Xiaomi 15 Ultra vs Xiaomi 17 Ultra (China)
The Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5; launch prices were $999 and $892. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 85/100 (a 2-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 6000); the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,942,923 vs 3,030,376); the Xiaomi 17 Ultra (China) is thinner (8.3mm vs 9.4mm).
Xiaomi 15 Ultra
Xiaomi 17 Ultra (China)
- Better display (90/100 vs 81/100)
- Higher AnTuTu: 3942923 vs 3030376
- Better Geekbench Single: 3640 vs 3050
- Better Geekbench Multi: 11033 vs 10200
- Bigger battery: 6800 vs 6000 mAh
- Lighter: 224g vs 225g
- Cheaper at launch: $892 vs $999
- Higher performance (98/100 vs 92/100)
- Longer battery life (83/100 vs 80/100)
- Better portability (42/100 vs 29/100)
Comparing the Xiaomi 15 Ultra vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 2 points higher (87/100 vs 85/100). Value score: Xiaomi 15 Ultra — 82/100, Xiaomi 17 Ultra (China) — 86/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 17 Ultra (China) is a bit better (98/100 vs 92/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 81/100). In the "camera" category, both devices are on the same level — 87/100. In the "battery" category, the Xiaomi 17 Ultra (China) and the Xiaomi 15 Ultra are nearly equal (83/100 vs 80/100). In the "portability" category, the Xiaomi 17 Ultra (China) is a bit better (42/100 vs 29/100).
| Specification | Xiaomi 15 Ultra | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3030376 | 3942923 | |
| Geekbench Single | 3050 | 3640 | |
| Geekbench Multi | 10200 | 11033 | |
| Display | 6.7" LTPO AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 3200x1440 | 1200x2608 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 6800 mAh | |
| Charging | 90W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | 159 | — | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 512GB / 1TB | |
| OS | Android 15 / HyperOS 2 | Android 16 | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 161.3×75.3×9.4 mm | 162.9×77.6×8.3 mm | |
| Weight | 225 g | 224 g | |
| Launch price | $999 | $892 |
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
We compared Xiaomi 15 Ultra and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Xiaomi 15 Ultra by 23.1% in our overall performance rating.
Launch price difference: $107. Xiaomi 17 Ultra (China) was $107 cheaper at launch.
performance
In the "performance" category, the Xiaomi 17 Ultra (China) is a bit better (98/100 vs 92/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 81/100).
camera
In the "camera" category, both devices are on the same level — 87/100.
battery
In the "battery" category, the Xiaomi 17 Ultra (China) and the Xiaomi 15 Ultra are nearly equal (83/100 vs 80/100).
portability
In the "portability" category, the Xiaomi 17 Ultra (China) is a bit better (42/100 vs 29/100).
Which is better: the Xiaomi 15 Ultra or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) edges out the Xiaomi 15 Ultra by just 2 points — the two devices are very close in overall level.
What is the rating of the Xiaomi 15 Ultra and the Xiaomi 17 Ultra (China)?
The Xiaomi 15 Ultra has a MobileRank rating of 85/100, the Xiaomi 17 Ultra (China) — 87/100.
Which is more powerful: the Xiaomi 15 Ultra or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 92/100).
Should you choose the Xiaomi 15 Ultra over the Xiaomi 17 Ultra (China)?
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. The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.