Samsung Galaxy M51 vs Xiaomi Redmi Note 15 5G (256GB)
Quick Comparison
Xiaomi Redmi Note 15 5G (256GB) has better RAM than Samsung Galaxy M51. In terms of display resolution, Samsung Galaxy M51 has better resolution of 2400 x 1080 than Xiaomi Redmi Note 15 5G (256GB) which has resolution of 2392 x 1080. Xiaomi Redmi Note 15 5G (256GB) has more internal memory than Samsung Galaxy M51
| Name | Samsung Galaxy M51 | Xiaomi Redmi Note 15 5G (256GB) |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 6.7 in | 6.77 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 7000 mAh | 5520 mAh |
| Camera | 64 MP Quad | 108 MP + 8 MP Dual |
| Price | Rs. 19999 | Rs. 31999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 10, 2020. The cost of Samsung Galaxy M51 is Rs. 19999. The launch Date of the second phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G (256GB) is Rs. 31999.
Display comparison
Samsung Galaxy M51 has screen size of 6.7 inches which falls short to Xiaomi Redmi Note 15 5G (256GB)'s 6.77 inch screen. Samsung Galaxy M51 has Super AMOLED Plus Screen type where as Xiaomi Redmi Note 15 5G (256GB) has AMOLED Screen type. Xiaomi's phone has display density of 388 PPI & Samsung's phone has only 386 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 89.7% than Samsung's phone ~ 86.7%. Samsung Galaxy M51 has 20:9 aspect ratio where as Xiaomi Redmi Note 15 5G (256GB) has 20.5:9 aspect ratio.
Memory comparison
Xiaomi Redmi Note 15 5G (256GB)'s larger 8 GB RAM is better for playing games and all with respect to Samsung Galaxy M51's lower 6 GB RAM. Xiaomi Redmi Note 15 5G (256GB) has more Internal Memory (256 GB) than Samsung Galaxy M51 (128 GB).
Camera comparison
Xiaomi Redmi Note 15 5G (256GB)'s 108 MP + 8 MP Dual Rear Camera outshines Samsung Galaxy M51's 64 MP Quad Rear Camera in terms of resolution. Samsung Galaxy M51 will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Xiaomi Redmi Note 15 5G (256GB)'s 20 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10 and the second one on 15 version.
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Full Comparison
| Name | Samsung Galaxy M51 | Xiaomi Redmi Note 15 5G (256GB) |
| General | ||
| Country of Origin | India | |
| Model | M51 | 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 | September 10, 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 | 76.3 x 163.9 x 9.5 mm | 75.4 x 164 x 7.35 mm |
| Weight | 213 g | 178 g |
| Colors | Black, Glacier Blue, Mist Purple | |
| Display | ||
| Type | Color Super AMOLED Plus Screen (16M Colors) | Color AMOLED Screen (68B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.7 inches, 1080 x 2400 pixels | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 386 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 86.7% | ~ 89.7% |
| Glass Type | Corning Gorilla Glass 3 | 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 | 256 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, A2DP, LE | Yes, v5.3, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, 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, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, RGB Light Sensor, Proximity Sensor, Compass | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | Yes |
| AI Features | Gemini Live, Circle to Search | |
| Water Resistance | Yes, 1.7 m | |
| IP Rating | IP65 + IP66 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 64 MP ƒ/1.8 (Wide Angle) 12 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Depth Sensor) 5 MP ƒ/2.4 (Macro) Macro | 108 MP ƒ/1.7 (Wide Angle) 0.64um, 9 in 1 1.92um 8 MP ƒ/2.2 (Ultra Wide) |
| Camera Sensor | Sony IMX682 | |
| Auto Focus | Yes | Yes |
| Features | Panorama, HDR | HDR, Panorama |
| 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 | 32 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v10 | Android v15 |
| Custom UI | Xiaomi HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 730G | Qualcomm Snapdragon 6 Gen3 |
| CPU | 2.2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz |
| GPU | Adreno 618 | Adreno 710 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | MP3, AMR, FLAC, APE |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | 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 | 7000 mAh, Li-Po Battery | 5520 mAh |
| Fast Charging | Yes, 25W Fast Charging | Yes, 45W Fast Charging |
| Reverse Charging | Yes | Yes, 18W |
| Talk Time | 64 hours | |
| Music Playback Time | 182 hours | |