Samsung Galaxy S25 Ultra vs Xiaomi Mi 9
The Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi Mi 9 (2019) runs on the Qualcomm Snapdragon 855; launch prices were $1299 and $400. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 80/100 vs 47/100 (a 33-point difference). Key differences: the Samsung Galaxy S25 Ultra has the bigger battery (5000 mAh vs 3300); the main camera is 200 MP vs 48 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 824,513); the Xiaomi Mi 9 is noticeably lighter (173g vs 218g).
Profile comparison
Category scores
Samsung Galaxy S25 Ultra
Xiaomi Mi 9
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 824513
- Better Geekbench Single: 3100 vs 968
- Better Geekbench Multi: 9760 vs 2731
- Bigger battery: 5000 vs 3300 mAh
- Faster charging: 45W vs 27W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (92/100 vs 54/100)
- Better camera (81/100 vs 44/100)
- Longer battery life (56/100 vs 22/100)
- Better display (88/100 vs 56/100)
What makes Xiaomi Mi 9 better?
- Faster wireless charging: 20W vs 15W
- Lighter: 173g vs 218g
- Cheaper at launch: $400 vs $1299
- Better portability (79/100 vs 46/100)
Comparison verdict
Comparing the Samsung Galaxy S25 Ultra vs the Xiaomi Mi 9, the Samsung Galaxy S25 Ultra scores 33 points higher (80/100 vs 47/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 54/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 44/100). In the "battery" category, the Samsung Galaxy S25 Ultra leads (56/100 vs 22/100). Value score: Samsung Galaxy S25 Ultra — 70/100, Xiaomi Mi 9 — 22/100; 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 Samsung Galaxy S25 Ultra significantly outperforms the Xiaomi Mi 9 (92/100 vs 54/100). In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Xiaomi Mi 9 (88/100 vs 56/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Xiaomi Mi 9 (81/100 vs 44/100). In the "battery" category, the Samsung Galaxy S25 Ultra significantly outperforms the Xiaomi Mi 9 (56/100 vs 22/100). In the "portability" category, the Xiaomi Mi 9 significantly outperforms the Samsung Galaxy S25 Ultra (79/100 vs 46/100).
Specs comparison
| Specification | Samsung Galaxy S25 Ultra | Xiaomi Mi 9 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855 | |
| AnTuTu | 3128552 | 824513 | |
| Geekbench Single | 3100 | 968 | |
| Geekbench Multi | 9760 | 2731 | |
| Display | 6.9" Dynamic AMOLED 2X | 6.4" AMOLED | |
| Resolution | 3120x1440 | 2340x1080 | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 5000 mAh | 3300 mAh | |
| Charging | 45W | 27W | |
| Wireless charging | 15W | 20W | |
| DXOMark (camera) | 151 | — | |
| Main camera | 200 MP | 48 MP | |
| Ultrawide | 50 MP | 16 MP | |
| Telephoto | 50 MP | 12 MP | |
| Front camera | 12 MP | 20 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB | |
| OS | Android 15 / One UI 7 | Android 9 | |
| Brightness (peak) | 2600 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 162.8×77.6×8.2 mm | 157.5×74.7×7.6 mm | |
| Weight | 218 g | 173 g | |
| Launch price | $1299 | $400 |
Camera comparison
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Xiaomi Mi 9
- Main: 48MP f/1.75
- Ultrawide: 16MP
- Telephoto: 12MP
- Front: 20MP
Display comparison
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Xiaomi Mi 9
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 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 Mi 9
- 3300 mAh
- Wired: 27W
- Wireless: 20W
Overall performance score
We compared Samsung Galaxy S25 Ultra and Xiaomi Mi 9, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Xiaomi Mi 9 by 279.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $899. Xiaomi Mi 9 was $899 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Xiaomi Mi 9 (92/100 vs 54/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Xiaomi Mi 9 (88/100 vs 56/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Xiaomi Mi 9 (81/100 vs 44/100).
battery
In the "battery" category, the Samsung Galaxy S25 Ultra significantly outperforms the Xiaomi Mi 9 (56/100 vs 22/100).
portability
In the "portability" category, the Xiaomi Mi 9 significantly outperforms the Samsung Galaxy S25 Ultra (79/100 vs 46/100).
Frequently asked questions
Which is better: the Samsung Galaxy S25 Ultra or the Xiaomi Mi 9?
The Samsung Galaxy S25 Ultra significantly outperforms the Xiaomi Mi 9 by 33 points (80/100 vs 47/100).
What is the rating of the Samsung Galaxy S25 Ultra and the Xiaomi Mi 9?
The Samsung Galaxy S25 Ultra has a MobileRank rating of 80/100, the Xiaomi Mi 9 — 47/100.
Which has the better camera: the Samsung Galaxy S25 Ultra or the Xiaomi Mi 9?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 44/100).
Which is more powerful: the Samsung Galaxy S25 Ultra or the Xiaomi Mi 9?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 54/100).
Should you choose the Samsung Galaxy S25 Ultra over the Xiaomi Mi 9?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.