OnePlus 15s vs Xiaomi 12S Ultra
The OnePlus 15s (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 15s leads — 77/100 vs 49/100 (a 28-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 4800); the main camera is 50 MP vs 3 MP; the OnePlus 15s is faster in AnTuTu (3,942,923 vs 1,627,862); the OnePlus 15s is noticeably lighter (195g vs 225g).
OnePlus 15s
Xiaomi 12S Ultra
- Higher AnTuTu: 3942923 vs 1627862
- Better Geekbench Single: 3640 vs 1761
- Better Geekbench Multi: 11033 vs 4688
- Bigger battery: 7500 vs 4800 mAh
- Faster charging: 100W vs 67W
- Better main camera: 50MP vs 3MP
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 195g vs 225g
- Higher performance (92/100 vs 24/100)
- Longer battery life (82/100 vs 43/100)
- Better design/ergonomics (56/100 vs 18/100)
- Better value for money (62/100 vs 55/100)
- Better camera (70/100 vs 48/100)
Comparing the OnePlus 15s vs the Xiaomi 12S Ultra, the OnePlus 15s scores 28 points higher (77/100 vs 49/100). In the "performance" category, the OnePlus 15s leads (92/100 vs 24/100). In the "camera" category, the Xiaomi 12S Ultra leads (70/100 vs 48/100). In the "battery" category, the OnePlus 15s leads (82/100 vs 43/100). In the "performance" category, the OnePlus 15s significantly outperforms the Xiaomi 12S Ultra (92/100 vs 24/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi 12S Ultra notably outperforms the OnePlus 15s (70/100 vs 48/100). In the "battery" category, the OnePlus 15s significantly outperforms the Xiaomi 12S Ultra (82/100 vs 43/100). In the "design" category, the OnePlus 15s significantly outperforms the Xiaomi 12S Ultra (56/100 vs 18/100). In the "value for money" category, the OnePlus 15s is a bit better (62/100 vs 55/100).
| Specification | OnePlus 15s | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3942923 | 1627862 | |
| Geekbench Single | 3640 | 1761 | |
| Geekbench Multi | 11033 | 4688 | |
| Display | 6.3" AMOLED | 6.7" LTPO2 AMOLED | |
| Resolution | 2640x1216 | 1440x3200 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 4800 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | 50W | 0W | |
| DXOMark (camera) | — | 136 | |
| Main camera | 50 MP | 3 MP | |
| Ultrawide | 0 MP | 48 MP | |
| Telephoto | 50 MP | 48 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | — | 1500 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 163.2×75.0×9.1 mm | |
| Weight | 195 g | 225 g | |
| Price | $700 | — |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Xiaomi 12S Ultra
- Main: 3MP f/f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- No wireless charging
We compared OnePlus 15s and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
OnePlus 15s leads Xiaomi 12S Ultra by 142.2% in our overall performance rating.
Xiaomi 12S Ultra
Price unknownperformance
In the "performance" category, the OnePlus 15s significantly outperforms the Xiaomi 12S Ultra (92/100 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 notably outperforms the OnePlus 15s (70/100 vs 48/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Xiaomi 12S Ultra (82/100 vs 43/100).
design
In the "design" category, the OnePlus 15s significantly outperforms the Xiaomi 12S Ultra (56/100 vs 18/100).
value for money
In the "value for money" category, the OnePlus 15s is a bit better (62/100 vs 55/100).
Which is better: the OnePlus 15s or the Xiaomi 12S Ultra?
The OnePlus 15s significantly outperforms the Xiaomi 12S Ultra by 28 points (77/100 vs 49/100).
What is the rating of the OnePlus 15s and the Xiaomi 12S Ultra?
The OnePlus 15s has a MobileRank rating of 77/100, the Xiaomi 12S Ultra — 49/100.
Which has the better camera: the OnePlus 15s or the Xiaomi 12S Ultra?
The Xiaomi 12S Ultra leads on camera score (70/100 vs 48/100).
Which is more powerful: the OnePlus 15s or the Xiaomi 12S Ultra?
The OnePlus 15s leads on performance (92/100 vs 24/100).
Should you choose the OnePlus 15s over the Xiaomi 12S Ultra?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life. The Xiaomi 12S Ultra is a better fit for everyday use.