OnePlus Nord N300 5G vs Xiaomi 15
The Verdict
These phones occupy entirely different market segments. The OnePlus Nord N300 5G is a budget-friendly option at $228 with a 6.56-inch 90Hz IPS display and MediaTek Dimensity 810 processor, suitable for basic tasks and light gaming. Its 4GB RAM and 64GB storage limit multitasking and app performance, though the 5000mAh battery with 33W charging handles daily use adequately. The Xiaomi 15, priced at $599, leverages the flagship Snapdragon 8 Elite processor with 12GB RAM and up to 512GB storage for demanding applications and gaming. Its 6.36-inch LTPO AMOLED display reaches 3200 nits brightness with 1-120Hz refresh rates, vastly superior to the Nord's 550-nit LCD. Camera capabilities differ dramatically: the Nord offers basic 48MP main and 8MP front cameras with 1080p video, while the Xiaomi features a triple camera system including a 50MP f/1.6 main with OIS, 50MP telephoto with optical zoom, and 50MP ultrawide, supporting 8K video recording. Battery technology favors the Xiaomi with its 5400mAh capacity, 90W wired charging, and 50W wireless charging versus the Nord's lack of wireless charging. The Xiaomi also includes IP68 rating and premium materials like Gorilla Glass Victus 2, whereas the Nord lacks water resistance. Choose the Nord N300 for basic smartphone needs on a tight budget; select the Xiaomi 15 if you want a premium flagship experience with powerful performance and versatile cameras.
Who Should Buy
Buy the OnePlus Nord N300 5G if…
- →5G connectivity at a budget-friendly $228
- →33W SUPERVOOC fast charging at this price is impressive
- →5000 mAh battery provides reliable two-day endurance
Buy the Xiaomi 15 if…
- →Snapdragon 8 Elite delivers top-tier performance
- →Triple 50MP camera system with Leica optics at a competitive price
- →Compact 6.36-inch size with flagship specs — rare in 2025
Category Scores
Pros & Cons
OnePlus Nord N300 5G
Pros
- 5G connectivity at a budget-friendly $228
- 33W SUPERVOOC fast charging at this price is impressive
- 5000 mAh battery provides reliable two-day endurance
- Clean OxygenOS with minimal bloatware
- NFC for contactless payments
Cons
- HD+ resolution is noticeably low on the 6.56-inch display
- Only 4 GB RAM and 64 GB storage is very tight
- 2 MP depth sensor is essentially useless
- Dimensity 810 is basic — limited gaming capability
- Only one OS update promised
Xiaomi 15
Pros
- Snapdragon 8 Elite delivers top-tier performance
- Triple 50MP camera system with Leica optics at a competitive price
- Compact 6.36-inch size with flagship specs — rare in 2025
- Blazing 90W wired charging fills the 5400 mAh battery in under 30 minutes
- 3200-nit peak brightness is excellent for outdoor visibility
Cons
- HyperOS still carries some bloatware and ad placements
- 2.6x telephoto lacks the reach of 5x periscope competitors
- Limited global availability compared to Samsung and Apple
- No headphone jack
Full Specifications
| Spec | OnePlus Nord N300 5G | Xiaomi 15 |
|---|---|---|
| Software | Android 12 (OxygenOS 12.1) | Android 15 (HyperOS 2) |
| Body | ||
| Weight | 190 g | 191 g |
| Material | Plastic frame and back | Aluminum frame, Gorilla Glass Victus 2 |
| IP rating | None | IP68 |
| Dimensions | 163.8 x 75.1 x 8.0 mm | 152.3 x 71.2 x 8.08 mm |
| Camera | ||
| Main camera | 48 MP, f/1.8, PDAF | 50 MP, f/1.6, OIS (Light Fusion 900 sensor) |
| Depth | 2 MP, f/2.4 | — |
| Front camera | 8 MP, f/2.0 | 32 MP, f/2.0 |
| Video | 1080p@30fps | 8K@24fps, 4K@60fps |
| Telephoto | — | 50 MP, f/2.0, 2.6x optical zoom |
| Ultrawide | — | 50 MP, f/2.2, 115-degree |
| Memory | ||
| RAM | 4 GB | 12 GB |
| Storage options | 64 GB | 256 GB, 512 GB |
| Battery | ||
| Capacity | 5000 mAh | 5400 mAh |
| Charging | 33W SUPERVOOC | 90W wired |
| Wireless charging | No | 50W wireless |
| Display | ||
| Size | 6.56 inches | 6.36 inches |
| Type | IPS LCD | LTPO AMOLED |
| Resolution | 1612 x 720 | 2670 x 1200 |
| Refresh rate | 90Hz | 1-120Hz |
| Brightness (nits) | 550 | 3200 |
| Processor | ||
| CPU | Octa-core (2x2.4 GHz + 6x2.0 GHz) | Octa-core (2x4.32 GHz + 6x3.53 GHz) |
| GPU | Mali-G57 MC2 | Adreno 830 |
| Chipset | MediaTek Dimensity 810 | 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 |
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 OnePlus products or all Xiaomi products. View full details for the OnePlus Nord N300 5G or the Xiaomi 15.