Samsung
Device summary
Xiaomi
14 Ultra
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2024 |
| Starting price | — | — |
| Display size | 6.5-inch | 6.7-inch |
| Dimensions | 76.8 mm × 160.1 mm × 9.3 mm | 75.3 mm × 161.4 mm × 9.2 mm |
| Weight | 217 g | 220 g |
| Front material | — | — |
| Back material | — | — |
| Display | ||
| Display technology | Super AMOLED | LTPO AMOLED |
| Resolution | 1080 × 2340 | 3200 × 1440 |
| Refresh rate | 90 Hz | 120 Hz |
| Peak brightness | — | 3000 nits |
| Protection | — | Xiaomi Shield Glass |
| Performance | ||
| Chipset | MediaTek Dimensity 6100+ | Snapdragon 8 Gen 3 Mobile Platform |
| RAM | 4 GB, 6 GB | 16 GB |
| Storage | 128 GB | 512 GB |
| Expandable storage | Yes | No |
| Cameras | ||
| Main camera | Wide · 50 MP | Wide · 50 MP · f/1.63-f/4.0 · OIS |
| Ultra-wide camera | Ultra Wide · 5 MP | Ultra Wide · 50 MP · f/1.8 |
| Telephoto camera | — | Telephoto · 50 MP · f/1.8 · OIS |
| Periscope camera | — | Periscope · 50 MP · f/2.5 · OIS |
| Macro camera | Macro · 2 MP | — |
| Front cameras | Selfie · 13 MP | Selfie · 32 MP · f/2.0 |
| Battery & charging | ||
| Wired charging | 25 W | 90 W |
| Wireless charging | — | 80 W |
| Charging standard | Super Fast Charging | — |
| Typical capacity | 6000 mAh | 5000 mAh |
| Connectivity | ||
| Cellular | 5G, LTE | 5G, LTE, 3G, 2G |
| Wi‑Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.4 |
| USB | USB Type-C | USB-C 3.2 Gen 2 |
| NFC | Yes | Yes |
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2024 |
| Starting price | — | — |
| Display size | 6.5-inch | 6.7-inch |
| Dimensions | 76.8 mm × 160.1 mm × 9.3 mm | 75.3 mm × 161.4 mm × 9.2 mm |
| Weight | 217 g | 220 g |
| Front material | — | — |
| Back material | — | — |
| Display | ||
| Display technology | Super AMOLED | LTPO AMOLED |
| Resolution | 1080 × 2340 | 3200 × 1440 |
| Refresh rate | 90 Hz | 120 Hz |
| Peak brightness | — | 3000 nits |
| Protection | — | Xiaomi Shield Glass |
| Performance | ||
| Chipset | MediaTek Dimensity 6100+ | Snapdragon 8 Gen 3 Mobile Platform |
| RAM | 4 GB, 6 GB | 16 GB |
| Storage | 128 GB | 512 GB |
| Expandable storage | Yes | No |
| Cameras | ||
| Main camera | Wide · 50 MP | Wide · 50 MP · f/1.63-f/4.0 · OIS |
| Ultra-wide camera | Ultra Wide · 5 MP | Ultra Wide · 50 MP · f/1.8 |
| Telephoto camera | — | Telephoto · 50 MP · f/1.8 · OIS |
| Periscope camera | — | Periscope · 50 MP · f/2.5 · OIS |
| Macro camera | Macro · 2 MP | — |
| Front cameras | Selfie · 13 MP | Selfie · 32 MP · f/2.0 |
| Battery & charging | ||
| Wired charging | 25 W | 90 W |
| Wireless charging | — | 80 W |
| Charging standard | Super Fast Charging | — |
| Typical capacity | 6000 mAh | 5000 mAh |
| Connectivity | ||
| Cellular | 5G, LTE | 5G, LTE, 3G, 2G |
| Wi‑Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.4 |
| USB | USB Type-C | USB-C 3.2 Gen 2 |
| NFC | Yes | Yes |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Width
Galaxy M15
1.5 mm wider · minor difference
Height
14 Ultra
1.3 mm taller · minor difference
Weight
Galaxy M15
3 g lighter · minor difference
Thickness
Very similar thickness
Galaxy M15 vs 14 Ultra Size Comparison
User Experience Summary
Galaxy M15
Strengths
- Unusually large 6,000mAh battery reliably delivers two days of normal use
- Vibrant AMOLED display rare at this price point
- Versatile triple-camera setup with a rare ultrawide lens for the budget
Compromises
- 217g weight is noticeably heavy for a 6.5-inch display
- Dimensity 6100+ shows occasional dropped frames and waiting times
- Low-light camera performance and 1080p video are clear compromises
14 Ultra
Strengths
- Exceptional Leica camera versatility with variable aperture
- 90W wired and 80W wireless fast charging
- Excellent high-refresh display for editing and HDR media
Compromises
- Heavy 219.8 g body with pocket-snagging camera bump
- Real-world battery merely OK despite 5,000 mAh cell
- Thermal warmth and throttling under sustained stress

