Vivo X300 Ultra vs Xiaomi 15S Pro
The Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 15S Pro (2025) runs on the Xiaomi XRING O1; estimated prices are $950 and $760. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 84/100 (a 7-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6100); the main camera is 200 MP vs 50 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 2,998,904).
Vivo X300 Ultra
Xiaomi 15S Pro
- Higher AnTuTu: 4247433 vs 2998904
- Better Geekbench Single: 3640 vs 2746
- Better Geekbench Multi: 11033 vs 8431
- Bigger battery: 7000 vs 6100 mAh
- Faster charging: 100W vs 90W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 89/100)
- Better camera (96/100 vs 78/100)
- Longer battery life (85/100 vs 77/100)
- Better value for money (94/100 vs 80/100)
- Cheaper: $760 vs $950
- Better display (90/100 vs 89/100)
Comparing the Vivo X300 Ultra vs the Xiaomi 15S Pro, the Vivo X300 Ultra scores 7 points higher (91/100 vs 84/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 89/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 78/100). In the "value for money" category, the Vivo X300 Ultra leads (94/100 vs 80/100). In the "performance" category, the Vivo X300 Ultra is a bit better (99/100 vs 89/100). In the "display" category, the Xiaomi 15S Pro and the Vivo X300 Ultra are nearly equal (90/100 vs 89/100). In the "camera" category, the Vivo X300 Ultra notably outperforms the Xiaomi 15S Pro (96/100 vs 78/100). In the "battery" category, the Vivo X300 Ultra is a bit better (85/100 vs 77/100). In the "value for money" category, the Vivo X300 Ultra is a bit better (94/100 vs 80/100).
| Specification | Vivo X300 Ultra | Xiaomi 15S Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Xiaomi XRING O1 | |
| AnTuTu | 4247433 | 2998904 | |
| Geekbench Single | 3640 | 2746 | |
| Geekbench Multi | 11033 | 8431 | |
| Display | 6.8" LTPO OLED | 6.7" LTPO AMOLED | |
| Resolution | 3168x1440 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7000 mAh | 6100 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 40W | — | |
| DXOMark (camera) | 170 | — | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 200 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB / 1TB | 512GB / 1TB | |
| OS | Android 16 | Android 15 | |
| NFC | yes | — | |
| Protection | IP69 | — | |
| Dimensions | 163.0×76.8×8.2 mm | — | |
| Weight | 230 g | — | |
| Price | $950 | $760 |
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Xiaomi 15S Pro
- Main: 50MP f/f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Xiaomi 15S Pro
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Xiaomi 15S Pro
- 6100 mAh
- Wired: 90W
- Wireless charging: no data
We compared Vivo X300 Ultra and Xiaomi 15S Pro, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Xiaomi 15S Pro by 41.6% in our overall performance rating.
Price difference: $190. Xiaomi 15S Pro is cheaper by $190.
performance
In the "performance" category, the Vivo X300 Ultra is a bit better (99/100 vs 89/100).
display
In the "display" category, the Xiaomi 15S Pro and the Vivo X300 Ultra are nearly equal (90/100 vs 89/100).
camera
In the "camera" category, the Vivo X300 Ultra notably outperforms the Xiaomi 15S Pro (96/100 vs 78/100).
battery
In the "battery" category, the Vivo X300 Ultra is a bit better (85/100 vs 77/100).
value for money
In the "value for money" category, the Vivo X300 Ultra is a bit better (94/100 vs 80/100).
Which is better: the Vivo X300 Ultra or the Xiaomi 15S Pro?
The Vivo X300 Ultra edges out the Xiaomi 15S Pro by just 7 points — the two devices are very close in overall level.
What is the rating of the Vivo X300 Ultra and the Xiaomi 15S Pro?
The Vivo X300 Ultra has a MobileRank rating of 91/100, the Xiaomi 15S Pro — 84/100.
Which has the better camera: the Vivo X300 Ultra or the Xiaomi 15S Pro?
The Vivo X300 Ultra leads on camera score (96/100 vs 78/100).
Which is more powerful: the Vivo X300 Ultra or the Xiaomi 15S Pro?
The Vivo X300 Ultra leads on performance (99/100 vs 89/100).
Should you choose the Vivo X300 Ultra over the Xiaomi 15S Pro?
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 15S Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.