OnePlus 12 vs Xiaomi 15 Ultra
Which one should you buy?
Who leads where?
- DisplayOnePlus 12
- CameraXiaomi 15 Ultra
- DesignOnePlus 12
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.
The differences in short
Processor: OnePlus 12 Snapdragon 8 Gen 3, Xiaomi 15 Ultra Snapdragon 8 Elite. Screen Size: OnePlus 12 6.82", Xiaomi 15 Ultra 6.73". Main Camera is the same on both: 50 MP. Xiaomi 15 Ultra leads on Battery: 5410 mAh against 5400 mAh. OnePlus 12 leads on Fast Charging: 100 W against 90 W.
Which one for what you do?
Gaming
OnePlus 12
76% – 59%
Photo / Video
Xiaomi 15 Ultra
72% – 68%
Battery Life
Xiaomi 15 Ultra
63% – 50%
Daily Use
OnePlus 12
76% – 69%
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
 OnePlusOnePlus 12No reviews yet |  XiaomiXiaomi 15 UltraNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | Snapdragon 8 Gen 3 | Snapdragon 8 Elite |
| Screen Size | 6.82" | 6.73" |
| Main Camera | 50 MP | 50 MP |
| Battery | 5400 mAh | 5410 mAh |
| Fast Charging | 100 W | 90 W |
| Display | ||
| Size | 6.82" | 6.73" |
| Panel | No data | LTPO AMOLED |
| Resolution | 1440x3168 | 1440x3200 |
| Refresh Rate | 120 Hz | 120 Hz |
| Peak Brightness | 4500 nit | 3200 nit |
| Performance | ||
| Chipset | Snapdragon 8 Gen 3 | Snapdragon 8 Elite |
| Graphics Processor | Adreno 750 | Adreno 830 |
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 4.1 |
| Manufacturing Technology | No data | 3 nm |
| Camera | ||
| Main Camera | 50 MP | 50 MP |
| Main Aperture | f/1.6 | f/1.6 |
| Ultra Wide | 48 MP | 50 MP |
| Telephoto | No data | 4.3x |
| Telephoto Resolution | No data | 200 MP |
| Front Camera | 32 MP | 32 MP |
| Battery and Charging | ||
| Capacity | 5400 mAh | 5410 mAh |
| Cell Type | No data | Si/C Li-Ion |
| Wired Charging | 100 W | 90 W |
| Wireless Charging | No data | 80 W |
| Wireless Charging Support | No data | Yes |
| Design | ||
| Weight | 220 g | 226 g |
| Thickness | 9.15 mm | 9.4 mm |
| Frame | No data | Aluminum |
| Back Surface | No data | Glass fiber reinforced plastic / leather |
| Connectivity | ||
| 5G | Yes | Yes |
| SIM | Dual SIM + eSIM | Dual SIM |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | No data | 6.0 |
| NFC | Yes | Yes |
| Durability and security | ||
| IP Certification | No data | IP68 |
| Biometrics | No data | In-Screen Fingerprint |
| Software | ||
| Operating System | Android | Android |
| Version | Android 14 | Android 15 |
| Interface | OxygenOS 14 | HyperOS 3 |
| Update Promise | No data | 4 major version updates |
| Multimedia and ports | ||
| Speaker | No data | Stereo |
| Headphone jack | No data | No |
| USB | USB Type-C | USB Type-C |
OnePlus 12 leads on 4 of 6 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.