Samsung
Device summary
Redmi
Note 15
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2026 |
| Starting price | — | — |
| Display size | 6.7-inch | 6.8-inch |
| Dimensions | 76.5 mm × 163.9 mm × 7.8 mm | 75.4 mm × 164.0 mm × 7.9 mm |
| Weight | 180 g | 184 g |
| Front material | — | — |
| Back material | — | — |
| Display | ||
| Display technology | Super AMOLED Plus | AMOLED |
| Resolution | 1080 × 2400 | 2392 × 1080 |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | — | 3200 nits |
| Performance | ||
| Chipset | Qualcomm Snapdragon 7 Gen 1 | MediaTek Helio G100-Ultra |
| RAM | 8 GB | 6 GB, 8 GB |
| Storage | 128 GB | 128 GB, 256 GB, 512 GB |
| Expandable storage | Yes | Yes |
| Cameras | ||
| Main camera | Wide · 50 MP · ƒ/1.8 · OIS | Wide · 108 MP · ƒ/1.76 |
| Ultra-wide camera | Ultra Wide · 8 MP · ƒ/2.2 | — |
| Macro camera | Macro · 2 MP · ƒ/2.4 | — |
| Depth camera | — | Depth · 2 MP · ƒ/2.4 |
| Front cameras | Selfie · 50 MP · ƒ/2.4 | Front · 20 MP |
| Battery & charging | ||
| Wired charging | 25 W | 33 W |
| Charging standard | Super Fast Charging | — |
| Typical capacity | 5000 mAh | 6000 mAh |
| Connectivity | ||
| Cellular | 5G, LTE, 3G, 2G | LTE |
| Wi‑Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.3 |
| USB | USB Type-C | — |
| NFC | Yes | Yes |
| Build & durability | ||
| Ingress protection | — | IP64 |
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2026 |
| Starting price | — | — |
| Display size | 6.7-inch | 6.8-inch |
| Dimensions | 76.5 mm × 163.9 mm × 7.8 mm | 75.4 mm × 164.0 mm × 7.9 mm |
| Weight | 180 g | 184 g |
| Front material | — | — |
| Back material | — | — |
| Display | ||
| Display technology | Super AMOLED Plus | AMOLED |
| Resolution | 1080 × 2400 | 2392 × 1080 |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | — | 3200 nits |
| Performance | ||
| Chipset | Qualcomm Snapdragon 7 Gen 1 | MediaTek Helio G100-Ultra |
| RAM | 8 GB | 6 GB, 8 GB |
| Storage | 128 GB | 128 GB, 256 GB, 512 GB |
| Expandable storage | Yes | Yes |
| Cameras | ||
| Main camera | Wide · 50 MP · ƒ/1.8 · OIS | Wide · 108 MP · ƒ/1.76 |
| Ultra-wide camera | Ultra Wide · 8 MP · ƒ/2.2 | — |
| Macro camera | Macro · 2 MP · ƒ/2.4 | — |
| Depth camera | — | Depth · 2 MP · ƒ/2.4 |
| Front cameras | Selfie · 50 MP · ƒ/2.4 | Front · 20 MP |
| Battery & charging | ||
| Wired charging | 25 W | 33 W |
| Charging standard | Super Fast Charging | — |
| Typical capacity | 5000 mAh | 6000 mAh |
| Connectivity | ||
| Cellular | 5G, LTE, 3G, 2G | LTE |
| Wi‑Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.3 |
| USB | USB Type-C | — |
| NFC | Yes | Yes |
| Build & durability | ||
| Ingress protection | — | IP64 |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Width
Galaxy M55
1.1 mm wider · minor difference
Weight
Galaxy M55
4 g lighter · minor difference
Height
Very similar height
Thickness
Very similar thickness
Galaxy M55 vs Note 15 Size Comparison
User Experience Summary
Galaxy M55
Strengths
- Vivid 120Hz Super AMOLED Plus display with punchy colors
- Dependable all-day battery life with 45W fast-charging support
- Stereo speakers and under-display fingerprint sensor uncommon at this price
Compromises
- Camera app is noticeably slow, especially for automatic night-mode shots
- Battery and camera resolution reduced compared with the previous M54
- Phone runs warm during extended gaming or camera app use
Note 15
Strengths
- 6000mAh battery on Helio G100-Ultra
- IP64 durability upgrade over entry Note 14
- 6.77-inch 3200-nit AMOLED brightness
Compromises
- Camera gains feel incremental over Note 14
- Limited long-term reliability data
- HyperOS 2 promotional clutter persists