That's how Xiaomi made their device Redmi K90 Ultra

Xiaomi was announced model Redmi K90 Ultra on 2026 June

Faster and smarter?

This model is powered CPU Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M), having chipset Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm), GPU on Redmi K90 Ultra is Adreno 830 (1200 MHz).

Storage on this device is 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, no microSD supported, operating system is Android 16, HyperOS 3.

Body specifications

Xiaomi Redmi K90 Ultra has 77.9mm width, 162.9mm height and 8.2mm thick.

You may have this version in black, blue and lastly silver.

Redmi K90 Ultra display maiden using tehnology AMOLED, 68B colors, PWM, 165Hz, Dolby Vision, HDR Vivid, HDR10+, 9500 nits (peak)*, at a moment Redmi K90 Ultra had screen larger size than 73% of devices in mobile market, more detailed 6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio) display having resolution 1280 x 2772 pixels having ratio 19.5:9, having density 447 ppi. Few more info about screen

• * Measured at an isolated spot during video playback only

More info about Redmi K90 Ultra

Charging options are 100W wired, 100W PPS, PD3.0 22.5W reverse wired.

Another important things on smartphone are sensors, on this model installed Fingerprint (under display, optical), accelerometer, proximity, gyro, compass.

Camera

two lenses set on this model 50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm. And another additional charateristics are Color spectrum sensor, LED flash, HDR, panorama. Video recording on main camera of the Redmi K90 Ultra is available with 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ variants. This is quite good for instance one of available devices at the moment, Xiaomi Watch S5,

Video recording on selfie camera of Xiaomi Redmi K90 Ultra is available with 1080p@30/60fps modes.

I/O variants

This model has bands 2G, 3G and 1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66. Speed is HSPA, LTE, 5G, GSM / HSPA / LTE / 5G.

Ports on Xiaomi Redmi K90 Ultra are USB USB Type-C, OTG, WLAN Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct, Bluetooth 5.4, A2DP, LE, LHDC 5.0, ASHA, Auracast, Positioning GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS, NFC, Infrared port.