Xiaomi Redmi K90 Ultra
- Screen: 6.83" AMOLED - 1280 x 2772
- SoC: Qualcomm Snapdragon 8 Elite
- Camera: 2 (50 MP + 8 MP)
- Battery: 8550 mAh
- OS: Android 16
- Weight: 227 grams (8.01 oz)
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Review
Scores marked with a red asterisk (*) are approximate, as we currently do not have sufficient test results to make a precise estimation.
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Full specifications
Detailed specifications, tests, and benchmarks of the Xiaomi Redmi K90 UltraDisplay
| Type | AMOLED |
| Size | 6.83 inches |
| Resolution | 1280 x 2772 pixels |
| Aspect ratio | 19.5:9 |
| PPI | 447 ppi |
| Refresh rate | 165 Hz |
| Adaptive refresh rate | Yes |
| Max rated brightness in HDR | 9500 nits |
| HDR support | Yes, Dolby Vision |
| Touch sampling rate | 480 Hz |
| Screen protection | Tempered glass |
| Screen-to-body ratio | 90.2% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
Design and build
| Height | 162.91 mm (6.41 inches) |
| Width | 77.93 mm (3.07 inches) |
| Thickness | 8.18 mm (0.32 inches) |
| Weight | 227 g (8.01 oz) |
| Waterproof | IP69 |
| Advanced cooling | Active fan |
| Frame material | Metal |
| Colors | Black, Silver, Blue |
| Fingerprint scanner | Yes, in-display |
Performance
| Chipset | Qualcomm Snapdragon 8 Elite |
| Max clock | 4320 MHz |
| CPU cores | 8 (2 + 6) |
| Architecture | - 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L) |
| L3 cache | 8 MB |
| Manufacturing | TSMC |
| Lithography process | 3 nanometers |
| Neural processor (NPU) | Hexagon |
| Graphics | Adreno 830 |
| GPU shading units | 1536 |
| GPU clock | 1100 MHz |
| FLOPS | ~3379.2 GFLOPS |
Benchmarks
| Compute Score (GPU) | 24370 |
| Single-core score | 3261 |
| Multi-core score | 10224 |
| CPU | 924949 |
| GPU | 1161971 |
| Memory | 466704 |
| UX | 680071 |
| Total score | 3233695 |
AnTuTu 11 Ranking List - 70th place
Memory
| RAM size | 12 GB |
| Memory type | LPDDR5X |
| Memory clock | 5300 MHz |
| Channels | 4 |
| Storage size | 256 GB |
| Storage type | UFS 4.1 |
| Memory card | No |
Software
| Operating system | Android 16 |
| ROM | HyperOS 3 |
| OS updates | 4 years |
| Security updates | 6 years |
Battery
| Capacity | 8550 mAh |
| Max charge power | 100 W |
| Battery type | Silicon-Carbon (Si/C) |
| Replaceable | No |
| Wireless charging | No |
| Reverse charging | Yes |
| Fast charging | Yes |
Main camera
| Matrix | 50 megapixels |
| Image resolution | 8192 x 6144 |
| Zoom | Digital |
| Flash | Dual LED |
| Stabilization | Optical |
| 8K video recording | Up to 30FPS |
| 4K video recording | Up to 60FPS |
| 1080p video recording | Up to 60FPS |
| Slow motion | 1920 FPS (710p) |
| Lenses | 1) Standard: 50 MP 2) Ultrawide: 8 MP |
| Camera features | - Bokeh mode - Pro mode |
| Image resolution | 50 MP |
| Aperture | f/1.7 |
| Focal length | 24 mm |
| Sensor size | 1/1.55" (โ 0.65 inch) |
| Pixel size | 1 micron |
| Autofocus | Phase autofocus |
| Stabilization | Optical |
| Image resolution | 8 MP |
| Aperture | f/2.2 |
| Focal length | 15 mm |
| Sensor size | 1/4.0" (โ 0.25 inch) |
| Pixel size | 1.14 micron |
| Stabilization | Digital |
Selfie camera
| Megapixels | 20 megapixels |
| Image resolution | 5184 x 3888 |
| Aperture | f/2.2 |
| Autofocus | No |
| Stabilization | Digital |
| Video resolution | 1080p (Full HD) at 60 FPS |
| Depth sensor (TOF 3D) | No |
Connectivity
| Wi-Fi standard | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.4 |
| Bluetooth features | LE |
| USB type | USB Type-C |
| USB version | 2 |
| USB features | - Charging - USB-Storage mode - OTG |
| DisplayPort | No |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
| NFC* | Yes |
| Infrared port | Yes |
| Number of SIM* | 2 |
| Type of SIM card | Nano |
| Multi SIM mode | Standby |
| eSIM support* | No |
| Hybrid slot | No |
| 2G network | GSM B3/B5/B8 |
| 3G network | WCDMA B1/B4/B5/B6/B8/B19 |
| 4G network | LTE B1/B3/B4/B5/B7/B8/B19/B28/B66/B34/B38/B39/B40/B41/B42/B48 |
| 5G support | Yes |
Sound
| Speakers | Stereo |
| Headphone audio jack | No |
| FM radio | No |
| Dolby Atmos | Yes |
Other
| Category | Flagship |
| Announced | June 2026 |
| Release date | June 2026 |
| Launch price (MSRP) | $440 |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 100 W |
*Disclaimer! Some specifications of the Redmi K90 Ultra may differ by country or region