The K90 gets a 6.59-inch (2510 x 1156 pixels) 1.5K Resolution 12-bit AMOLED display with a 20:9 aspect ratio, up to 3500 nits peak brightness, 5,000,000:1 contrast ratio, HDR10+ support, Dolby Vision, 2560Hz PWM Dimming, DC Dimming, and Xiaomi Dragon Crystal Glass protection.
It is powered by the Snapdragon 8 Elite processor, paired with up to 16GB of LPDDR5x RAM and 1TB of UFS 4.0 storage. The handset gets a triple rear camera system, including a 50MP primary camera with f/1.88 Light Fusion 800 lens, OIS, LED flash, paired with an 8MP ultra-wide angle lens with f/2.2 aperture, ans a 50MP 2.5x telephoto camera with f/2.2 Aperture and OIS. There’s a 20MP selfie snapper on the front.
The device is equipped with dual stereo speakers with Sound by Bose. As for the battery, the Redmi K90 has a 7100mAh battery with 100W wired charging and 22.5W reverse wired charging.
It further has an X-axis linear motor, USB-C port, NFC, Bluetooth v5.4, 5G, Wi-Fi 7, an IR blaster, and Xiaomi’s latest HyperOS 3.0 based on Android 16. The handset is also IP68 rated and has a 3D ultrasonic fingerprint sensor.
| Status | Coming Soon |
| Memory Variants | 12/256 GB, 12/512 GB, 16/256 GB, 16/512 GB, 16/1 TB |
| Colour Options | Black, White, Blue, Purple |
| Front Protection Glass | Some Glass |
| Device Back | Glass |
| Screen Size (Inches) | 6.59 |
| Screen Type | AMOLED |
| Screen Resolution | 1156 x 2510 pixels |
| Screen Aspect Ratio | 20:9 |
| Refresh Rate | 120 Hz |
| Touch Sampling Rate | Unknown |
| Chipset | Snapdragon 8 Elite |
| Phone RAM | 12 GB, 16 GB |
| Phone RAM Type | LPDDR5x |
| Storage Capacity | 256 GB, 512 GB, 1 TB |
| Storage Type | UFS 4.0 |
| Memory Card Slot | N/A |
| OS & UI | HyperOS 3.0, Android 16 |
| Rear Camera Module | Triple |
| Rear Camera Specs | 50MP f/1.88 Light Fusion 800 primary sensor, OIS + 8MP f/2.2 ultra-wide angle sensor + 50MP f/2.2 telephoto sensor, OIS, 2.5x optical zoom |
| Front Camera Module | Single |
| Front Camera Specs | 20MP sensor |
| Battery Capacity (mAh) | 7100 |
| Fast Charging | |
| Charging Speed | 100W |
| Wireless Charging | |
| Reverse Charging |
| Supported Networks | 5G |
| SIM Slots | Dual (nano) |
| Bluetooth | v5.4 |
| Wi-Fi | Wi-Fi 7 |
| USB Port | USB Type-C |
| NFC Chip | |
| Supported GPS | AGPS, GLONASS |
| 3.5 mm Audio Jack | |
| Set of Speakers | Stereo |
| Face Unlock | |
| Fingerprint Reader | In-display (Ultrasonic) |
| IR Blaster | |
| Sensors | Accelerometer, Ambient Light, E-Compass, Fingerprint, Proximity, Vibration |
| IP Rating | IP68 |