OnePlus Ace 7 vs Xiaomi 12S Ultra
The OnePlus Ace 7 (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 12S Ultra (2022) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the OnePlus Ace 7 leads — 77/100 vs 71/100 (a 6-point difference). Key differences: the OnePlus Ace 7 has the bigger battery (9000 mAh vs 4800); the main camera is 50 MP vs 3 MP; the OnePlus Ace 7 is faster in AnTuTu (3,950,082 vs 1,627,862).
Profile comparison
Category scores
OnePlus Ace 7
Xiaomi 12S Ultra
What makes OnePlus Ace 7 better?
- Higher AnTuTu: 3950082 vs 1627862
- Better Geekbench Single: 3639 vs 1761
- Better Geekbench Multi: 11047 vs 4688
- Bigger battery: 9000 vs 4800 mAh
- Faster charging: 100W vs 67W
- Better main camera: 50MP vs 3MP
- Higher refresh rate: 185Hz vs 120Hz
- Higher performance (98/100 vs 73/100)
- Longer battery life (80/100 vs 64/100)
- Better display (94/100 vs 90/100)
What makes Xiaomi 12S Ultra better?
- Better camera (70/100 vs 35/100)
Comparison verdict
Comparing the OnePlus Ace 7 vs the Xiaomi 12S Ultra, the OnePlus Ace 7 scores 6 points higher (77/100 vs 71/100). In the "performance" category, the OnePlus Ace 7 leads (98/100 vs 73/100). In the "camera" category, the Xiaomi 12S Ultra leads (70/100 vs 35/100). In the "battery" category, the OnePlus Ace 7 leads (80/100 vs 64/100). In the "performance" category, the OnePlus Ace 7 notably outperforms the Xiaomi 12S Ultra (98/100 vs 73/100). In the "display" category, the OnePlus Ace 7 and the Xiaomi 12S Ultra are nearly equal (94/100 vs 90/100). In the "camera" category, the Xiaomi 12S Ultra significantly outperforms the OnePlus Ace 7 (70/100 vs 35/100). In the "battery" category, the OnePlus Ace 7 notably outperforms the Xiaomi 12S Ultra (80/100 vs 64/100).
Specs comparison
| Specification | OnePlus Ace 7 | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3950082 | 1627862 | |
| Geekbench Single | 3639 | 1761 | |
| Geekbench Multi | 11047 | 4688 | |
| Display | 6.8" AMOLED | 6.7" LTPO2 AMOLED | |
| Resolution | 1272x2800 | 1440x3200 | |
| Refresh rate | 185 Hz | 120 Hz | |
| Battery | 9000 mAh | 4800 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | 0W | 50W | |
| 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 16 | Android 12, MIUI 13 | |
| Brightness (peak) | — | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | — | 163.2×75.0×9.1 mm | |
| Weight | — | 225 g | |
| Launch price | — | — |
Camera comparison
OnePlus Ace 7
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 12S Ultra
- Main: 3MP f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
Display comparison
OnePlus Ace 7
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 185 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 7
- 9000 mAh
- Wired: 100W
- No wireless charging
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared OnePlus Ace 7 and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
OnePlus Ace 7 leads Xiaomi 12S Ultra by 142.7% in our overall performance rating.
Benchmarks
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 7 notably outperforms the Xiaomi 12S Ultra (98/100 vs 73/100).
display
In the "display" category, the OnePlus Ace 7 and the Xiaomi 12S Ultra are nearly equal (94/100 vs 90/100).
camera
In the "camera" category, the Xiaomi 12S Ultra significantly outperforms the OnePlus Ace 7 (70/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 7 notably outperforms the Xiaomi 12S Ultra (80/100 vs 64/100).
Frequently asked questions
Which is better: the OnePlus Ace 7 or the Xiaomi 12S Ultra?
The OnePlus Ace 7 edges out the Xiaomi 12S Ultra by just 6 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 7 and the Xiaomi 12S Ultra?
The OnePlus Ace 7 has a MobileRank rating of 77/100, the Xiaomi 12S Ultra — 71/100.
Which has the better camera: the OnePlus Ace 7 or the Xiaomi 12S Ultra?
The Xiaomi 12S Ultra leads on camera score (70/100 vs 35/100).
Which is more powerful: the OnePlus Ace 7 or the Xiaomi 12S Ultra?
The OnePlus Ace 7 leads on performance (98/100 vs 73/100).
Should you choose the OnePlus Ace 7 over the Xiaomi 12S Ultra?
The OnePlus Ace 7 is a better fit for gamers and power users, those who care about battery life. The Xiaomi 12S Ultra is a better fit for active users.