Nothing Phone (4b) vs Xiaomi 15 Ultra
Which one should you buy?
Who leads where?
- DisplayXiaomi 15 Ultra
- PerformanceXiaomi 15 Ultra
- CameraXiaomi 15 Ultra
- Battery and ChargingXiaomi 15 Ultra
- DesignNothing Phone (4b)
Wins are counted from the official values in the table below; the BUY / CONSIDER / WAIT call comes from each product's own decision box. We do not predict prices.
 NothingNothing Phone (4b)No reviews yet |  XiaomiXiaomi 15 UltraNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | Snapdragon 6 Gen 4 | Snapdragon 8 Elite |
| Screen Size | 6.77" | 6.73" |
| Main Camera | 50 MP | 50 MP |
| Battery | 5200 mAh | 5410 mAh |
| Fast Charging | 33 W | 90 W |
| Display | ||
| Size | 6.77" | 6.73" |
| Panel | AMOLED | LTPO AMOLED |
| Resolution | 1080x2344 | 1440x3200 |
| Refresh Rate | 120 Hz | 120 Hz |
| Peak Brightness | 2000 nit | 3200 nit |
| Performance | ||
| Chipset | Snapdragon 6 Gen 4 | Snapdragon 8 Elite |
| Graphics Processor | Adreno 810 | Adreno 830 |
| RAM | 8 GB | 12 GB |
| Storage | 128 GB | 256 GB |
| Storage type | UFS 2.2 | UFS 4.1 |
| Manufacturing Technology | 4 nm | 3 nm |
| Camera | ||
| Main Camera | 50 MP | 50 MP |
| Main Aperture | f/1.8 | f/1.6 |
| Ultra Wide | 8 MP | 50 MP |
| Telephoto | — | 4.3x |
| Telephoto Resolution | — | 200 MP |
| Front Camera | 16 MP | 32 MP |
| Battery and Charging | ||
| Capacity | 5200 mAh | 5410 mAh |
| Cell Type | — | Si/C Li-Ion |
| Wired Charging | 33 W | 90 W |
| Wireless Charging | — | 80 W |
| Wireless Charging Support | No | Yes |
| Design | ||
| Weight | 210 g | 226 g |
| Thickness | 8.6 mm | 9.4 mm |
| Frame | Plastic | Aluminum |
| Back Surface | Plastic | Glass fiber reinforced plastic / leather |
| Connectivity | ||
| 5G | Yes | Yes |
| SIM | Dual Nano-SIM | Dual SIM |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 6.0 | 6.0 |
| NFC | Yes | Yes |
| Durability and security | ||
| IP Certification | IP64 | IP68 |
| Biyometrik | Optical in-display fingerprint | In-Screen Fingerprint |
| Software | ||
| Operating System | Android | Android |
| Version | Android 16 | Android 15 |
| Interface | Nothing OS 4.1 | HyperOS 3 |
| Update Promise | — | 4 major version updates |
| Multimedia and ports | ||
| Speaker | Stereo | Stereo |
| Headphone jack | — | No |
| USB | USB Type-C 2.0 | USB Type-C |
Xiaomi 15 Ultra leads on 10 of 12 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.