Xiaomi Redmi Note 15 5G vs Samsung Galaxy A51
Quick Comparison
Xiaomi Redmi Note 15 5G has better RAM than Samsung Galaxy A51. In terms of display resolution, Xiaomi Redmi Note 15 5G has better resolution of 2392 x 1080 than Samsung Galaxy A51 which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | Xiaomi Redmi Note 15 5G | Samsung Galaxy A51 |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.77 in | 6.5 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5520 mAh | 4000 mAh |
| Camera | 108 MP + 8 MP Dual | 48 MP Quad |
| Price | Rs. 24999 | Rs. 17999 |
Related Products
Detailed Comparison
Price And Launch
The launch Date of the first phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 5G is Rs. 24999. The launch Date of the second phone is January 29, 2020 . The cost of Samsung Galaxy A51 is Rs. 17999.
Display comparison
Samsung Galaxy A51 has screen size of 6.5 inches which falls short to Xiaomi Redmi Note 15 5G's 6.77 inch screen. Xiaomi Redmi Note 15 5G has AMOLED Screen type where as Samsung Galaxy A51 has Super AMOLED Screen type. Samsung's phone has display density of 405 PPI & Xiaomi's phone has only 388 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 ~ 87.4%. Xiaomi Redmi Note 15 5G has 20.5:9 aspect ratio where as Samsung Galaxy A51 has 20:9 aspect ratio.
Memory comparison
Xiaomi Redmi Note 15 5G's larger 8 GB RAM is better for playing games and all with respect to Samsung Galaxy A51's lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
Xiaomi Redmi Note 15 5G's 108 MP + 8 MP Dual Rear Camera outclasses Samsung Galaxy A51's 48 MP Quad Rear Camera in terms of resolution. Samsung Galaxy A51 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's 20 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 10 version.
Related Comparisons
Full Comparison
| Name | Xiaomi Redmi Note 15 5G | Samsung Galaxy A51 |
| General | ||
| Country of Origin | India | |
| Model | 25096RA9BG, 25098RA98G | Galaxy A51 |
| 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 | January 29, 2020 |
| 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 | 73.6 x 158.5 x 7.9 mm |
| Weight | 178 g | 172 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 | 6.5 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 388 PPI | ~ 405 PPI |
| Screen to Body Ratio | ~ 89.7% | ~ 87.4% |
| 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 | 8 GB | 6 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, (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, Dual Stand-By |
| 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, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Virtual proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope | Accelerometer, Gyro, Proximity, Compass |
| 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) 12 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Macro 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 | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 20 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash | 32 MP ƒ/2.2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v10, upgradable to v12 |
| 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 | Yes |
| Video | MP4, M4V, MKV, XVID | Yes |
| 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 | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 45W Fast Charging | Yes, 15W Fast Charging |
| Reverse Charging | Yes, 18W | |