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 (3,950,082 vs 3,429,868).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Xiaomi 17 Ultra (China)
What makes OnePlus Ace 6 Ultra better?
- 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)
What makes Xiaomi 17 Ultra (China) better?
- Higher AnTuTu: 3950082 vs 3429868
- Better Geekbench Single: 3639 vs 3293
- Better Geekbench Multi: 11047 vs 10243
- Higher performance (98/100 vs 94/100)
- Better camera (87/100 vs 35/100)
- Longer battery life (83/100 vs 82/100)
Comparison verdict
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) — 88/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Xiaomi 17 Ultra (China) and the OnePlus Ace 6 Ultra are nearly equal (98/100 vs 94/100). 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).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3429868 | 3950082 | |
| Geekbench Single | 3293 | 3639 | |
| Geekbench Multi | 10243 | 11047 | |
| 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 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
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
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
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 13.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $337. OnePlus Ace 6 Ultra was $337 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 17 Ultra (China) and the OnePlus Ace 6 Ultra are nearly equal (98/100 vs 94/100).
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).
Frequently asked questions
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).
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.