OnePlus Ace 6 Ultra vs Xiaomi 15S Pro
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi 15S Pro (2025) runs on the Xiaomi XRING O1; estimated prices are $555 and $760. By overall MobileRank rating, the Xiaomi 15S Pro leads — 84/100 vs 74/100 (a 10-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 6100); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 2,998,904).
OnePlus Ace 6 Ultra
Xiaomi 15S Pro
- Higher AnTuTu: 3429868 vs 2998904
- Better Geekbench Single: 3228 vs 2746
- Better Geekbench Multi: 9553 vs 8431
- Bigger battery: 8600 vs 6100 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $555 vs $760
- Higher performance (93/100 vs 89/100)
- Longer battery life (82/100 vs 77/100)
- Better display (94/100 vs 90/100)
- Better camera (78/100 vs 35/100)
- Better value for money (80/100 vs 66/100)
Comparing the OnePlus Ace 6 Ultra vs the Xiaomi 15S Pro, the Xiaomi 15S Pro scores 10 points higher (84/100 vs 74/100). In the "camera" category, the Xiaomi 15S Pro leads (78/100 vs 35/100). In the "value for money" category, the Xiaomi 15S Pro leads (80/100 vs 66/100). In the "performance" category, the OnePlus Ace 6 Ultra and the Xiaomi 15S Pro are nearly equal (93/100 vs 89/100). In the "display" category, the OnePlus Ace 6 Ultra and the Xiaomi 15S Pro are nearly equal (94/100 vs 90/100). In the "camera" category, the Xiaomi 15S Pro significantly outperforms the OnePlus Ace 6 Ultra (78/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 77/100). In the "value for money" category, the Xiaomi 15S Pro is a bit better (80/100 vs 66/100).
| Specification | OnePlus Ace 6 Ultra | Xiaomi 15S Pro | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Xiaomi XRING O1 | |
| AnTuTu | 3429868 | 2998904 | |
| Geekbench Single | 3228 | 2746 | |
| Geekbench Multi | 9553 | 8431 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1272x2772 | 3200x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 6100 mAh | |
| Charging | 120W | 90W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB / 1TB | 512GB / 1TB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | — | |
| Protection | IP66 | — | |
| Dimensions | 162.5×77.5×8.5 mm | — | |
| Weight | 217 g | — | |
| Price | $555 | $760 |
OnePlus Ace 6 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 15S Pro
- Main: 50MP f/f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Xiaomi 15S Pro
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Xiaomi 15S Pro
- 6100 mAh
- Wired: 90W
- Wireless charging: no data
We compared OnePlus Ace 6 Ultra and Xiaomi 15S Pro, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Xiaomi 15S Pro by 14.4% in our overall performance rating.
Price difference: $205. OnePlus Ace 6 Ultra is cheaper by $205.
performance
In the "performance" category, the OnePlus Ace 6 Ultra and the Xiaomi 15S Pro are nearly equal (93/100 vs 89/100).
display
In the "display" category, the OnePlus Ace 6 Ultra and the Xiaomi 15S Pro are nearly equal (94/100 vs 90/100).
camera
In the "camera" category, the Xiaomi 15S Pro significantly outperforms the OnePlus Ace 6 Ultra (78/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 77/100).
value for money
In the "value for money" category, the Xiaomi 15S Pro is a bit better (80/100 vs 66/100).
Which is better: the OnePlus Ace 6 Ultra or the Xiaomi 15S Pro?
The Xiaomi 15S Pro is noticeably better than the OnePlus Ace 6 Ultra — the overall rating gap is 10 points.
What is the rating of the OnePlus Ace 6 Ultra and the Xiaomi 15S Pro?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Xiaomi 15S Pro — 84/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Xiaomi 15S Pro?
The Xiaomi 15S Pro leads on camera score (78/100 vs 35/100).
Should you choose the OnePlus Ace 6 Ultra over the Xiaomi 15S Pro?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Xiaomi 15S Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.