Category Breakdown
Camera
≈ Tie
Main sensor resolution
≈ TieBattery
18 Pro Max
Battery capacity (8,500 mAh)
WinsCharging
≈ Tie
Wired charging speed
≈ TiePerformance
X300 Ultra
AnTuTu benchmark (4,085,695 pts)
WinsDisplay
18 Pro Max
Screen size (6.9")
WinsWeight
X300 Ultra
Total weight (232g)
WinsValue
18 Pro Max
Specs-per-dollar (server score) (7.7/10)
WinsFull Spec Comparison
| Spec | X300 Ultra | 18 Pro Max |
|---|---|---|
Display | ||
| 6.82" | 6.9" | |
| 1,440 × 3,168 | 1,208 × 2,624 | |
| LTPO AMOLED | LTPO AMOLED | |
| 144Hz | 2,160Hz | |
| — | 4,000 nits | |
Camera | ||
| 200 MP | 200 MP | |
| Triple | Triple | |
| 3.7x | 3.2x | |
| Yes | Yes | |
| Fingerprint (under display, ultrasonic), accelerometer, compass, gyro, proximity | Fingerprint (under display, ultrasonic), Ultra Wideband (UWB) support, accelerometer, barometer, compass, gyro, proximity | |
Performance | ||
| Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| 4,085,695 | — | |
| 11,494 | — | |
| 7,075 | — | |
| 16 GB | 16 GB | |
| 1024 GB | 1024 GB | |
Battery | ||
| 6,600 mAh | 8,500 mAh | |
| 100W | 100W | |
| 40W | 50W | |
Build | ||
| 232g | 235g | |
| 8.2mm | 8.4mm | |
| Glass front, glass back, aluminum frame | Glass front (Dragon Crystal Glass 3), aluminum frame | |
| Not specified | IP68 | |
| Ultra Flagship | Flagship | |
Who Each Phone Is Really For
If your priorities differ from the verdict above, start here.
Best overall value
Xiaomi 18 Pro Max
Highest value score — most specs per dollar.
Budget pick
Xiaomi 18 Pro Max
Lowest price while still competitive.
Photography
Xiaomi 18 Pro Max
Highest resolution main camera.