, panorama

Technical

OS	Android v10, upgradable to v12	Android v15
Custom UI		Xiaomi HyperOS 2
Chipset	Samsung Exynos 9611	Qualcomm Snapdragon 6 Gen3
CPU	2.3 GHz, Octa Core Processor	2.4 GHz, Octa Core Processor
Core Details	4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53	2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz
GPU	Mali-G72 MP3	Adreno 710
Java	No	No
Browser	Yes, supports HTML5	Yes

Multimedia

Email	Yes	Yes
Music	Yes	MP3, AMR, FLAC, APE
Video	Yes	MP4, M4V, MKV, XVID
FM Radio	Yes	No
Speaker Type		Dual Stereo
Audio Features		Dual Ultra-Linear Speakers, Misound tuning and Dolby Atmos
Audio Jack Type		USB Type-C
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	4000 mAh, Li-Po Battery	5520 mAh
Fast Charging	Yes, 15W Fast Charging	Yes, 45W Fast Charging
Reverse Charging		Yes, 18W

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