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; launch prices were $969 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 65/100 (a 20-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).
Profile comparison
Category scores
OnePlus 9 Pro
Xiaomi 15 Ultra
What makes OnePlus 9 Pro better?
- Lighter: 197g vs 225g
- Cheaper at launch: $969 vs $999
- Better portability (53/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1185805
- Better Geekbench Single: 3050 vs 1500
- Better Geekbench Multi: 10200 vs 3537
- Bigger battery: 6000 vs 4500 mAh
- Faster charging: 90W vs 65W
- Better main camera: 50MP vs 48MP
- Higher performance (92/100 vs 65/100)
- Better camera (87/100 vs 59/100)
- Longer battery life (80/100 vs 57/100)
Comparison verdict
Comparing the OnePlus 9 Pro vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 20 points higher (85/100 vs 65/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 65/100). 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). Value score: OnePlus 9 Pro — 42/100, Xiaomi 15 Ultra — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Xiaomi 15 Ultra notably outperforms the OnePlus 9 Pro (92/100 vs 65/100). 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).
Specs comparison
| Specification | OnePlus 9 Pro | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1185805 | 3030376 | |
| Geekbench Single | 1500 | 3050 | |
| Geekbench Multi | 3537 | 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 | |
| Launch price | $969 | $999 |
Camera comparison
OnePlus 9 Pro
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Telephoto: 8MP
- Front: 16MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
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
Battery and charging
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
Overall performance score
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.
Benchmarks
Launch prices and where to check today's
Launch price difference: $30. OnePlus 9 Pro was $30 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the OnePlus 9 Pro (92/100 vs 65/100).
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).
Frequently asked questions
Which is better: the OnePlus 9 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the OnePlus 9 Pro by 20 points (85/100 vs 65/100).
What is the rating of the OnePlus 9 Pro and the Xiaomi 15 Ultra?
The OnePlus 9 Pro has a MobileRank rating of 65/100, 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 65/100).
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, budget-conscious buyers.