Category Breakdown
Camera
≈ Tie
Main sensor resolution
≈ TieBattery
X300 Ultra
Battery capacity (6,600 mAh)
WinsCharging
X300 Ultra
Wired charging speed (100W)
WinsPerformance
X300 Ultra
AnTuTu benchmark (4,085,695 pts)
WinsDisplay
17 Ultra
Screen size (6.9")
WinsWeight
17 Ultra
Total weight (218.4g)
WinsValue
X300 Ultra
Specs-per-dollar (server score) (7.3/10)
WinsFull Spec Comparison
| Spec | X300 Ultra | 17 Ultra |
|---|---|---|
Display | ||
| 6.82" | 6.9" | |
| 1,440 × 3,168 | 1,200 × 2,608 | |
| LTPO AMOLED | LTPO AMOLED | |
| 144Hz | 120Hz | |
| — | 3,500 nits | |
Camera | ||
| 200 MP | 200 MP | |
| Triple | Triple | |
| 3.7x | 4.3x | |
| Yes | Yes | |
| Fingerprint (under display, ultrasonic), accelerometer, compass, gyro, proximity | Fingerprint (under display, ultrasonic), accelerometer, barometer, compass, gyro, proximity | |
Performance | ||
| Snapdragon 8 Elite | Snapdragon 8 Elite Gen 5 | |
| 4,085,695 | 3,863,387 | |
| 11,494 | 10,896 | |
| 7,075 | 6,948 | |
| 16 GB | 16 GB | |
| 1024 GB | 1024 GB | |
Battery | ||
| 6,600 mAh | 6,000 mAh | |
| 100W | 90W | |
| 40W | 50W | |
Build | ||
| 232g | 218.4g | |
| 8.2mm | 8.3mm | |
| Glass front, glass back, aluminum frame | Glass front, eco leather/plastic back, aluminum frame | |
| Not specified | IP68 | |
| Ultra Flagship | Ultra Flagship | |
Who Each Phone Is Really For
If your priorities differ from the verdict above, start here.
Best overall value
vivo X300 Ultra
Highest value score — most specs per dollar.
Budget pick
Xiaomi 17 Ultra
Lowest price while still competitive.
Photography
Xiaomi 17 Ultra
Highest resolution main camera.