Samsung Galaxy S25 Ultra vs Xiaomi 17 Ultra (China)
The Samsung Galaxy S25 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 $1299 and $892. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 79/100 (a 8-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 5000); the main camera is 200 MP vs 50 MP; the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 2,780,751).
Profile comparison
Category scores
Samsung Galaxy S25 Ultra
Xiaomi 17 Ultra (China)
What makes Samsung Galaxy S25 Ultra better?
- Better main camera: 200MP vs 50MP
- Lighter: 218g vs 224g
- Better display (88/100 vs 81/100)
- Better portability (46/100 vs 42/100)
What makes Xiaomi 17 Ultra (China) better?
- Higher AnTuTu: 3950082 vs 2780751
- Better Geekbench Single: 3639 vs 3100
- Better Geekbench Multi: 11047 vs 9760
- Bigger battery: 6800 vs 5000 mAh
- Faster charging: 90W vs 45W
- Faster wireless charging: 50W vs 15W
- Cheaper at launch: $892 vs $1299
- Higher performance (98/100 vs 91/100)
- Better camera (87/100 vs 81/100)
- Longer battery life (83/100 vs 56/100)
Comparison verdict
Comparing the Samsung Galaxy S25 Ultra vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 8 points higher (87/100 vs 79/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 56/100). Value score: Samsung Galaxy S25 Ultra — 68/100, 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 Samsung Galaxy S25 Ultra is a bit better (88/100 vs 81/100). In the "camera" category, the Xiaomi 17 Ultra (China) is a bit better (87/100 vs 81/100). In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Samsung Galaxy S25 Ultra (83/100 vs 56/100). In the "portability" category, the Samsung Galaxy S25 Ultra and the Xiaomi 17 Ultra (China) are nearly equal (46/100 vs 42/100).
Specs comparison
| Specification | Samsung Galaxy S25 Ultra | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2780751 | 3950082 | |
| Geekbench Single | 3100 | 3639 | |
| Geekbench Multi | 9760 | 11047 | |
| Display | 6.9" Dynamic AMOLED 2X | 6.9" LTPO AMOLED | |
| Resolution | 3120x1440 | 1200x2608 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 6800 mAh | |
| Charging | 45W | 90W | |
| Wireless charging | 15W | 50W | |
| DXOMark (camera) | 151 | — | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 12 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 512GB / 1TB | |
| OS | Android 15 / One UI 7 | Android 16 | |
| Brightness (peak) | 2600 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 162.8×77.6×8.2 mm | 162.9×77.6×8.3 mm | |
| Weight | 218 g | 224 g | |
| Launch price | $1299 | $892 |
Camera comparison
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Battery and charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Samsung Galaxy S25 Ultra and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Samsung Galaxy S25 Ultra by 29.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $407. Xiaomi 17 Ultra (China) was $407 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 Samsung Galaxy S25 Ultra is a bit better (88/100 vs 81/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) is a bit better (87/100 vs 81/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Samsung Galaxy S25 Ultra (83/100 vs 56/100).
portability
In the "portability" category, the Samsung Galaxy S25 Ultra and the Xiaomi 17 Ultra (China) are nearly equal (46/100 vs 42/100).
Frequently asked questions
Which is better: the Samsung Galaxy S25 Ultra or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) edges out the Samsung Galaxy S25 Ultra by just 8 points — the two devices are very close in overall level.
What is the rating of the Samsung Galaxy S25 Ultra and the Xiaomi 17 Ultra (China)?
The Samsung Galaxy S25 Ultra has a MobileRank rating of 79/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Samsung Galaxy S25 Ultra or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 81/100).
Which is more powerful: the Samsung Galaxy S25 Ultra or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 91/100).
Should you choose the Samsung Galaxy S25 Ultra over the Xiaomi 17 Ultra (China)?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts. 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.