OnePlus 9 Pro vs Xiaomi 15 Ultra
The OnePlus 9 Pro (2021) runs on the Qualcomm Snapdragon 888, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $969 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 64/100 (a 21-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4500); the main camera is 48 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,185,805); per DXOMark lab testing, the Xiaomi 15 Ultra has the stronger camera (159 vs 122); the OnePlus 9 Pro is noticeably lighter (197g vs 225g).
OnePlus 9 Pro
Xiaomi 15 Ultra
- Lighter: 197g vs 225g
- Cheaper: $969 vs $999
- Better portability (53/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 1185805
- Better Geekbench Single: 3050 vs 1488
- Better Geekbench Multi: 10200 vs 3373
- Bigger battery: 6000 vs 4500 mAh
- Faster charging: 90W vs 65W
- Better main camera: 50MP vs 48MP
- Higher performance (92/100 vs 64/100)
- Better camera (87/100 vs 59/100)
- Longer battery life (80/100 vs 57/100)
Comparing the OnePlus 9 Pro vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 21 points higher (85/100 vs 64/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 64/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 59/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 57/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the OnePlus 9 Pro (92/100 vs 64/100). In the "display" category, both devices are on the same level — 90/100. In the "camera" category, the Xiaomi 15 Ultra notably outperforms the OnePlus 9 Pro (87/100 vs 59/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the OnePlus 9 Pro (80/100 vs 57/100). In the "portability" category, the OnePlus 9 Pro notably outperforms the Xiaomi 15 Ultra (53/100 vs 29/100).
| Specification | OnePlus 9 Pro | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1185805 | 3030376 | |
| Geekbench Single | 1488 | 3050 | |
| Geekbench Multi | 3373 | 10200 | |
| Display | 6.7" LTPO AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 3216x1440 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 6000 mAh | |
| Charging | 65W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | 122 | 159 | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 8 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB / 12GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 1300 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.2×73.6×8.7 mm | 161.3×75.3×9.4 mm | |
| Weight | 197 g | 225 g | |
| Price | $969 | $999 |
OnePlus 9 Pro
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Telephoto: 8MP
- Front: 16MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
OnePlus 9 Pro
- 6.7" LTPO AMOLED
- Resolution: 3216x1440
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
OnePlus 9 Pro
- 4500 mAh
- Wired: 65W
- Wireless: 50W
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared OnePlus 9 Pro and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads OnePlus 9 Pro by 60.9% in our overall performance rating.
Price difference: $30. OnePlus 9 Pro is cheaper by $30.
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the OnePlus 9 Pro (92/100 vs 64/100).
display
In the "display" category, both devices are on the same level — 90/100.
camera
In the "camera" category, the Xiaomi 15 Ultra notably outperforms the OnePlus 9 Pro (87/100 vs 59/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the OnePlus 9 Pro (80/100 vs 57/100).
portability
In the "portability" category, the OnePlus 9 Pro notably outperforms the Xiaomi 15 Ultra (53/100 vs 29/100).
Which is better: the OnePlus 9 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the OnePlus 9 Pro by 21 points (85/100 vs 64/100).
What is the rating of the OnePlus 9 Pro and the Xiaomi 15 Ultra?
The OnePlus 9 Pro has a MobileRank rating of 64/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the OnePlus 9 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 59/100).
Which is more powerful: the OnePlus 9 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 64/100).
Should you choose the OnePlus 9 Pro over the Xiaomi 15 Ultra?
The OnePlus 9 Pro is a better fit for active users. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.