Xiaomi 12S vs Xiaomi 15 Ultra
The Xiaomi 12S (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 63/100 (a 22-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4500); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,381,634); the Xiaomi 12S is noticeably lighter (179g vs 225g).
Profile comparison
Category scores
Xiaomi 12S
Xiaomi 15 Ultra
What makes Xiaomi 12S better?
- Lighter: 179g vs 225g
- Better portability (69/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1381634
- Better Geekbench Single: 3050 vs 1761
- Better Geekbench Multi: 10200 vs 4688
- Bigger battery: 6000 vs 4500 mAh
- Faster charging: 90W vs 67W
- Higher performance (92/100 vs 71/100)
- Better camera (87/100 vs 44/100)
- Longer battery life (80/100 vs 57/100)
- Better display (90/100 vs 82/100)
Comparison verdict
Comparing the Xiaomi 12S vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 22 points higher (85/100 vs 63/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 71/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 44/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 57/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Xiaomi 12S (92/100 vs 71/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 82/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi 12S (87/100 vs 44/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Xiaomi 12S (80/100 vs 57/100). In the "portability" category, the Xiaomi 12S significantly outperforms the Xiaomi 15 Ultra (69/100 vs 29/100).
Specs comparison
| Specification | Xiaomi 12S | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8+ Gen 1 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1381634 | 3030376 | |
| Geekbench Single | 1761 | 3050 | |
| Geekbench Multi | 4688 | 10200 | |
| Display | 6.3" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1080x2400 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 6000 mAh | |
| Charging | 67W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 5 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 8GB / 12GB | 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 12, MIUI 13 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 1100 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 152.7×69.9×8.2 mm | 161.3×75.3×9.4 mm | |
| Weight | 179 g | 225 g | |
| Launch price | — | $999 |
Camera comparison
Xiaomi 12S
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 5MP
- Front: 32MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Xiaomi 12S
- 6.3" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Xiaomi 12S
- 4500 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 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Xiaomi 12S by 54.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi 12S
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Xiaomi 12S (92/100 vs 71/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi 12S (87/100 vs 44/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Xiaomi 12S (80/100 vs 57/100).
portability
In the "portability" category, the Xiaomi 12S significantly outperforms the Xiaomi 15 Ultra (69/100 vs 29/100).
Frequently asked questions
Which is better: the Xiaomi 12S or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Xiaomi 12S by 22 points (85/100 vs 63/100).
What is the rating of the Xiaomi 12S and the Xiaomi 15 Ultra?
The Xiaomi 12S has a MobileRank rating of 63/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Xiaomi 12S or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 44/100).
Which is more powerful: the Xiaomi 12S or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 71/100).
Should you choose the Xiaomi 12S over the Xiaomi 15 Ultra?
The Xiaomi 12S 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.