Vivo X300 Ultra vs Xiaomi 18 Pro Max
The Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6; launch prices were $950 and $986. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 88/100 (a 3-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 7000).
Profile comparison
Category scores
Vivo X300 Ultra
Xiaomi 18 Pro Max
What makes Vivo X300 Ultra better?
- Lighter: 230g vs 235g
- Cheaper at launch: $950 vs $986
- Better display (89/100 vs 82/100)
- Better portability (39/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Bigger battery: 8500 vs 7000 mAh
- Faster wireless charging: 50W vs 40W
- Better camera (100/100 vs 96/100)
- Longer battery life (92/100 vs 85/100)
Comparison verdict
Comparing the Vivo X300 Ultra vs the Xiaomi 18 Pro Max, the Vivo X300 Ultra scores 3 points higher (91/100 vs 88/100). Value score: Vivo X300 Ultra — 94/100, Xiaomi 18 Pro Max — 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 "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro Max and the Vivo X300 Ultra are nearly equal (100/100 vs 96/100). In the "battery" category, the Xiaomi 18 Pro Max is a bit better (92/100 vs 85/100). In the "portability" category, the Vivo X300 Ultra is a bit better (39/100 vs 33/100).
Specs comparison
| Specification | Vivo X300 Ultra | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 4247433 | — | |
| Geekbench Single | 3639 | — | |
| Geekbench Multi | 11047 | — | |
| Display | 6.8" LTPO OLED | 6.9" LTPO AMOLED | |
| Resolution | 3168x1440 | 1208x2624 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7000 mAh | 8500 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 40W | 50W | |
| DXOMark (camera) | 170 | — | |
| Main camera | 200 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 200 MP | 200 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 17 | |
| Brightness (peak) | — | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP69 | IP68/IP69 | |
| Dimensions | 163.0×76.8×8.2 mm | 163.4×77.6×8.4 mm | |
| Weight | 230 g | 235 g | |
| Launch price | $950 | $986 |
Camera comparison
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 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 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Benchmarks
Launch prices and where to check today's
Launch price difference: $36. Vivo X300 Ultra was $36 cheaper at launch.
Detailed category analysis
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max and the Vivo X300 Ultra are nearly equal (100/100 vs 96/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max is a bit better (92/100 vs 85/100).
portability
In the "portability" category, the Vivo X300 Ultra is a bit better (39/100 vs 33/100).
Frequently asked questions
Which is better: the Vivo X300 Ultra or the Xiaomi 18 Pro Max?
The Vivo X300 Ultra edges out the Xiaomi 18 Pro Max by just 3 points — the two devices are very close in overall level.
What is the rating of the Vivo X300 Ultra and the Xiaomi 18 Pro Max?
The Vivo X300 Ultra has a MobileRank rating of 91/100, the Xiaomi 18 Pro Max — 88/100.
Should you choose the Vivo X300 Ultra over the Xiaomi 18 Pro Max?
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. The Xiaomi 18 Pro Max is a better fit for mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.