OnePlus Ace 6 vs Xiaomi 12S Ultra
The OnePlus Ace 6 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 12S Ultra (2022) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the OnePlus Ace 6 leads — 65/100 vs 49/100 (a 16-point difference). Key differences: the OnePlus Ace 6 has the bigger battery (7800 mAh vs 4800); the main camera is 50 MP vs 3 MP; the OnePlus Ace 6 is faster in AnTuTu (3,391,399 vs 1,627,862).
OnePlus Ace 6
Xiaomi 12S Ultra
- Higher AnTuTu: 3391399 vs 1627862
- Better Geekbench Single: 3050 vs 1761
- Better Geekbench Multi: 9300 vs 4688
- Bigger battery: 7800 vs 4800 mAh
- Faster charging: 120W vs 67W
- Better main camera: 50MP vs 3MP
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 213g vs 225g
- Higher performance (73/100 vs 24/100)
- Longer battery life (79/100 vs 43/100)
- Better design/ergonomics (33/100 vs 18/100)
- Better value for money (82/100 vs 55/100)
- Better camera (70/100 vs 31/100)
Comparing the OnePlus Ace 6 vs the Xiaomi 12S Ultra, the OnePlus Ace 6 scores 16 points higher (65/100 vs 49/100). In the "performance" category, the OnePlus Ace 6 leads (73/100 vs 24/100). In the "camera" category, the Xiaomi 12S Ultra leads (70/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 leads (79/100 vs 43/100). In the "value for money" category, the OnePlus Ace 6 leads (82/100 vs 55/100). In the "performance" category, the OnePlus Ace 6 significantly outperforms the Xiaomi 12S Ultra (73/100 vs 24/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi 12S Ultra significantly outperforms the OnePlus Ace 6 (70/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 significantly outperforms the Xiaomi 12S Ultra (79/100 vs 43/100). In the "design" category, the OnePlus Ace 6 notably outperforms the Xiaomi 12S Ultra (33/100 vs 18/100). In the "value for money" category, the OnePlus Ace 6 notably outperforms the Xiaomi 12S Ultra (82/100 vs 55/100).
| Specification | OnePlus Ace 6 | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3391399 | 1627862 | |
| Geekbench Single | 3050 | 1761 | |
| Geekbench Multi | 9300 | 4688 | |
| Display | 6.8" OLED | 6.7" LTPO2 AMOLED | |
| Resolution | 2800x1272 | 1440x3200 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7800 mAh | 4800 mAh | |
| Charging | 120W | 67W | |
| DXOMark (camera) | — | 136 | |
| Main camera | 50 MP | 3 MP | |
| Ultrawide | 8 MP | 48 MP | |
| Telephoto | 0 MP | 48 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15 | Android 12, MIUI 13 | |
| Brightness (peak) | 1800 nits | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.4×77.0×8.3 mm | 163.2×75.0×9.1 mm | |
| Weight | 213 g | 225 g | |
| Price | $399 | — |
OnePlus Ace 6
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 12S Ultra
- Main: 3MP f/f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
OnePlus Ace 6
- 6.8" OLED
- Resolution: 2800x1272
- Refresh rate: 165 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
OnePlus Ace 6
- 7800 mAh
- Wired: 120W
- No wireless charging
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- No wireless charging
We compared OnePlus Ace 6 and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
OnePlus Ace 6 leads Xiaomi 12S Ultra by 108.3% in our overall performance rating.
Xiaomi 12S Ultra
Price unknownperformance
In the "performance" category, the OnePlus Ace 6 significantly outperforms the Xiaomi 12S Ultra (73/100 vs 24/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Xiaomi 12S Ultra significantly outperforms the OnePlus Ace 6 (70/100 vs 31/100).
battery
In the "battery" category, the OnePlus Ace 6 significantly outperforms the Xiaomi 12S Ultra (79/100 vs 43/100).
design
In the "design" category, the OnePlus Ace 6 notably outperforms the Xiaomi 12S Ultra (33/100 vs 18/100).
value for money
In the "value for money" category, the OnePlus Ace 6 notably outperforms the Xiaomi 12S Ultra (82/100 vs 55/100).
Which is better: the OnePlus Ace 6 or the Xiaomi 12S Ultra?
The OnePlus Ace 6 is noticeably better than the Xiaomi 12S Ultra — the overall rating gap is 16 points.
What is the rating of the OnePlus Ace 6 and the Xiaomi 12S Ultra?
The OnePlus Ace 6 has a MobileRank rating of 65/100, the Xiaomi 12S Ultra — 49/100.
Which has the better camera: the OnePlus Ace 6 or the Xiaomi 12S Ultra?
The Xiaomi 12S Ultra leads on camera score (70/100 vs 31/100).
Which is more powerful: the OnePlus Ace 6 or the Xiaomi 12S Ultra?
The OnePlus Ace 6 leads on performance (73/100 vs 24/100).
Should you choose the OnePlus Ace 6 over the Xiaomi 12S Ultra?
The OnePlus Ace 6 is a better fit for active users, those who care about battery life, budget-conscious buyers. The Xiaomi 12S Ultra is a better fit for everyday use.