Category Breakdown
Camera
≈ Tie
Main sensor resolution
≈ TieBattery
Redmi K90 Ultra
Battery capacity (8,550 mAh)
WinsCharging
Redmi K90 Ultra
Wired charging speed (100W)
WinsPerformance
—
AnTuTu benchmark
—Display
≈ Tie
Screen size
≈ TieWeight
Poco X8
Total weight (223g)
WinsValue
Redmi K90 Ultra
Specs-per-dollar (server score) (10/10)
WinsFull Spec Comparison
| Spec | Poco X8 | Redmi K90 Ultra |
|---|---|---|
Display | ||
| 6.83" | 6.83" | |
| 1,280 × 2,772 | 1,280 × 2,772 | |
| AMOLED | AMOLED | |
| 120Hz | 165Hz | |
| 3,500 nits | 9,500 nits | |
Camera | ||
| 50 MP | 50 MP | |
| Dual | Dual | |
| Yes | Yes | |
| Fingerprint (under display, optical), accelerometer, compass, gyro, proximity | Fingerprint (under display, optical), accelerometer, compass, gyro, proximity | |
Performance | ||
| Qualcomm SM6435-AA Snapdragon 6s Gen 4 | Snapdragon 8 Elite | |
| 12 GB | 16 GB | |
| 256 GB | 512 GB | |
Battery | ||
| 8,340 mAh | 8,550 mAh | |
| 67W | 100W | |
| No | No | |
Build | ||
| 223g | 227g | |
| 8.6mm | 8.2mm | |
| Glass front (Gorilla Glass Victus 2), plastic back, plastic frame | Glass front, aluminum frame | |
| IP68 | none | |
| Mid-Range | Mid-Range | |
Who Each Phone Is Really For
If your priorities differ from the verdict above, start here.
Lightweight Alternative
Xiaomi Poco X8
This device is a slightly lighter option for users who prioritize a lower physical weight.
Best Overall Performance
Xiaomi Redmi K90 Ultra
It features the powerful Snapdragon 8 Elite chipset and faster 100W charging for top-tier performance.