Xiaomi 15 vs Xiaomi 17 Ultra (China)
The Xiaomi 15 (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 $635 and $892. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 82/100 (a 5-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 5240); the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 2,914,100); the Xiaomi 15 is noticeably lighter (191g vs 224g).
Profile comparison
Category scores
Xiaomi 15
Xiaomi 17 Ultra (China)
What makes Xiaomi 15 better?
- Lighter: 191g vs 224g
- Cheaper at launch: $635 vs $892
- Better display (85/100 vs 81/100)
- Better portability (60/100 vs 42/100)
What makes Xiaomi 17 Ultra (China) better?
- Higher AnTuTu: 3950082 vs 2914100
- Better Geekbench Single: 3639 vs 3092
- Better Geekbench Multi: 11047 vs 9147
- Bigger battery: 6800 vs 5240 mAh
- Higher performance (98/100 vs 91/100)
- Better camera (87/100 vs 78/100)
- Longer battery life (83/100 vs 77/100)
Comparison verdict
Comparing the Xiaomi 15 vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 5 points higher (87/100 vs 82/100). Value score: Xiaomi 15 — 78/100, Xiaomi 17 Ultra (China) — 88/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Xiaomi 17 Ultra (China) is a bit better (98/100 vs 91/100). In the "display" category, the Xiaomi 15 and the Xiaomi 17 Ultra (China) are nearly equal (85/100 vs 81/100). In the "camera" category, the Xiaomi 17 Ultra (China) is a bit better (87/100 vs 78/100). In the "battery" category, the Xiaomi 17 Ultra (China) is a bit better (83/100 vs 77/100). In the "portability" category, the Xiaomi 15 notably outperforms the Xiaomi 17 Ultra (China) (60/100 vs 42/100).
Specs comparison
| Specification | Xiaomi 15 | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2914100 | 3950082 | |
| Geekbench Single | 3092 | 3639 | |
| Geekbench Multi | 9147 | 11047 | |
| Display | 6.4" LTPO AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 2670x1200 | 1200x2608 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5240 mAh | 6800 mAh | |
| Charging | 90W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | 147 | — | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 12GB / 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 | 152.3×71.2×8.4 mm | 162.9×77.6×8.3 mm | |
| Weight | 191 g | 224 g | |
| Launch price | $635 | $892 |
Camera comparison
Xiaomi 15
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Xiaomi 15
- 6.4" LTPO AMOLED
- Resolution: 2670x1200
- Refresh rate: 120 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Battery and charging
Xiaomi 15
- 5240 mAh
- NanoReview test: web browsing 13:20 hrs, total 31:54 hrs
- Wired: 90W
- Wireless: 50W
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Xiaomi 15 and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Xiaomi 15 by 26.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $257. Xiaomi 15 was $257 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 17 Ultra (China) is a bit better (98/100 vs 91/100).
display
In the "display" category, the Xiaomi 15 and the Xiaomi 17 Ultra (China) are nearly equal (85/100 vs 81/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) is a bit better (87/100 vs 78/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) is a bit better (83/100 vs 77/100).
portability
In the "portability" category, the Xiaomi 15 notably outperforms the Xiaomi 17 Ultra (China) (60/100 vs 42/100).
Frequently asked questions
Which is better: the Xiaomi 15 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) edges out the Xiaomi 15 by just 5 points — the two devices are very close in overall level.
What is the rating of the Xiaomi 15 and the Xiaomi 17 Ultra (China)?
The Xiaomi 15 has a MobileRank rating of 82/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Xiaomi 15 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 78/100).
Which is more powerful: the Xiaomi 15 or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 91/100).
Should you choose the Xiaomi 15 over the Xiaomi 17 Ultra (China)?
The Xiaomi 15 is a better fit for gamers and power users, 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.