OnePlus Ace 6 Ultra vs Xiaomi 17 Ultra
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi 17 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $555 and $999. By overall MobileRank rating, the Xiaomi 17 Ultra leads — 82/100 vs 66/100 (a 16-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 6000); the Xiaomi 17 Ultra is faster in AnTuTu (3,593,401 vs 3,429,868).
OnePlus Ace 6 Ultra
Xiaomi 17 Ultra
- Bigger battery: 8600 vs 6000 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 217g vs 226g
- Cheaper: $555 vs $999
- Longer battery life (82/100 vs 72/100)
- Better design/ergonomics (28/100 vs 17/100)
- Better value for money (72/100 vs 41/100)
- Higher AnTuTu: 3593401 vs 3429868
- Better Geekbench Single: 3640 vs 3228
- Better Geekbench Multi: 11033 vs 9553
- Higher performance (87/100 vs 76/100)
- Better camera (93/100 vs 31/100)
Comparing the OnePlus Ace 6 Ultra vs the Xiaomi 17 Ultra, the Xiaomi 17 Ultra scores 16 points higher (82/100 vs 66/100). In the "performance" category, the Xiaomi 17 Ultra leads (87/100 vs 76/100). In the "camera" category, the Xiaomi 17 Ultra leads (93/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 72/100). In the "value for money" category, the OnePlus Ace 6 Ultra leads (72/100 vs 41/100). In the "performance" category, the Xiaomi 17 Ultra is a bit better (87/100 vs 76/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the OnePlus Ace 6 Ultra (93/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 72/100). In the "design" category, the OnePlus Ace 6 Ultra is a bit better (28/100 vs 17/100). In the "value for money" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi 17 Ultra (72/100 vs 41/100).
| Specification | OnePlus Ace 6 Ultra | Xiaomi 17 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3429868 | 3593401 | |
| Geekbench Single | 3228 | 3640 | |
| Geekbench Multi | 9553 | 11033 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1272x2772 | 3200x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 6000 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 166 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 162.5×77.5×8.5 mm | 162.9×77.6×8.3 mm | |
| Weight | 217 g | 226 g | |
| Price | $555 | $999 |
OnePlus Ace 6 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 17 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Xiaomi 17 Ultra
- 6.8" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Xiaomi 17 Ultra
- 6000 mAh
- NanoReview test: web browsing 16:09 hrs, total 33:23 hrs
- Wired: 90W
- Wireless: 50W
We compared OnePlus Ace 6 Ultra and Xiaomi 17 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra leads OnePlus Ace 6 Ultra by 4.6% in our overall performance rating.
Price difference: $444. OnePlus Ace 6 Ultra is cheaper by $444.
performance
In the "performance" category, the Xiaomi 17 Ultra is a bit better (87/100 vs 76/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Xiaomi 17 Ultra significantly outperforms the OnePlus Ace 6 Ultra (93/100 vs 31/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 72/100).
design
In the "design" category, the OnePlus Ace 6 Ultra is a bit better (28/100 vs 17/100).
value for money
In the "value for money" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi 17 Ultra (72/100 vs 41/100).
Which is better: the OnePlus Ace 6 Ultra or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra is noticeably better than the OnePlus Ace 6 Ultra — the overall rating gap is 16 points.
What is the rating of the OnePlus Ace 6 Ultra and the Xiaomi 17 Ultra?
The OnePlus Ace 6 Ultra has a MobileRank rating of 66/100, the Xiaomi 17 Ultra — 82/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on camera score (93/100 vs 31/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Xiaomi 17 Ultra?
The Xiaomi 17 Ultra leads on performance (87/100 vs 76/100).
Should you choose the OnePlus Ace 6 Ultra over the Xiaomi 17 Ultra?
The OnePlus Ace 6 Ultra is a better fit for active users, those who care about battery life. The Xiaomi 17 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.