Nothing Phone 3 vs Xiaomi 15 Ultra
The Verdict
The Nothing Phone 3 and Xiaomi 15 Ultra sit in the same category and end up appealing to slightly different buyers. The Nothing Phone 3 is the cheaper of the two at $799 versus $999, a difference of about $200. Nothing Phone 3 stands out for unique glyph interface design with customizable led patterns, while Xiaomi 15 Ultra is praised for 200mp periscope telephoto with 5x optical zoom rivals galaxy s25 ultra. Use the side-by-side spec table below to compare cameras, displays, battery life and connectivity in detail and decide which one fits your priorities.
Who Should Buy
Buy the Nothing Phone 3 if…
- →Unique Glyph Interface design with customizable LED patterns
- →50 MP triple camera with 3x periscope telephoto
- →Clean Nothing OS with 5 years of Android upgrades
Buy the Xiaomi 15 Ultra if…
- →200MP periscope telephoto with 5x optical zoom rivals Galaxy S25 Ultra
- →1-inch main sensor with Leica optics produces stunning photos
- →Titanium frame gives a premium, durable build
Pros & Cons
Nothing Phone 3
Pros
- Unique Glyph Interface design with customizable LED patterns
- 50 MP triple camera with 3x periscope telephoto
- Clean Nothing OS with 5 years of Android upgrades
- 65W fast charging and 15W wireless charging
- IP68 water and dust resistance
Cons
- 218g is on the heavier side
- USB 2.0 instead of USB 3.x
- Camera post-processing behind top flagships
Xiaomi 15 Ultra
Pros
- 200MP periscope telephoto with 5x optical zoom rivals Galaxy S25 Ultra
- 1-inch main sensor with Leica optics produces stunning photos
- Titanium frame gives a premium, durable build
- 4K@120fps video recording is industry-leading
- 90W fast charging and 50W wireless on a huge 5810 mAh battery
Cons
- Heavy at 229 g and thick at 9.17 mm
- Very expensive at $999 with limited global availability
- HyperOS software experience lags behind iOS and One UI
- Camera bump is extremely large
Full Specifications
| Spec | Nothing Phone 3 | Xiaomi 15 Ultra |
|---|---|---|
| Software | Android 15, Nothing OS 3.5 | Android 15 (HyperOS 2) |
| Body | ||
| Weight | 218 g | 229 g |
| Material | Aluminum frame, Gorilla Glass Victus back | Titanium frame, Gorilla Glass Victus 2 |
| IP rating | IP68 | IP68 |
| Dimensions | 160.6 x 75.6 x 9.0 mm | 161.1 x 75.2 x 9.17 mm |
| Camera | ||
| Main camera | 50 MP, f/1.7, 24mm, 1/1.3", OIS, PDAF | 50 MP, f/1.63, OIS (1-inch sensor) |
| Front camera | 50 MP, f/2.2 | 32 MP, f/2.0 |
| Video | 4K@30/60fps | 8K@30fps, 4K@120fps |
| Telephoto | 50 MP, f/2.7, 3x optical zoom, periscope, OIS | 200 MP, f/2.6, 5x periscope optical zoom, OIS |
| Ultrawide | 50 MP, f/2.2, 114-degree | 50 MP, f/2.0, 128-degree |
| Memory | ||
| RAM | 12 GB / 16 GB | 16 GB |
| Storage options | 256 GB, 512 GB | 256 GB, 512 GB, 1 TB |
| Battery | ||
| Capacity | 5150 mAh | 5810 mAh |
| Charging | 65W wired | 90W wired |
| Wireless charging | 15W wireless, 5W reverse | 50W wireless |
| Display | ||
| Size | 6.67 inches | 6.73 inches |
| Type | OLED, HDR10+ | LTPO AMOLED |
| Resolution | 1260 x 2800 | 3200 x 1440 |
| Refresh rate | 120Hz | 1-120Hz |
| Brightness (nits) | 4500 | 3200 |
| Processor | ||
| CPU | Octa-core (1x3.21 GHz Cortex-X4 + 3x3.0 GHz A720 + 2x2.8 GHz A720 + 2x2.0 GHz A720) | Octa-core (2x4.32 GHz + 6x3.53 GHz) |
| GPU | Adreno 825 | Adreno 830 |
| Chipset | Qualcomm Snapdragon 8s Gen 4 | Qualcomm Snapdragon 8 Elite |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 2.0 | USB-C 3.2 |
| Wi-Fi | Wi-Fi 7 (tri-band) | Wi-Fi 7 |
| Bluetooth | 6.0 | 5.4 |
Want to compare a third product?
Add another product for a 3-way comparison.
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in phones, see all Nothing products or all Xiaomi products. View full details for the Nothing Phone 3 or the Xiaomi 15 Ultra.