Category Breakdown
Camera
≈ Tie
Main sensor resolution
≈ TieBattery
15 Ultra
Battery capacity (5,410 mAh)
WinsCharging
≈ Tie
Wired charging speed
≈ TiePerformance
Signature
AnTuTu benchmark (3,057,975 pts)
WinsDisplay
Signature
Screen size (6.8")
WinsWeight
Signature
Total weight (186g)
WinsValue
Signature
Specs-per-dollar (server score) (6.6/10)
WinsFull Spec Comparison
| Spec | Signature | 15 Ultra |
|---|---|---|
Display | ||
| 6.8" | 6.73" | |
| 1,264 × 2,780 | 1,440 × 3,200 | |
| LTPO AMOLED | LTPO AMOLED | |
| 165Hz | 120Hz | |
| 6,200 nits | 3,200 nits | |
Camera | ||
| 50 MP | 50 MP | |
| Triple | Quad | |
| 3x | 4.3x | |
| Yes | Yes | |
| Fingerprint (under display, ultrasonic), Smart Connect (Ready For) support Ultra Wideband (UWB) support, accelerometer, compass, gyro, proximity | Fingerprint (under display, Fingerprint (under display, ultrasonic), accelerometer, barometer, compass, gyro, proximity, ultrasonic) | |
Performance | ||
| Snapdragon 8 Gen 5 | Snapdragon 8 Elite | |
| 3,057,975 | — | |
| 8,755 | — | |
| 5,589 | — | |
| 16 GB | 16 GB | |
| 1024 GB | 1024 GB | |
Battery | ||
| 5,200 mAh | 5,410 mAh | |
| 90W | 90W | |
| 50W | 80W | |
Build | ||
| 186g | 226g | |
| 7mm | 9.4mm | |
| Gorilla Glass Victus 2 front, aluminum frame | Glass front, eco leather or 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
Motorola Signature
Highest value score — most specs per dollar.
Budget pick
Motorola Signature
Lowest price while still competitive.
Photography
Xiaomi 15 Ultra
Highest resolution main camera.