OnePlus 15s vs Xiaomi Mi 11 Ultra
The OnePlus 15s (2026) 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 15s leads — 83/100 vs 68/100 (a 15-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 5000); the OnePlus 15s is faster in AnTuTu (3,942,923 vs 1,037,544); the OnePlus 15s is noticeably lighter (195g vs 234g).
OnePlus 15s
Xiaomi Mi 11 Ultra
- Higher AnTuTu: 3942923 vs 1037544
- Better Geekbench Single: 3640 vs 1488
- Better Geekbench Multi: 11033 vs 3373
- Bigger battery: 7500 vs 5000 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 195g vs 234g
- Higher performance (98/100 vs 62/100)
- Longer battery life (89/100 vs 68/100)
- Better display (95/100 vs 89/100)
- Better portability (64/100 vs 34/100)
- Faster wireless charging: 67W vs 50W
- Better camera (73/100 vs 53/100)
Comparing the OnePlus 15s vs the Xiaomi Mi 11 Ultra, the OnePlus 15s scores 15 points higher (83/100 vs 68/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 62/100). In the "camera" category, the Xiaomi Mi 11 Ultra leads (73/100 vs 53/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 68/100). In the "performance" category, the OnePlus 15s significantly outperforms the Xiaomi Mi 11 Ultra (98/100 vs 62/100). In the "display" category, the OnePlus 15s is a bit better (95/100 vs 89/100). In the "camera" category, the Xiaomi Mi 11 Ultra notably outperforms the OnePlus 15s (73/100 vs 53/100). In the "battery" category, the OnePlus 15s notably outperforms the Xiaomi Mi 11 Ultra (89/100 vs 68/100). In the "portability" category, the OnePlus 15s significantly outperforms the Xiaomi Mi 11 Ultra (64/100 vs 34/100).
| Specification | OnePlus 15s | Xiaomi Mi 11 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 888 | |
| AnTuTu | 3942923 | 1037544 | |
| Geekbench Single | 3640 | 1488 | |
| Geekbench Multi | 11033 | 3373 | |
| Display | 6.3" AMOLED | 6.8" AMOLED | |
| Resolution | 2640x1216 | 1440x3200 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 5000 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | 50W | 67W | |
| DXOMark (camera) | — | 141 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 48 MP | |
| Telephoto | 50 MP | 48 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 11, MIUI 12.5 | |
| Brightness (peak) | — | 1700 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 164.3×74.6×8.4 mm | |
| Weight | 195 g | 234 g | |
| Launch price | $700 | — |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Xiaomi Mi 11 Ultra
- Main: 50MP f/f/2.0
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 20MP
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Xiaomi Mi 11 Ultra
- 6.8" AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Xiaomi Mi 11 Ultra
- 5000 mAh
- Wired: 67W
- Wireless: 67W
We compared OnePlus 15s and Xiaomi Mi 11 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15s leads Xiaomi Mi 11 Ultra by 280.0% in our overall performance rating.
Xiaomi Mi 11 Ultra
Price unknownperformance
In the "performance" category, the OnePlus 15s significantly outperforms the Xiaomi Mi 11 Ultra (98/100 vs 62/100).
display
In the "display" category, the OnePlus 15s is a bit better (95/100 vs 89/100).
camera
In the "camera" category, the Xiaomi Mi 11 Ultra notably outperforms the OnePlus 15s (73/100 vs 53/100).
battery
In the "battery" category, the OnePlus 15s notably outperforms the Xiaomi Mi 11 Ultra (89/100 vs 68/100).
portability
In the "portability" category, the OnePlus 15s significantly outperforms the Xiaomi Mi 11 Ultra (64/100 vs 34/100).
Which is better: the OnePlus 15s or the Xiaomi Mi 11 Ultra?
The OnePlus 15s is noticeably better than the Xiaomi Mi 11 Ultra — the overall rating gap is 15 points.
What is the rating of the OnePlus 15s and the Xiaomi Mi 11 Ultra?
The OnePlus 15s has a MobileRank rating of 83/100, the Xiaomi Mi 11 Ultra — 68/100.
Which has the better camera: the OnePlus 15s or the Xiaomi Mi 11 Ultra?
The Xiaomi Mi 11 Ultra leads on camera score (73/100 vs 53/100).
Which is more powerful: the OnePlus 15s or the Xiaomi Mi 11 Ultra?
The OnePlus 15s leads on performance (98/100 vs 62/100).
Should you choose the OnePlus 15s over the Xiaomi Mi 11 Ultra?
The OnePlus 15s 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.