OnePlus 8 Pro vs Xiaomi 15 Ultra
The OnePlus 8 Pro (2020) runs on the Qualcomm Snapdragon 865, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $899 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 59/100 (a 26-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4510); the main camera is 48 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 964,589); per DXOMark lab testing, the Xiaomi 15 Ultra has the stronger camera (159 vs 113); the OnePlus 8 Pro is noticeably lighter (199g vs 225g).
OnePlus 8 Pro
Xiaomi 15 Ultra
- Lighter: 199g vs 225g
- Cheaper at launch: $899 vs $999
- Better portability (54/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 964589
- Better Geekbench Single: 3050 vs 1168
- Better Geekbench Multi: 10200 vs 3431
- Bigger battery: 6000 vs 4510 mAh
- Faster charging: 90W vs 30W
- Better main camera: 50MP vs 48MP
- Faster wireless charging: 50W vs 30W
- Higher performance (92/100 vs 59/100)
- Better camera (87/100 vs 52/100)
- Longer battery life (80/100 vs 46/100)
- Better display (90/100 vs 89/100)
Comparing the OnePlus 8 Pro vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 26 points higher (85/100 vs 59/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 59/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 52/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 46/100). Value score: OnePlus 8 Pro — 30/100, Xiaomi 15 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the OnePlus 8 Pro (92/100 vs 59/100). In the "display" category, the Xiaomi 15 Ultra and the OnePlus 8 Pro are nearly equal (90/100 vs 89/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the OnePlus 8 Pro (87/100 vs 52/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the OnePlus 8 Pro (80/100 vs 46/100). In the "portability" category, the OnePlus 8 Pro notably outperforms the Xiaomi 15 Ultra (54/100 vs 29/100).
| Specification | OnePlus 8 Pro | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 865 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 964589 | 3030376 | |
| Geekbench Single | 1168 | 3050 | |
| Geekbench Multi | 3431 | 10200 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 3168x1440 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4510 mAh | 6000 mAh | |
| Charging | 30W | 90W | |
| Wireless charging | 30W | 50W | |
| DXOMark (camera) | 113 | 159 | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 48 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 10 | Android 15 / HyperOS 2 | |
| Brightness (peak) | — | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 165.3×74.4×8.5 mm | 161.3×75.3×9.4 mm | |
| Weight | 199 g | 225 g | |
| Launch price | $899 | $999 |
OnePlus 8 Pro
- Main: 48MP f/1.78
- Ultrawide: 48MP
- Telephoto: 8MP
- Front: 16MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
OnePlus 8 Pro
- 6.8" AMOLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
OnePlus 8 Pro
- 4510 mAh
- Wired: 30W
- Wireless: 30W
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared OnePlus 8 Pro and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads OnePlus 8 Pro by 68.2% in our overall performance rating.
Launch price difference: $100. OnePlus 8 Pro was $100 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the OnePlus 8 Pro (92/100 vs 59/100).
display
In the "display" category, the Xiaomi 15 Ultra and the OnePlus 8 Pro are nearly equal (90/100 vs 89/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the OnePlus 8 Pro (87/100 vs 52/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the OnePlus 8 Pro (80/100 vs 46/100).
portability
In the "portability" category, the OnePlus 8 Pro notably outperforms the Xiaomi 15 Ultra (54/100 vs 29/100).
Which is better: the OnePlus 8 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the OnePlus 8 Pro by 26 points (85/100 vs 59/100).
What is the rating of the OnePlus 8 Pro and the Xiaomi 15 Ultra?
The OnePlus 8 Pro has a MobileRank rating of 59/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the OnePlus 8 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 52/100).
Which is more powerful: the OnePlus 8 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 59/100).
Should you choose the OnePlus 8 Pro over the Xiaomi 15 Ultra?
The OnePlus 8 Pro is a better fit for everyday use. 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.