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 — 83/100 vs 71/100 (a 12-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 (3,950,082 vs 1,627,862); the OnePlus 15s is noticeably lighter (195g vs 225g).
Profile comparison
Category scores
OnePlus 15s
Xiaomi 12S Ultra
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 1627862
- Better Geekbench Single: 3639 vs 1761
- Better Geekbench Multi: 11047 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 (98/100 vs 73/100)
- Longer battery life (89/100 vs 64/100)
- Better display (95/100 vs 90/100)
- Better portability (64/100 vs 32/100)
What makes Xiaomi 12S Ultra better?
- Better camera (70/100 vs 53/100)
Comparison verdict
Comparing the OnePlus 15s vs the Xiaomi 12S Ultra, the OnePlus 15s scores 12 points higher (83/100 vs 71/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 73/100). In the "camera" category, the Xiaomi 12S Ultra leads (70/100 vs 53/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 64/100). In the "performance" category, the OnePlus 15s notably outperforms the Xiaomi 12S Ultra (98/100 vs 73/100). In the "display" category, the OnePlus 15s is a bit better (95/100 vs 90/100). In the "camera" category, the Xiaomi 12S Ultra notably outperforms the OnePlus 15s (70/100 vs 53/100). In the "battery" category, the OnePlus 15s notably outperforms the Xiaomi 12S Ultra (89/100 vs 64/100). In the "portability" category, the OnePlus 15s significantly outperforms the Xiaomi 12S Ultra (64/100 vs 32/100).
Specs comparison
| Specification | OnePlus 15s | 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 | 6.3" 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 | 50W | |
| 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 | |
| Launch price | $700 | — |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Xiaomi 12S Ultra
- Main: 3MP f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
Display comparison
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared OnePlus 15s and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
OnePlus 15s leads Xiaomi 12S Ultra by 142.7% 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 15s notably outperforms the Xiaomi 12S Ultra (98/100 vs 73/100).
display
In the "display" category, the OnePlus 15s is a bit better (95/100 vs 90/100).
camera
In the "camera" category, the Xiaomi 12S Ultra notably outperforms the OnePlus 15s (70/100 vs 53/100).
battery
In the "battery" category, the OnePlus 15s notably outperforms the Xiaomi 12S Ultra (89/100 vs 64/100).
portability
In the "portability" category, the OnePlus 15s significantly outperforms the Xiaomi 12S Ultra (64/100 vs 32/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Xiaomi 12S Ultra?
The OnePlus 15s is noticeably better than the Xiaomi 12S Ultra — the overall rating gap is 12 points.
What is the rating of the OnePlus 15s and the Xiaomi 12S Ultra?
The OnePlus 15s has a MobileRank rating of 83/100, the Xiaomi 12S Ultra — 71/100.
Which has the better camera: the OnePlus 15s or the Xiaomi 12S Ultra?
The Xiaomi 12S Ultra leads on camera score (70/100 vs 53/100).
Which is more powerful: the OnePlus 15s or the Xiaomi 12S Ultra?
The OnePlus 15s leads on performance (98/100 vs 73/100).
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, budget-conscious buyers. The Xiaomi 12S Ultra is a better fit for active users.