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).
Xiaomi 12S Ultra
Xiaomi 15 Ultra
- Better portability (32/100 vs 29/100)
- 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)
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).
| 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 | |
| Price | — | $999 |
Xiaomi 12S Ultra
- Main: 3MP f/f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
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
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
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.
Xiaomi 12S Ultra
Price unknownperformance
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).
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.