Category Breakdown
Camera
Redmi K50 Ultra
Main sensor resolution (108 MP)
WinsBattery
Redmi K90 Max
Battery capacity (8,550 mAh)
WinsCharging
Redmi K50 Ultra
Wired charging speed (120W)
WinsPerformance
—
AnTuTu benchmark
—Display
Redmi K90 Max
Screen size (6.83")
WinsWeight
Redmi K50 Ultra
Total weight (202g)
WinsValue
Redmi K90 Max
Specs-per-dollar (server score) (9/10)
WinsFull Spec Comparison
| Spec | Redmi K50 Ultra | Redmi K90 Max |
|---|---|---|
Display | ||
| 6.67" | 6.83" | |
| 1,220 × 2,712 | 1,280 × 2,772 | |
| OLED | AMOLED | |
| 144Hz | 165Hz | |
| 1,200 nits | 3,500 nits | |
Camera | ||
| 108 MP | 50 MP | |
| Triple | Dual | |
| Yes | Yes | |
| Fingerprint (under display, Fingerprint (under display, optical), accelerometer, compass, gyro, optical), proximity | Fingerprint (under display, ultrasonic), accelerometer, compass, gyro, proximity | |
Performance | ||
| Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) | MediaTek Dimensity 9500 | |
| 12 GB | 16 GB | |
| 512 GB | 1024 GB | |
Battery | ||
| 5,000 mAh | 8,550 mAh | |
| 120W | 100W | |
| No | No | |
Build | ||
| 202g | 227g | |
| 8.6mm | 8.2mm | |
| — | Dragon Crystal Glass front, aluminum frame, glass-fiber/silicone back | |
| IP53 | No certified water resistance | |
| Upper Mid-Range | Upper Mid-Range | |
Who Each Phone Is Really For
If your priorities differ from the verdict above, start here.
Best overall value
Xiaomi Redmi K90 Max
Highest value score — most specs per dollar.
Budget pick
Xiaomi Redmi K50 Ultra
Lowest price while still competitive.
Photography
Xiaomi Redmi K50 Ultra
Highest resolution main camera.