OnePlus 15T vs Xiaomi 12S Ultra
The OnePlus 15T (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 15T leads — 80/100 vs 49/100 (a 31-point difference). Key differences: the OnePlus 15T has the bigger battery (6400 mAh vs 4800); the main camera is 50 MP vs 3 MP; the OnePlus 15T is faster in AnTuTu (3,676,955 vs 1,627,862); the OnePlus 15T is noticeably lighter (206g vs 225g).
OnePlus 15T
Xiaomi 12S Ultra
- Higher AnTuTu: 3676955 vs 1627862
- Better Geekbench Single: 3640 vs 1761
- Better Geekbench Multi: 11033 vs 4688
- Bigger battery: 6400 vs 4800 mAh
- Faster charging: 100W vs 67W
- Better main camera: 50MP vs 3MP
- Lighter: 206g vs 225g
- Higher performance (88/100 vs 24/100)
- Better camera (74/100 vs 70/100)
- Longer battery life (76/100 vs 43/100)
- Better design/ergonomics (42/100 vs 18/100)
- Overall rating 49/100
Comparing the OnePlus 15T vs the Xiaomi 12S Ultra, the OnePlus 15T scores 31 points higher (80/100 vs 49/100). In the "performance" category, the OnePlus 15T leads (88/100 vs 24/100). In the "battery" category, the OnePlus 15T leads (76/100 vs 43/100). In the "performance" category, the OnePlus 15T significantly outperforms the Xiaomi 12S Ultra (88/100 vs 24/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OnePlus 15T and the Xiaomi 12S Ultra are nearly equal (74/100 vs 70/100). In the "battery" category, the OnePlus 15T significantly outperforms the Xiaomi 12S Ultra (76/100 vs 43/100). In the "design" category, the OnePlus 15T notably outperforms the Xiaomi 12S Ultra (42/100 vs 18/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | OnePlus 15T | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3676955 | 1627862 | |
| Geekbench Single | 3640 | 1761 | |
| Geekbench Multi | 11033 | 4688 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO2 AMOLED | |
| Resolution | 3168x1440 | 1440x3200 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6400 mAh | 4800 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | 50W | 0W | |
| DXOMark (camera) | — | 136 | |
| Main camera | 50 MP | 3 MP | |
| Ultrawide | 50 MP | 48 MP | |
| Telephoto | 50 MP | 48 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | 3600 nits | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 150.6×71.8×8.4 mm | 163.2×75.0×9.1 mm | |
| Weight | 206 g | 225 g | |
| Price | $799 | — |
OnePlus 15T
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 12S Ultra
- Main: 3MP f/f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
OnePlus 15T
- 6.8" LTPO AMOLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
OnePlus 15T
- 6400 mAh
- Wired: 100W
- Wireless: 50W
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- No wireless charging
We compared OnePlus 15T and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
OnePlus 15T leads Xiaomi 12S Ultra by 125.9% in our overall performance rating.
Xiaomi 12S Ultra
Price unknownperformance
In the "performance" category, the OnePlus 15T significantly outperforms the Xiaomi 12S Ultra (88/100 vs 24/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OnePlus 15T and the Xiaomi 12S Ultra are nearly equal (74/100 vs 70/100).
battery
In the "battery" category, the OnePlus 15T significantly outperforms the Xiaomi 12S Ultra (76/100 vs 43/100).
design
In the "design" category, the OnePlus 15T notably outperforms the Xiaomi 12S Ultra (42/100 vs 18/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the OnePlus 15T or the Xiaomi 12S Ultra?
The OnePlus 15T significantly outperforms the Xiaomi 12S Ultra by 31 points (80/100 vs 49/100).
What is the rating of the OnePlus 15T and the Xiaomi 12S Ultra?
The OnePlus 15T has a MobileRank rating of 80/100, the Xiaomi 12S Ultra — 49/100.
Which is more powerful: the OnePlus 15T or the Xiaomi 12S Ultra?
The OnePlus 15T leads on performance (88/100 vs 24/100).
Should you choose the OnePlus 15T over the Xiaomi 12S Ultra?
The OnePlus 15T 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.