OnePlus 15 vs Xiaomi Mi 11 Ultra
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi Mi 11 Ultra (2021) runs on the Qualcomm Snapdragon 888. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 68/100 (a 18-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 5000); the OnePlus 15 is faster in AnTuTu (3,621,671 vs 1,037,544); the OnePlus 15 is noticeably lighter (213g vs 234g).
OnePlus 15
Xiaomi Mi 11 Ultra
- Higher AnTuTu: 3621671 vs 1037544
- Better Geekbench Single: 3640 vs 1488
- Better Geekbench Multi: 11033 vs 3373
- Bigger battery: 6500 vs 5000 mAh
- Faster charging: 120W vs 67W
- Lighter: 213g vs 234g
- Higher performance (97/100 vs 62/100)
- Better camera (78/100 vs 73/100)
- Longer battery life (89/100 vs 68/100)
- Better portability (50/100 vs 34/100)
- Faster wireless charging: 67W vs 50W
- Better display (89/100 vs 84/100)
Comparing the OnePlus 15 vs the Xiaomi Mi 11 Ultra, the OnePlus 15 scores 18 points higher (86/100 vs 68/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 62/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 68/100). In the "performance" category, the OnePlus 15 significantly outperforms the Xiaomi Mi 11 Ultra (97/100 vs 62/100). In the "display" category, the Xiaomi Mi 11 Ultra is a bit better (89/100 vs 84/100). In the "camera" category, the OnePlus 15 is a bit better (78/100 vs 73/100). In the "battery" category, the OnePlus 15 notably outperforms the Xiaomi Mi 11 Ultra (89/100 vs 68/100). In the "portability" category, the OnePlus 15 notably outperforms the Xiaomi Mi 11 Ultra (50/100 vs 34/100).
| Specification | OnePlus 15 | Xiaomi Mi 11 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 888 | |
| AnTuTu | 3621671 | 1037544 | |
| Geekbench Single | 3640 | 1488 | |
| Geekbench Multi | 11033 | 3373 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1272x2772 | 1440x3200 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 5000 mAh | |
| Charging | 120W | 67W | |
| Wireless charging | 50W | 67W | |
| DXOMark (camera) | — | 141 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 48 MP | |
| Telephoto | 50 MP | 48 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 11, MIUI 12.5 | |
| Brightness (peak) | 1800 nits | 1700 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 161.4×76.7×8.1 mm | 164.3×74.6×8.4 mm | |
| Weight | 213 g | 234 g | |
| Launch price | $799 | — |
OnePlus 15
- Main: 50MP
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi Mi 11 Ultra
- Main: 50MP f/f/2.0
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 20MP
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Xiaomi Mi 11 Ultra
- 6.8" AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi Mi 11 Ultra
- 5000 mAh
- Wired: 67W
- Wireless: 67W
We compared OnePlus 15 and Xiaomi Mi 11 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15 leads Xiaomi Mi 11 Ultra by 249.1% in our overall performance rating.
Xiaomi Mi 11 Ultra
Price unknownperformance
In the "performance" category, the OnePlus 15 significantly outperforms the Xiaomi Mi 11 Ultra (97/100 vs 62/100).
display
In the "display" category, the Xiaomi Mi 11 Ultra is a bit better (89/100 vs 84/100).
camera
In the "camera" category, the OnePlus 15 is a bit better (78/100 vs 73/100).
battery
In the "battery" category, the OnePlus 15 notably outperforms the Xiaomi Mi 11 Ultra (89/100 vs 68/100).
portability
In the "portability" category, the OnePlus 15 notably outperforms the Xiaomi Mi 11 Ultra (50/100 vs 34/100).
Which is better: the OnePlus 15 or the Xiaomi Mi 11 Ultra?
The OnePlus 15 is noticeably better than the Xiaomi Mi 11 Ultra — the overall rating gap is 18 points.
What is the rating of the OnePlus 15 and the Xiaomi Mi 11 Ultra?
The OnePlus 15 has a MobileRank rating of 86/100, the Xiaomi Mi 11 Ultra — 68/100.
Which has the better camera: the OnePlus 15 or the Xiaomi Mi 11 Ultra?
The OnePlus 15 leads on camera score (78/100 vs 73/100).
Which is more powerful: the OnePlus 15 or the Xiaomi Mi 11 Ultra?
The OnePlus 15 leads on performance (97/100 vs 62/100).
Should you choose the OnePlus 15 over the Xiaomi Mi 11 Ultra?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi Mi 11 Ultra is a better fit for active users.