OnePlus 9 Pro vs Xiaomi 18 Pro
The OnePlus 9 Pro (2021) runs on the Qualcomm Snapdragon 888, while the Xiaomi 18 Pro (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 6; launch prices were $969 and $845. By overall MobileRank rating, the Xiaomi 18 Pro leads — 92/100 vs 65/100 (a 27-point difference). Key differences: the Xiaomi 18 Pro has the bigger battery (7000 mAh vs 4500); the main camera is 48 MP vs 200 MP; the Xiaomi 18 Pro is faster in AnTuTu (4,888,150 vs 1,185,805).
Profile comparison
Category scores
OnePlus 9 Pro
Xiaomi 18 Pro
What makes OnePlus 9 Pro better?
- Lighter: 197g vs 203g
- Better display (90/100 vs 82/100)
- Better portability (53/100 vs 52/100)
What makes Xiaomi 18 Pro better?
- Higher AnTuTu: 4888150 vs 1185805
- Better Geekbench Single: 4301 vs 1500
- Better Geekbench Multi: 12490 vs 3537
- Bigger battery: 7000 vs 4500 mAh
- Faster charging: 100W vs 65W
- Better main camera: 200MP vs 48MP
- Cheaper at launch: $845 vs $969
- Higher performance (100/100 vs 65/100)
- Better camera (100/100 vs 59/100)
- Longer battery life (87/100 vs 57/100)
Comparison verdict
Comparing the OnePlus 9 Pro vs the Xiaomi 18 Pro, the Xiaomi 18 Pro scores 27 points higher (92/100 vs 65/100). In the "performance" category, the Xiaomi 18 Pro leads (100/100 vs 65/100). In the "camera" category, the Xiaomi 18 Pro leads (100/100 vs 59/100). In the "battery" category, the Xiaomi 18 Pro leads (87/100 vs 57/100). Value score: OnePlus 9 Pro — 42/100, Xiaomi 18 Pro — 98/100; 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 18 Pro significantly outperforms the OnePlus 9 Pro (100/100 vs 65/100). In the "display" category, the OnePlus 9 Pro is a bit better (90/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro significantly outperforms the OnePlus 9 Pro (100/100 vs 59/100). In the "battery" category, the Xiaomi 18 Pro significantly outperforms the OnePlus 9 Pro (87/100 vs 57/100). In the "portability" category, the OnePlus 9 Pro and the Xiaomi 18 Pro are nearly equal (53/100 vs 52/100).
Specs comparison
| Specification | OnePlus 9 Pro | Xiaomi 18 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite Gen 6 | |
| AnTuTu | 1185805 | 4888150 | |
| Geekbench Single | 1500 | 4301 | |
| Geekbench Multi | 3537 | 12490 | |
| Display | 6.7" LTPO AMOLED | 6.4" LTPO AMOLED | |
| Resolution | 3216x1440 | 1120x2436 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 7000 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | 122 | — | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 8 MP | 200 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 17 | |
| Brightness (peak) | 1300 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 163.2×73.6×8.7 mm | 151.8×72.0×8.5 mm | |
| Weight | 197 g | 203 g | |
| Launch price | $969 | $845 |
Camera comparison
OnePlus 9 Pro
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Telephoto: 8MP
- Front: 16MP
Xiaomi 18 Pro
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
OnePlus 9 Pro
- 6.7" LTPO AMOLED
- Resolution: 3216x1440
- Refresh rate: 120 Hz
Xiaomi 18 Pro
- 6.4" LTPO AMOLED
- Resolution: 1120x2436
- Refresh rate: 120 Hz
Battery and charging
OnePlus 9 Pro
- 4500 mAh
- Wired: 65W
- Wireless: 50W
Xiaomi 18 Pro
- 7000 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared OnePlus 9 Pro and Xiaomi 18 Pro, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro leads OnePlus 9 Pro by 75.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $124. Xiaomi 18 Pro was $124 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro significantly outperforms the OnePlus 9 Pro (100/100 vs 65/100).
display
In the "display" category, the OnePlus 9 Pro is a bit better (90/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro significantly outperforms the OnePlus 9 Pro (100/100 vs 59/100).
battery
In the "battery" category, the Xiaomi 18 Pro significantly outperforms the OnePlus 9 Pro (87/100 vs 57/100).
portability
In the "portability" category, the OnePlus 9 Pro and the Xiaomi 18 Pro are nearly equal (53/100 vs 52/100).
Frequently asked questions
Which is better: the OnePlus 9 Pro or the Xiaomi 18 Pro?
The Xiaomi 18 Pro significantly outperforms the OnePlus 9 Pro by 27 points (92/100 vs 65/100).
What is the rating of the OnePlus 9 Pro and the Xiaomi 18 Pro?
The OnePlus 9 Pro has a MobileRank rating of 65/100, the Xiaomi 18 Pro — 92/100.
Which has the better camera: the OnePlus 9 Pro or the Xiaomi 18 Pro?
The Xiaomi 18 Pro leads on camera score (100/100 vs 59/100).
Which is more powerful: the OnePlus 9 Pro or the Xiaomi 18 Pro?
The Xiaomi 18 Pro leads on performance (100/100 vs 65/100).
Should you choose the OnePlus 9 Pro over the Xiaomi 18 Pro?
The OnePlus 9 Pro is a better fit for active users. The Xiaomi 18 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.