Xiaomi 15 Ultra vs Xiaomi Mi 9
The Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi Mi 9 (2019) runs on the Qualcomm Snapdragon 855; launch prices were $999 and $400. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 47/100 (a 38-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 3300); the main camera is 50 MP vs 48 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 824,513); the Xiaomi Mi 9 is noticeably lighter (173g vs 225g).
Xiaomi 15 Ultra
Xiaomi Mi 9
- Higher AnTuTu: 3030376 vs 824513
- Better Geekbench Single: 3050 vs 968
- Better Geekbench Multi: 10200 vs 2731
- Bigger battery: 6000 vs 3300 mAh
- Faster charging: 90W vs 27W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Faster wireless charging: 50W vs 20W
- Higher performance (92/100 vs 54/100)
- Better camera (87/100 vs 44/100)
- Longer battery life (80/100 vs 22/100)
- Better display (90/100 vs 56/100)
- Lighter: 173g vs 225g
- Cheaper at launch: $400 vs $999
- Better portability (79/100 vs 29/100)
Comparing the Xiaomi 15 Ultra vs the Xiaomi Mi 9, the Xiaomi 15 Ultra scores 38 points higher (85/100 vs 47/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 54/100). 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 22/100). Value score: Xiaomi 15 Ultra — 82/100, Xiaomi Mi 9 — 32/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi 9 (92/100 vs 54/100). In the "display" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi 9 (90/100 vs 56/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi 9 (87/100 vs 44/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi 9 (80/100 vs 22/100). In the "portability" category, the Xiaomi Mi 9 significantly outperforms the Xiaomi 15 Ultra (79/100 vs 29/100).
| Specification | Xiaomi 15 Ultra | Xiaomi Mi 9 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855 | |
| AnTuTu | 3030376 | 824513 | |
| Geekbench Single | 3050 | 968 | |
| Geekbench Multi | 10200 | 2731 | |
| Display | 6.7" LTPO AMOLED | 6.4" AMOLED | |
| Resolution | 3200x1440 | 2340x1080 | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 6000 mAh | 3300 mAh | |
| Charging | 90W | 27W | |
| Wireless charging | 50W | 20W | |
| DXOMark (camera) | 159 | — | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 50 MP | 16 MP | |
| Telephoto | 50 MP | 12 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB | |
| OS | Android 15 / HyperOS 2 | Android 9 | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 161.3×75.3×9.4 mm | 157.5×74.7×7.6 mm | |
| Weight | 225 g | 173 g | |
| Launch price | $999 | $400 |
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi Mi 9
- Main: 48MP f/1.75
- Ultrawide: 16MP
- Telephoto: 12MP
- Front: 20MP
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Xiaomi Mi 9
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Xiaomi Mi 9
- 3300 mAh
- Wired: 27W
- Wireless: 20W
We compared Xiaomi 15 Ultra and Xiaomi Mi 9, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Xiaomi Mi 9 by 267.5% in our overall performance rating.
Launch price difference: $599. Xiaomi Mi 9 was $599 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi 9 (92/100 vs 54/100).
display
In the "display" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi 9 (90/100 vs 56/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi 9 (87/100 vs 44/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi 9 (80/100 vs 22/100).
portability
In the "portability" category, the Xiaomi Mi 9 significantly outperforms the Xiaomi 15 Ultra (79/100 vs 29/100).
Which is better: the Xiaomi 15 Ultra or the Xiaomi Mi 9?
The Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi 9 by 38 points (85/100 vs 47/100).
What is the rating of the Xiaomi 15 Ultra and the Xiaomi Mi 9?
The Xiaomi 15 Ultra has a MobileRank rating of 85/100, the Xiaomi Mi 9 — 47/100.
Which has the better camera: the Xiaomi 15 Ultra or the Xiaomi Mi 9?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 44/100).
Which is more powerful: the Xiaomi 15 Ultra or the Xiaomi Mi 9?
The Xiaomi 15 Ultra leads on performance (92/100 vs 54/100).
Should you choose the Xiaomi 15 Ultra over the Xiaomi Mi 9?
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 Mi 9 is a better fit for everyday use.