Xiaomi Redmi Note 15 5G vs Samsung Galaxy M21 2021
Here you can compare Xiaomi Redmi Note 15 5G and Samsung Galaxy M21 2021. Comparing Xiaomi Redmi Note 15 5G vs Samsung Galaxy M21 2021 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Xiaomi Redmi Note 15 5G stands against Samsung Galaxy M21 2021 and which one should you buy The current lowest price found for Xiaomi Redmi Note 15 5G is ₹28,999 and for Samsung Galaxy M21 2021 is ₹14,999. The details of both of these products were last updated on Sep 25, 2026.
| Specification | Xiaomi Redmi Note 15 5G | Samsung Galaxy M21 2021 |
|---|---|---|
| Rear Camera | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) |
| Display | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.4 inches, 1080 x 2340 pixels, 60 Hz |
| OS | Android v15 | Android v11 |
| CPU | 2.4 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| RAM | 8 GB | 4 GB |
| Price | ₹28,999 | ₹14,999 |
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Overview
| Specs Score | 70 / 100 Better Specs | 50 / 100 |
| Display Size | 6.77 in Bigger Display | 6.4 in |
| Display Resolution | 1080 x 2392 pixels Better Resolution | 1080 x 2340 pixels |
| Screen To Body Ratio | ~ 89.7% Less Bezels | ~ 84.2% |
| RAM | 8 GB More RAM | 4 GB |
| Storage | 128 GB More Storage | 64 GB |
| Rear Camera | 108 MP + 8 MP Dual Better Camera Resolution | 48 MP + 8 MP + 5 MP Triple |
| Weight | 178 g Lighter | 192 g |
| Thickness | 7.35 mm Slimmer | 9 mm |
| Battery | 5520 mAh | 6000 mAh Bigger Battery |
| Unique Features | 5G No No Water Resistant NFC Reverse Charging IR Blaster | No 3.5mm Audio Jack FM Radio No No No No |
General
| Country of Origin | India | |
| Model | 25096RA9BG, 25098RA98G | Galaxy M21 2021 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | December 18, 2025 | July 21, 2021 |
| In The Box | REDMI Note 15 5G / USB Type-C Cable / SIM Eject Tool/ Protective Case / Quick Start Guide / Warranty Card |
Design
| Dimensions | 75.4 x 164 x 7.35 mm | 75.1 x 159 x 9 mm |
| Weight | 178 g | 192 g |
| Colors | Black, Glacier Blue, Mist Purple |
Display
| Type | Color AMOLED Screen (68B) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.4 inches, 1080 x 2340 pixels, 60 Hz |
| Aspect Ratio | 20.5:9 | 19.5:9 |
| PPI | ~ 388 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 89.7% | ~ 84.2% |
| Glass Type | Scratch/drop-resistant glass, Mohs level 5 | Corning Gorilla Glass 3 |
| 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 | 420 nits (peak) |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
Memory
| RAM | 8 GB | 4 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 64 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, (Hybrid Slot), upto 1 TB | Yes, upto 512 GB |
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 |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.3, A2DP, LE | Yes, v5.0 |
| 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 | GPS: L1 | GLONASS: G1 | BDS: B1I + B1C | Galileo: E1 | Yes, with A-GPS, Glonass, Beidou, Galileo |
| Fingerprint Sensor | Yes, In Display | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing |
| 3.5mm Headphone Jack | No | Yes |
| 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 | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | Panorama, HDR |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash | 20 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Front Camera Features | HDR, panorama | HDR |
Technical
| OS | Android v15 | Android v11 |
| Custom UI | Xiaomi HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 6 Gen3 | Samsung Exynos 9611 |
| CPU | 2.4 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 |
| GPU | Adreno 710 | Mali-G72 MP3 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
| Video | MP4, M4V, MKV, XVID | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM |
| FM Radio | No | Yes |
| 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 | 5520 mAh | 6000 mAh, Li-Po Battery |
| Fast Charging | Yes, 45W Fast Charging | Yes, 15W Fast Charging |
| Reverse Charging | Yes, 18W | |
| Talk Time | 49 hours | |
| Music Playback Time | 131 hours |
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