Vivo X300 Ultra vs Xiaomi Mi 9
The Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi Mi 9 (2019) runs on the Qualcomm Snapdragon 855; launch prices were $950 and $400. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 47/100 (a 44-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 3300); the main camera is 200 MP vs 48 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 824,513); the Xiaomi Mi 9 is noticeably lighter (173g vs 230g).
Profile comparison
Category scores
Vivo X300 Ultra
Xiaomi Mi 9
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 824513
- Better Geekbench Single: 3639 vs 968
- Better Geekbench Multi: 11047 vs 2731
- Bigger battery: 7000 vs 3300 mAh
- Faster charging: 100W vs 27W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Faster wireless charging: 40W vs 20W
- Higher performance (99/100 vs 54/100)
- Better camera (96/100 vs 44/100)
- Longer battery life (85/100 vs 22/100)
- Better display (89/100 vs 56/100)
What makes Xiaomi Mi 9 better?
- Lighter: 173g vs 230g
- Cheaper at launch: $400 vs $950
- Better portability (79/100 vs 39/100)
Comparison verdict
Comparing the Vivo X300 Ultra vs the Xiaomi Mi 9, the Vivo X300 Ultra scores 44 points higher (91/100 vs 47/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 54/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 44/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 22/100). Value score: Vivo X300 Ultra — 94/100, 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 Vivo X300 Ultra significantly outperforms the Xiaomi Mi 9 (99/100 vs 54/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi 9 (89/100 vs 56/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi 9 (96/100 vs 44/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi 9 (85/100 vs 22/100). In the "portability" category, the Xiaomi Mi 9 significantly outperforms the Vivo X300 Ultra (79/100 vs 39/100).
Specs comparison
| Specification | Vivo X300 Ultra | Xiaomi Mi 9 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 855 | |
| AnTuTu | 4247433 | 824513 | |
| Geekbench Single | 3639 | 968 | |
| Geekbench Multi | 11047 | 2731 | |
| Display | 6.8" LTPO OLED | 6.4" AMOLED | |
| Resolution | 3168x1440 | 2340x1080 | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 7000 mAh | 3300 mAh | |
| Charging | 100W | 27W | |
| Wireless charging | 40W | 20W | |
| DXOMark (camera) | 170 | — | |
| Main camera | 200 MP | 48 MP | |
| Ultrawide | 50 MP | 16 MP | |
| Telephoto | 200 MP | 12 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB | |
| OS | Android 16 | Android 9 | |
| NFC | yes | yes | |
| Protection | IP69 | — | |
| Dimensions | 163.0×76.8×8.2 mm | 157.5×74.7×7.6 mm | |
| Weight | 230 g | 173 g | |
| Launch price | $950 | $400 |
Camera comparison
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Xiaomi Mi 9
- Main: 48MP f/1.75
- Ultrawide: 16MP
- Telephoto: 12MP
- Front: 20MP
Display comparison
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Xiaomi Mi 9
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Battery and charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Xiaomi Mi 9
- 3300 mAh
- Wired: 27W
- Wireless: 20W
Overall performance score
We compared Vivo X300 Ultra and Xiaomi Mi 9, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Xiaomi Mi 9 by 415.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $550. Xiaomi Mi 9 was $550 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi 9 (99/100 vs 54/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi 9 (89/100 vs 56/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi 9 (96/100 vs 44/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi 9 (85/100 vs 22/100).
portability
In the "portability" category, the Xiaomi Mi 9 significantly outperforms the Vivo X300 Ultra (79/100 vs 39/100).
Frequently asked questions
Which is better: the Vivo X300 Ultra or the Xiaomi Mi 9?
The Vivo X300 Ultra significantly outperforms the Xiaomi Mi 9 by 44 points (91/100 vs 47/100).
What is the rating of the Vivo X300 Ultra and the Xiaomi Mi 9?
The Vivo X300 Ultra has a MobileRank rating of 91/100, the Xiaomi Mi 9 — 47/100.
Which has the better camera: the Vivo X300 Ultra or the Xiaomi Mi 9?
The Vivo X300 Ultra leads on camera score (96/100 vs 44/100).
Which is more powerful: the Vivo X300 Ultra or the Xiaomi Mi 9?
The Vivo X300 Ultra leads on performance (99/100 vs 54/100).
Should you choose the Vivo X300 Ultra over the Xiaomi Mi 9?
The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.