Xiaomi 12S Ultra vs Xiaomi 15 Ultra
The Xiaomi 12S Ultra (2022) runs on the Qualcomm Snapdragon 8+ Gen 1, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 71/100 (a 14-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4800); the main camera is 3 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,627,862); per DXOMark lab testing, the Xiaomi 15 Ultra has the stronger camera (159 vs 136).
Profile comparison
Category scores
Xiaomi 12S Ultra
Xiaomi 15 Ultra
What makes Xiaomi 12S Ultra better?
- Better portability (32/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1627862
- Better Geekbench Single: 3050 vs 1761
- Better Geekbench Multi: 10200 vs 4688
- Bigger battery: 6000 vs 4800 mAh
- Faster charging: 90W vs 67W
- Better main camera: 50MP vs 3MP
- Higher performance (92/100 vs 73/100)
- Better camera (87/100 vs 70/100)
- Longer battery life (80/100 vs 64/100)
Comparison verdict
Comparing the Xiaomi 12S Ultra vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 14 points higher (85/100 vs 71/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 73/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 70/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 64/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Xiaomi 12S Ultra (92/100 vs 73/100). In the "display" category, both devices are on the same level — 90/100. In the "camera" category, the Xiaomi 15 Ultra notably outperforms the Xiaomi 12S Ultra (87/100 vs 70/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Xiaomi 12S Ultra (80/100 vs 64/100). In the "portability" category, the Xiaomi 12S Ultra and the Xiaomi 15 Ultra are nearly equal (32/100 vs 29/100).
Specs comparison
| Specification | Xiaomi 12S Ultra | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8+ Gen 1 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1627862 | 3030376 | |
| Geekbench Single | 1761 | 3050 | |
| Geekbench Multi | 4688 | 10200 | |
| Display | 6.7" LTPO2 AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1440x3200 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4800 mAh | 6000 mAh | |
| Charging | 67W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | 136 | 159 | |
| Main camera | 3 MP | 50 MP | |
| Ultrawide | 48 MP | 50 MP | |
| Telephoto | 48 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 8GB / 12GB | 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 12, MIUI 13 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 1500 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.2×75.0×9.1 mm | 161.3×75.3×9.4 mm | |
| Weight | 225 g | 225 g | |
| Launch price | — | $999 |
Camera comparison
Xiaomi 12S Ultra
- Main: 3MP f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- Wireless: 50W
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Xiaomi 12S Ultra and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Xiaomi 12S Ultra by 46.3% 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 Xiaomi 15 Ultra notably outperforms the Xiaomi 12S Ultra (92/100 vs 73/100).
display
In the "display" category, both devices are on the same level — 90/100.
camera
In the "camera" category, the Xiaomi 15 Ultra notably outperforms the Xiaomi 12S Ultra (87/100 vs 70/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Xiaomi 12S Ultra (80/100 vs 64/100).
portability
In the "portability" category, the Xiaomi 12S Ultra and the Xiaomi 15 Ultra are nearly equal (32/100 vs 29/100).
Frequently asked questions
Which is better: the Xiaomi 12S Ultra or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is noticeably better than the Xiaomi 12S Ultra — the overall rating gap is 14 points.
What is the rating of the Xiaomi 12S Ultra and the Xiaomi 15 Ultra?
The Xiaomi 12S Ultra has a MobileRank rating of 71/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Xiaomi 12S Ultra or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 70/100).
Which is more powerful: the Xiaomi 12S Ultra or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 73/100).
Should you choose the Xiaomi 12S Ultra over the Xiaomi 15 Ultra?
The Xiaomi 12S Ultra is a better fit for active users. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.