OnePlus Ace 6 Ultra vs Xiaomi 12T
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi 12T (2022) runs on the MediaTek Dimensity 8100 Ultra; launch prices were $555 and $380. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 61/100 (a 13-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5000); the main camera is 50 MP vs 108 MP; the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 1,111,150); the Xiaomi 12T is noticeably lighter (202g vs 217g).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Xiaomi 12T
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 1111150
- Better Geekbench Single: 3293 vs 978
- Better Geekbench Multi: 10243 vs 3950
- Bigger battery: 8600 vs 5000 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (94/100 vs 60/100)
- Longer battery life (82/100 vs 64/100)
- Better display (94/100 vs 83/100)
What makes Xiaomi 12T better?
- Better main camera: 108MP vs 50MP
- Lighter: 202g vs 217g
- Cheaper at launch: $380 vs $555
- Better camera (53/100 vs 35/100)
- Better portability (51/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Xiaomi 12T, the OnePlus Ace 6 Ultra scores 13 points higher (74/100 vs 61/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (94/100 vs 60/100). In the "camera" category, the Xiaomi 12T leads (53/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 64/100). Value score: OnePlus Ace 6 Ultra — 66/100, Xiaomi 12T — 52/100; 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 OnePlus Ace 6 Ultra significantly outperforms the Xiaomi 12T (94/100 vs 60/100). In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 83/100). In the "camera" category, the Xiaomi 12T notably outperforms the OnePlus Ace 6 Ultra (53/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the Xiaomi 12T (82/100 vs 64/100). In the "portability" category, the Xiaomi 12T is a bit better (51/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Xiaomi 12T | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | MediaTek Dimensity 8100 Ultra | |
| AnTuTu | 3429868 | 1111150 | |
| Geekbench Single | 3293 | 978 | |
| Geekbench Multi | 10243 | 3950 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1272x2772 | 2712x1220 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 5000 mAh | |
| Charging | 120W | 120W | |
| DXOMark (camera) | — | 115 | |
| Main camera | 50 MP | 108 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 12 | |
| Brightness (peak) | 1800 nits | 900 nits | |
| NFC | yes | yes | |
| Protection | IP66 | — | |
| Dimensions | 162.5×77.5×8.5 mm | 163.1×75.9×8.6 mm | |
| Weight | 217 g | 202 g | |
| Launch price | $555 | $380 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 12T
- Main: 108MP f/1.65
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Xiaomi 12T
- 6.7" AMOLED
- Resolution: 2712x1220
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Xiaomi 12T
- 5000 mAh
- Wired: 120W
- No wireless charging
Overall performance score
We compared OnePlus Ace 6 Ultra and Xiaomi 12T, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Xiaomi 12T by 208.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $175. Xiaomi 12T was $175 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi 12T (94/100 vs 60/100).
display
In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 83/100).
camera
In the "camera" category, the Xiaomi 12T notably outperforms the OnePlus Ace 6 Ultra (53/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the Xiaomi 12T (82/100 vs 64/100).
portability
In the "portability" category, the Xiaomi 12T is a bit better (51/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Xiaomi 12T?
The OnePlus Ace 6 Ultra is noticeably better than the Xiaomi 12T — the overall rating gap is 13 points.
What is the rating of the OnePlus Ace 6 Ultra and the Xiaomi 12T?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Xiaomi 12T — 61/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Xiaomi 12T?
The Xiaomi 12T leads on camera score (53/100 vs 35/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Xiaomi 12T?
The OnePlus Ace 6 Ultra leads on performance (94/100 vs 60/100).
Should you choose the OnePlus Ace 6 Ultra over the Xiaomi 12T?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Xiaomi 12T is a better fit for active users.