OnePlus Nord 4 vs Xiaomi 15 Ultra
The Verdict
Xiaomi 15 Ultra dominates as a flagship powerhouse, while OnePlus Nord 4 delivers exceptional value in the mid-range segment. The 15 Ultra features a superior Snapdragon 8 Elite processor versus the Nord 4's 7+ Gen 3, translating to noticeably faster performance and gaming capability. Camera systems tell a clear story: the Xiaomi includes a 200MP telephoto with 5x periscope zoom and a massive 1-inch main sensor, plus 8K video recording, compared to the Nord 4's simpler 50MP setup with 4K only. Display quality favors Xiaomi with 3200x1440 resolution and 3200 nits peak brightness versus 2772x1240 and 2150 nits. Battery capacities are similar (5810 vs 5500 mAh), but Xiaomi adds 50W wireless charging while Nord 4 lacks it entirely. Build quality leans Xiaomi with titanium and Gorilla Glass Victus 2 protection. The Nord 4 compensates with lighter weight (199.5g vs 229g), slightly faster 100W wired charging, and IP65 dust resistance. At $499, the Nord 4 offers phenomenal value for everyday users seeking reliable performance and a premium display. The Xiaomi 15 Ultra justifies its $999 premium for those prioritizing cutting-edge camera capabilities, processing power, and wireless charging.
Who Should Buy
Buy the OnePlus Nord 4 if…
- →Unique all-metal aluminum unibody design
- →Snapdragon 7+ Gen 3 punches above its class
- →Large 5500 mAh battery with 100W charging
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
Category Scores
Pros & Cons
OnePlus Nord 4
Pros
- Unique all-metal aluminum unibody design
- Snapdragon 7+ Gen 3 punches above its class
- Large 5500 mAh battery with 100W charging
- Bright 2150-nit LTPO AMOLED display
- Wi-Fi 7 and Bluetooth 5.4 at mid-range price
Cons
- Weak 8 MP ultrawide camera
- No wireless charging
- Only IP65 splash resistance
- USB-C 2.0 (slow data transfer)
- Not officially sold in North America
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 | OnePlus Nord 4 | Xiaomi 15 Ultra |
|---|---|---|
| Software | Android 14 (OxygenOS 14.1) | Android 15 (HyperOS 2) |
| Body | ||
| Weight | 199.5 g | 229 g |
| Material | Aluminum unibody | Titanium frame, Gorilla Glass Victus 2 |
| IP rating | IP65 | IP68 |
| Dimensions | 162.6 x 75.0 x 8.0 mm | 161.1 x 75.2 x 9.17 mm |
| Camera | ||
| Main camera | 50 MP, f/1.8, OIS (Sony LYT-600) | 50 MP, f/1.63, OIS (1-inch sensor) |
| Front camera | 16 MP, f/2.4 | 32 MP, f/2.0 |
| Video | 4K@30fps | 8K@30fps, 4K@120fps |
| Ultrawide | 8 MP, f/2.2, 112-degree | 50 MP, f/2.0, 128-degree |
| Telephoto | — | 200 MP, f/2.6, 5x periscope optical zoom, OIS |
| Memory | ||
| RAM | 12 GB | 16 GB |
| Storage options | 256 GB, 512 GB | 256 GB, 512 GB, 1 TB |
| Battery | ||
| Capacity | 5500 mAh | 5810 mAh |
| Charging | 100W SuperVOOC wired | 90W wired |
| Wireless charging | No | 50W wireless |
| Display | ||
| Size | 6.74 inches | 6.73 inches |
| Type | LTPO AMOLED | LTPO AMOLED |
| Resolution | 2772 x 1240 | 3200 x 1440 |
| Refresh rate | 1-120Hz | 1-120Hz |
| Brightness (nits) | 2150 | 3200 |
| Processor | ||
| CPU | Octa-core (1x2.8 GHz Cortex-X4 & 4x2.6 GHz Cortex-A720 & 3x1.9 GHz Cortex-A520) | Octa-core (2x4.32 GHz + 6x3.53 GHz) |
| GPU | Adreno 732 | Adreno 830 |
| Chipset | Qualcomm Snapdragon 7+ Gen 3 | Qualcomm Snapdragon 8 Elite |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 2.0 | USB-C 3.2 |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
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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.
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