OnePlus Nord CE 3 vs Xiaomi 15 Ultra
The Verdict
These phones target entirely different market segments. The OnePlus Nord CE 3 delivers solid mid-range performance with its Snapdragon 782G, 120Hz AMOLED display at 950 nits, and competent 50MP main camera with OIS. The 5000mAh battery charges quickly at 67W. However, it uses plastic construction, IP54 rating, and lacks wireless charging. The Xiaomi 15 Ultra is a flagship powerhouse featuring the Snapdragon 8 Elite processor, substantially brighter 3200-nit LTPO display with 3200x1440 resolution, and exceptional camera hardware including a 1-inch 50MP sensor, 200MP telephoto with 5x optical zoom, and 8K video recording. Its 5810mAh battery supports 90W wired and 50W wireless charging. Build quality is premium with titanium and Gorilla Glass Victus 2, plus IP68 water resistance. The Xiaomi also offers 16GB RAM and up to 1TB storage versus the OnePlus's 8GB and 256GB maximum. For the price difference of $700, the 15 Ultra provides flagship features that justify premium positioning. The Nord CE 3 remains excellent value for budget-conscious users needing reliable everyday performance, but it cannot compete with the Xiaomi's specifications or capabilities.
Who Should Buy
Buy the OnePlus Nord CE 3 if…
- →67W fast charging at an affordable price
- →120Hz AMOLED display looks great
- →Large 5000 mAh battery for all-day use
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 CE 3
Pros
- 67W fast charging at an affordable price
- 120Hz AMOLED display looks great
- Large 5000 mAh battery for all-day use
- OIS on the main camera is unusual at this price
- Lightweight and slim for a 6.7-inch phone
Cons
- Snapdragon 782G is a mid-tier chip
- Weak 8 MP ultrawide camera
- No wireless charging
- Only Wi-Fi 5 support
- IP54 is minimal water resistance
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 CE 3 | Xiaomi 15 Ultra |
|---|---|---|
| Software | Android 13 (OxygenOS 13.1) | Android 15 (HyperOS 2) |
| Body | ||
| Weight | 193 g | 229 g |
| Material | Plastic back, aluminum frame | Titanium frame, Gorilla Glass Victus 2 |
| IP rating | IP54 | IP68 |
| Dimensions | 163.9 x 75.0 x 8.1 mm | 161.1 x 75.2 x 9.17 mm |
| Camera | ||
| Main camera | 50 MP, f/1.8, OIS | 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 | 50 MP, f/2.0, 128-degree |
| Telephoto | — | 200 MP, f/2.6, 5x periscope optical zoom, OIS |
| Memory | ||
| RAM | 8 GB | 16 GB |
| Storage options | 128 GB, 256 GB | 256 GB, 512 GB, 1 TB |
| Battery | ||
| Capacity | 5000 mAh | 5810 mAh |
| Charging | 67W SuperVOOC wired | 90W wired |
| Wireless charging | No | 50W wireless |
| Display | ||
| Size | 6.7 inches | 6.73 inches |
| Type | AMOLED | LTPO AMOLED |
| Resolution | 2412 x 1080 | 3200 x 1440 |
| Refresh rate | 120Hz | 1-120Hz |
| Brightness (nits) | 950 | 3200 |
| Processor | ||
| CPU | Octa-core (1x2.7 GHz Cortex-A78 & 3x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55) | Octa-core (2x4.32 GHz + 6x3.53 GHz) |
| GPU | Adreno 642L | Adreno 830 |
| Chipset | Qualcomm Snapdragon 782G | Qualcomm Snapdragon 8 Elite |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 2.0 | USB-C 3.2 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.2 | 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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