Category Breakdown
Camera
≈ Tie
Main sensor resolution
≈ TieBattery
Redmi K90
Battery capacity (7,100 mAh)
WinsCharging
Redmi K90
Wired charging speed (100W)
WinsPerformance
13 Ultra
AnTuTu benchmark (1,268,538 pts)
WinsDisplay
13 Ultra
Screen size (6.73")
WinsWeight
Redmi K90
Total weight (206g)
WinsValue
13 Ultra
Specs-per-dollar (server score) (9.5/10)
WinsFull Spec Comparison
| Spec | 13 Ultra | Redmi K90 |
|---|---|---|
Display | ||
| 6.73" | 6.59" | |
| 1,440 × 3,200 | 1,156 × 2,510 | |
| LTPO AMOLED | AMOLED | |
| 120Hz | 560Hz | |
| 2,600 nits | 3,500 nits | |
Camera | ||
| 50 MP | 50 MP | |
| Quad | Triple | |
| 5x | 2.5x | |
| Yes | Yes | |
| Fingerprint (under display, Fingerprint (under display, optical), accelerometer, barometer, compass, gyro, optical), proximity | Fingerprint (under display, Fingerprint (under display, ultrasonic), accelerometer, compass, gyro, proximity, ultrasonic) | |
Performance | ||
| Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) | Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) | |
| 1,268,538 | — | |
| 16 GB | 16 GB | |
| 1024 GB | 1024 GB | |
Battery | ||
| 5,000 mAh | 7,100 mAh | |
| 90W | 100W | |
| 50W | No | |
Build | ||
| 227g | 206g | |
| 9.1mm | 8mm | |
| Glass front (Gorilla Glass Victus), eco leather back, aluminum frame | Glass front, aluminum frame | |
| IP68 | — | |
| Flagship | Flagship | |
Who Each Phone Is Really For
If your priorities differ from the verdict above, start here.
Best overall value
Xiaomi 13 Ultra
Highest value score — most specs per dollar.
Budget pick
Xiaomi Redmi K90
Lowest price while still competitive.
Photography
Xiaomi Redmi K90
Highest resolution main camera.