OnePlus 12 vs Xiaomi 15
The Verdict
OnePlus 12 and Xiaomi 15 represent compelling but distinctly different flagship approaches. OnePlus prioritizes display excellence with its 6.82-inch 4500-nit LTPO AMOLED panel and superior camera versatility via a 3x periscope telephoto lens, alongside faster 100W charging. Xiaomi 15 counters with the newer Snapdragon 8 Elite chip, lighter 191g design, superior IP68 water resistance, and more aggressive $599 pricing,$200 less than OnePlus. Display resolution favors OnePlus (3168x1440 vs 2670x1200), yet Xiaomi's 8-Elite processor edges Snapdragon 8 Gen 3 in raw performance. Camera systems are competitive; OnePlus's 64MP telephoto provides better zoom reach, while Xiaomi's Light Fusion 900 sensor excels in low-light capture. Battery capacity matches at 5400mAh, though OnePlus's 100W charging provides faster top-ups. For premium display enthusiasts and zoom photography, OnePlus 12 justifies its premium. Budget-conscious buyers prioritizing processor performance and durability should choose Xiaomi 15.
Who Should Buy
Buy the OnePlus 12 if…
- →Blistering 4500-nit peak display brightness
- →Snapdragon 8 Gen 3 flagship performance
- →100W wired and 50W wireless charging
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 12
Pros
- Blistering 4500-nit peak display brightness
- Snapdragon 8 Gen 3 flagship performance
- 100W wired and 50W wireless charging
- 64 MP 3x periscope telephoto
- Large 5400 mAh battery
Cons
- Only IP65 rating (vs IP68 on rivals)
- Heavy at 220 g
- Limited to 4 years of OS updates
- No mmWave 5G in US
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 12 | Xiaomi 15 |
|---|---|---|
| Software | Android 14 (OxygenOS 14) | Android 15 (HyperOS 2) |
| Body | ||
| Weight | 220 g | 191 g |
| Material | Aluminum frame, Gorilla Glass Victus 2 | Aluminum frame, Gorilla Glass Victus 2 |
| IP rating | IP65 | IP68 |
| Dimensions | 164.3 x 75.8 x 9.2 mm | 152.3 x 71.2 x 8.08 mm |
| Camera | ||
| Main camera | 50 MP, f/1.6, OIS (Sony LYT-808) | 50 MP, f/1.6, OIS (Light Fusion 900 sensor) |
| Front camera | 32 MP, f/2.4 | 32 MP, f/2.0 |
| Video | 8K@24fps, 4K@60fps | 8K@24fps, 4K@60fps |
| Telephoto | 64 MP, f/2.6, 3x optical periscope | 50 MP, f/2.0, 2.6x optical zoom |
| Ultrawide | 48 MP, f/2.2, 114-degree | 50 MP, f/2.2, 115-degree |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage options | 256 GB, 512 GB | 256 GB, 512 GB |
| Battery | ||
| Capacity | 5400 mAh | 5400 mAh |
| Charging | 100W SuperVOOC wired (80W in US) | 90W wired |
| Wireless charging | 50W AirVOOC | 50W wireless |
| Display | ||
| Size | 6.82 inches | 6.36 inches |
| Type | LTPO AMOLED | LTPO AMOLED |
| Resolution | 3168 x 1440 | 2670 x 1200 |
| Refresh rate | 1-120Hz | 1-120Hz |
| Brightness (nits) | 4500 | 3200 |
| Processor | ||
| CPU | Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) | Octa-core (2x4.32 GHz + 6x3.53 GHz) |
| GPU | Adreno 750 | Adreno 830 |
| Chipset | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Elite |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 3.2 | USB-C 3.2 |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
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.
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