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 — 86/100 vs 71/100 (a 15-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 (3,927,976 vs 1,627,862); the OnePlus 15T is noticeably lighter (206g vs 225g).
Profile comparison
Category scores
OnePlus 15T
Xiaomi 12S Ultra
What makes OnePlus 15T better?
- Higher AnTuTu: 3927976 vs 1627862
- Better Geekbench Single: 3639 vs 1761
- Better Geekbench Multi: 11047 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 (98/100 vs 73/100)
- Better camera (78/100 vs 70/100)
- Longer battery life (84/100 vs 64/100)
- Better portability (51/100 vs 32/100)
What makes Xiaomi 12S Ultra better?
- Better display (90/100 vs 89/100)
Comparison verdict
Comparing the OnePlus 15T vs the Xiaomi 12S Ultra, the OnePlus 15T scores 15 points higher (86/100 vs 71/100). In the "performance" category, the OnePlus 15T leads (98/100 vs 73/100). In the "battery" category, the OnePlus 15T leads (84/100 vs 64/100). In the "performance" category, the OnePlus 15T notably outperforms the Xiaomi 12S Ultra (98/100 vs 73/100). In the "display" category, the Xiaomi 12S Ultra and the OnePlus 15T are nearly equal (90/100 vs 89/100). In the "camera" category, the OnePlus 15T is a bit better (78/100 vs 70/100). In the "battery" category, the OnePlus 15T notably outperforms the Xiaomi 12S Ultra (84/100 vs 64/100). In the "portability" category, the OnePlus 15T notably outperforms the Xiaomi 12S Ultra (51/100 vs 32/100).
Specs comparison
| Specification | OnePlus 15T | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3927976 | 1627862 | |
| Geekbench Single | 3639 | 1761 | |
| Geekbench Multi | 11047 | 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 | 50W | |
| 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 | |
| Launch price | $799 | — |
Camera comparison
OnePlus 15T
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 12S Ultra
- Main: 3MP f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
Display comparison
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
Battery and charging
OnePlus 15T
- 6400 mAh
- Wired: 100W
- Wireless: 50W
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared OnePlus 15T and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
OnePlus 15T leads Xiaomi 12S Ultra by 141.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi 12S Ultra
Price unknownDetailed category analysis
performance
In the "performance" category, the OnePlus 15T notably outperforms the Xiaomi 12S Ultra (98/100 vs 73/100).
display
In the "display" category, the Xiaomi 12S Ultra and the OnePlus 15T are nearly equal (90/100 vs 89/100).
camera
In the "camera" category, the OnePlus 15T is a bit better (78/100 vs 70/100).
battery
In the "battery" category, the OnePlus 15T notably outperforms the Xiaomi 12S Ultra (84/100 vs 64/100).
portability
In the "portability" category, the OnePlus 15T notably outperforms the Xiaomi 12S Ultra (51/100 vs 32/100).
Frequently asked questions
Which is better: the OnePlus 15T or the Xiaomi 12S Ultra?
The OnePlus 15T is noticeably better than the Xiaomi 12S Ultra — the overall rating gap is 15 points.
What is the rating of the OnePlus 15T and the Xiaomi 12S Ultra?
The OnePlus 15T has a MobileRank rating of 86/100, the Xiaomi 12S Ultra — 71/100.
Which has the better camera: the OnePlus 15T or the Xiaomi 12S Ultra?
The OnePlus 15T leads on camera score (78/100 vs 70/100).
Which is more powerful: the OnePlus 15T or the Xiaomi 12S Ultra?
The OnePlus 15T leads on performance (98/100 vs 73/100).
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, budget-conscious buyers. The Xiaomi 12S Ultra is a better fit for active users.