OnePlus 9 vs Xiaomi 15 Ultra
38.6Performance79.1
46.6Display69.1
39.3Camera73.2
55.9Battery79
65.3Features78.7
2 spec wins — OnePlus 915 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 46.5, pulling ahead mainly in performance (+40) and camera (+34). OnePlus 9 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OnePlus 9
- 15% lower weight: 192 g vs 226 g
- Lower launch price: $729 vs $1,499
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 39
- Stronger display score: 69 vs 47
- Stronger camera score: 73 vs 39
- Stronger battery score: 79 vs 56
- Stronger features score: 79 vs 65
Display
| Spec | OnePlus 9 | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.55 ″ | 6.73 ″+3% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 2400x1080 | 1440x3200 |
| Pixel density | 402 ppi | 522 ppi+30% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,100 nits | 3,200 nits+191% |
| Screen-to-body | — | 90 % |
Performance
| Spec | OnePlus 9 | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Snapdragon 888 | Snapdragon 8 Elite |
| AnTuTu 10 | 1,040,324Top 46% | 2,650,000+155%Top 4% |
| Geekbench 6 (single) | 1,450Top 48% | 3,050+110%Top 7% |
| Geekbench 6 (multi) | 3,650Top 53% | 9,600+163%Top 5% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB / 256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.1 |
Camera
| Spec | OnePlus 9 | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 48 MP | 50 MP+4% |
| Main aperture | f/1.8 | f/1.63 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | — | 200 MP |
| Optical zoom | — | 4.3 x |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 16 MP | 32 MP+100% |
| OIS | No | Yes |
Battery
| Spec | OnePlus 9 | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 4,500 mAh | 5,410 mAh+20% |
| Wired charging | 65 W | 90 W+38% |
| Wireless charging | 15 W | 80 W+433% |
| Active use endurance | — | 12 h |
Design
| Spec | OnePlus 9 | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 192 g+15% | 226 g |
| Thickness | 8.7 mm+7% | 9.4 mm |
| IP rating | — | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | OnePlus 9 | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.2 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 3.1 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | OnePlus 9 | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 11 (OxygenOS 11) | Android 15 (HyperOS 2) |
| OS update pledge | 3 years | 4 years+33% |
Audio
| Spec | OnePlus 9 | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |