OnePlus Ace 6 Ultra vs Xiaomi 17 Ultra (China)
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5; launch prices were $555 and $892. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 74/100 (a 13-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 6800); the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,942,923 vs 3,429,868).
OnePlus Ace 6 Ultra
Xiaomi 17 Ultra (China)
- Bigger battery: 8600 vs 6800 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 217g vs 224g
- Cheaper at launch: $555 vs $892
- Better display (94/100 vs 81/100)
- Better portability (43/100 vs 42/100)
- Higher AnTuTu: 3942923 vs 3429868
- Better Geekbench Single: 3640 vs 3228
- Better Geekbench Multi: 11033 vs 9553
- Higher performance (98/100 vs 93/100)
- Better camera (87/100 vs 35/100)
- Longer battery life (83/100 vs 82/100)
Comparing the OnePlus Ace 6 Ultra vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 13 points higher (87/100 vs 74/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 35/100). Value score: OnePlus Ace 6 Ultra — 66/100, Xiaomi 17 Ultra (China) — 86/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 17 Ultra (China) is a bit better (98/100 vs 93/100). In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 81/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the OnePlus Ace 6 Ultra (87/100 vs 35/100). In the "battery" category, the Xiaomi 17 Ultra (China) and the OnePlus Ace 6 Ultra are nearly equal (83/100 vs 82/100). In the "portability" category, the OnePlus Ace 6 Ultra and the Xiaomi 17 Ultra (China) are nearly equal (43/100 vs 42/100).
| Specification | OnePlus Ace 6 Ultra | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3429868 | 3942923 | |
| Geekbench Single | 3228 | 3640 | |
| Geekbench Multi | 9553 | 11033 | |
| Display | 6.8" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1272x2772 | 1200x2608 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 6800 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP66 | IP68/IP69 | |
| Dimensions | 162.5×77.5×8.5 mm | 162.9×77.6×8.3 mm | |
| Weight | 217 g | 224 g | |
| Launch price | $555 | $892 |
OnePlus Ace 6 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
We compared OnePlus Ace 6 Ultra and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads OnePlus Ace 6 Ultra by 13.0% in our overall performance rating.
Launch price difference: $337. OnePlus Ace 6 Ultra was $337 cheaper at launch.
performance
In the "performance" category, the Xiaomi 17 Ultra (China) is a bit better (98/100 vs 93/100).
display
In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the OnePlus Ace 6 Ultra (87/100 vs 35/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) and the OnePlus Ace 6 Ultra are nearly equal (83/100 vs 82/100).
portability
In the "portability" category, the OnePlus Ace 6 Ultra and the Xiaomi 17 Ultra (China) are nearly equal (43/100 vs 42/100).
Which is better: the OnePlus Ace 6 Ultra or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) is noticeably better than the OnePlus Ace 6 Ultra — the overall rating gap is 13 points.
What is the rating of the OnePlus Ace 6 Ultra and the Xiaomi 17 Ultra (China)?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 35/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 93/100).
Should you choose the OnePlus Ace 6 Ultra over the Xiaomi 17 Ultra (China)?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.