OnePlus Ace 6 vs Xiaomi Mi 11 Ultra
The OnePlus Ace 6 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi Mi 11 Ultra (2021) runs on the Qualcomm Snapdragon 888. By overall MobileRank rating, the OnePlus Ace 6 leads — 73/100 vs 69/100 (a 4-point difference). Key differences: the OnePlus Ace 6 has the bigger battery (7800 mAh vs 5000); the OnePlus Ace 6 is faster in AnTuTu (3,332,530 vs 1,100,336); the OnePlus Ace 6 is noticeably lighter (213g vs 234g).
Profile comparison
Category scores
OnePlus Ace 6
Xiaomi Mi 11 Ultra
What makes OnePlus Ace 6 better?
- Higher AnTuTu: 3332530 vs 1100336
- Better Geekbench Single: 3013 vs 1500
- Better Geekbench Multi: 9287 vs 3537
- Bigger battery: 7800 vs 5000 mAh
- Faster charging: 120W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 213g vs 234g
- Higher performance (92/100 vs 64/100)
- Longer battery life (79/100 vs 68/100)
- Better display (94/100 vs 89/100)
- Better portability (48/100 vs 34/100)
What makes Xiaomi Mi 11 Ultra better?
- Better camera (73/100 vs 35/100)
Comparison verdict
Comparing the OnePlus Ace 6 vs the Xiaomi Mi 11 Ultra, the OnePlus Ace 6 scores 4 points higher (73/100 vs 69/100). In the "performance" category, the OnePlus Ace 6 leads (92/100 vs 64/100). In the "camera" category, the Xiaomi Mi 11 Ultra leads (73/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 leads (79/100 vs 68/100). In the "performance" category, the OnePlus Ace 6 notably outperforms the Xiaomi Mi 11 Ultra (92/100 vs 64/100). In the "display" category, the OnePlus Ace 6 is a bit better (94/100 vs 89/100). In the "camera" category, the Xiaomi Mi 11 Ultra significantly outperforms the OnePlus Ace 6 (73/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 is a bit better (79/100 vs 68/100). In the "portability" category, the OnePlus Ace 6 is a bit better (48/100 vs 34/100).
Specs comparison
| Specification | OnePlus Ace 6 | Xiaomi Mi 11 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 888 | |
| AnTuTu | 3332530 | 1100336 | |
| Geekbench Single | 3013 | 1500 | |
| Geekbench Multi | 9287 | 3537 | |
| Display | 6.8" OLED | 6.8" AMOLED | |
| Resolution | 2800x1272 | 1440x3200 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7800 mAh | 5000 mAh | |
| Charging | 120W | 67W | |
| Wireless charging | 0W | 67W | |
| DXOMark (camera) | — | 141 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 48 MP | |
| Telephoto | 0 MP | 48 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15 | Android 11, MIUI 12.5 | |
| Brightness (peak) | 1800 nits | 1700 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.4×77.0×8.3 mm | 164.3×74.6×8.4 mm | |
| Weight | 213 g | 234 g | |
| Launch price | $399 | — |
Camera comparison
OnePlus Ace 6
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi Mi 11 Ultra
- Main: 50MP f/2.0
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 20MP
Display comparison
OnePlus Ace 6
- 6.8" OLED
- Resolution: 2800x1272
- Refresh rate: 165 Hz
Xiaomi Mi 11 Ultra
- 6.8" AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 6
- 7800 mAh
- Wired: 120W
- No wireless charging
Xiaomi Mi 11 Ultra
- 5000 mAh
- Wired: 67W
- Wireless: 67W
Overall performance score
We compared OnePlus Ace 6 and Xiaomi Mi 11 Ultra, covering their specs and all relevant benchmarks.
OnePlus Ace 6 leads Xiaomi Mi 11 Ultra by 202.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi Mi 11 Ultra
Price unknownDetailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 notably outperforms the Xiaomi Mi 11 Ultra (92/100 vs 64/100).
display
In the "display" category, the OnePlus Ace 6 is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Xiaomi Mi 11 Ultra significantly outperforms the OnePlus Ace 6 (73/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 is a bit better (79/100 vs 68/100).
portability
In the "portability" category, the OnePlus Ace 6 is a bit better (48/100 vs 34/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 or the Xiaomi Mi 11 Ultra?
The OnePlus Ace 6 edges out the Xiaomi Mi 11 Ultra by just 4 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 6 and the Xiaomi Mi 11 Ultra?
The OnePlus Ace 6 has a MobileRank rating of 73/100, the Xiaomi Mi 11 Ultra — 69/100.
Which has the better camera: the OnePlus Ace 6 or the Xiaomi Mi 11 Ultra?
The Xiaomi Mi 11 Ultra leads on camera score (73/100 vs 35/100).
Which is more powerful: the OnePlus Ace 6 or the Xiaomi Mi 11 Ultra?
The OnePlus Ace 6 leads on performance (92/100 vs 64/100).
Should you choose the OnePlus Ace 6 over the Xiaomi Mi 11 Ultra?
The OnePlus Ace 6 is a better fit for gamers and power users, those who care about battery life. The Xiaomi Mi 11 Ultra is a better fit for active users.