Technical sheet of Xiaomi Redmi K90 Ultra
Description
Xiaomi has always been known for pushing the boundaries of what is possible in the smartphone industry, and their latest release, the Xiaomi Redmi K90 Ultra, is no exception. This high-end device is a masterpiece of technology, boasting cutting-edge features and top-of-the-line specifications that are sure to impress even the most discerning tech enthusiasts. With its sleek design, powerful hardware, and impressive camera capabilities, the Xiaomi Redmi K90 Ultra is set to redefine the smartphone experience for users around the world.
Design & Materials
The Xiaomi Redmi K90 Ultra features a stunning AMOLED display that measures 6.83 inches, providing users with a vibrant and immersive viewing experience. The screen boasts a resolution of 1280x2772 (QHD), ensuring crystal-clear visuals that are sharp and detailed. With a refresh rate of 165 Hz, users can enjoy smooth and fluid animations, making scrolling and gaming a delight. The peak brightness of 3500 cd/m² and contrast ratio of 8000000:1 ensure that colors pop and blacks are deep and rich, while HDR10+ support guarantees a dynamic range that is second to none.
In terms of audio, the Xiaomi Redmi K90 Ultra doesn't disappoint, featuring stereo speakers that deliver clear and powerful sound. Whether you're watching movies, playing games, or listening to music, the audio quality on this device is sure to impress. The use of aluminium as the primary material for the phone's construction not only gives it a premium look and feel but also provides durability and strength. With a usable surface of 90%, the Xiaomi Redmi K90 Ultra offers a comfortable grip and a sleek profile that is easy to handle.
Hardware
Under the hood, the Xiaomi Redmi K90 Ultra is powered by the Qualcomm Snapdragon 8 Gen 5 processor, built on a cutting-edge 3nm architecture. This powerful chipset ensures smooth performance, lightning-fast speeds, and efficient multitasking capabilities. With up to 16GB of RAM (LPDDR5X) and up to 512GB of storage (UFS Storage 4.1), users can expect seamless operation and ample space for all their apps, games, photos, and videos. In fact, the Xiaomi Redmi K90 Ultra scored an impressive 3081184 on the AnTuTu benchmark, showcasing its raw processing power and performance.
Security is also a top priority on the Xiaomi Redmi K90 Ultra, with a fingerprint display ensuring that only authorized users can access the device. Additionally, the phone is equipped with a cooling system that helps dissipate heat during intense usage, ensuring that the device remains cool and performs optimally even under heavy loads.
Camera
The Xiaomi Redmi K90 Ultra comes equipped with a dual-camera setup that includes a 50.0MP Sony LYT-800 standard lens with an aperture of f/1.69, as well as an 8.0MP wide-angle lens with an aperture of f/2.2. These cameras work in tandem to capture stunning photos with incredible detail, clarity, and color accuracy. The phone also features a 16.0MP selfie camera, allowing users to take high-quality self-portraits and video calls with ease. With optical stabilization (OIS), 4K video recording, and even 8K video capabilities, the Xiaomi Redmi K90 Ultra offers a versatile and powerful camera system that is sure to impress photography enthusiasts.
Connectivity
When it comes to connectivity, the Xiaomi Redmi K90 Ultra leaves no stone unturned, offering Bluetooth 5.4, dual SIM support, NFC, WiFi 6 (802.11ax), GPS (L1+L5), and even an infrared port. Whether you need to connect to other devices, transfer files wirelessly, navigate using GPS, or control other electronic appliances, the Xiaomi Redmi K90 Ultra has you covered.
Battery
Last but certainly not least, the Xiaomi Redmi K90 Ultra is equipped with a massive 8550mAh battery that provides exceptional battery life, ensuring that users can go all day without needing to recharge. And when it is time to recharge, the phone supports fast charging up to 100.0W, allowing users to quickly top up their battery and get back to using their device. Additionally, the Xiaomi Redmi K90 Ultra supports reverse charging, meaning you can use your phone to charge other devices on the go.
Overall, the Xiaomi Redmi K90 Ultra is a true powerhouse of a smartphone that offers top-of-the-line features and specifications at a competitive price point. With its stunning design, powerful hardware, impressive camera capabilities, and long-lasting battery life, the Xiaomi Redmi K90 Ultra is sure to appeal to users who demand the very best from their smartphones. Whether you're a tech enthusiast, a photography buff, or just someone who appreciates a high-quality device, the Xiaomi Redmi K90 Ultra is a smartphone that is well worth considering.
Brand
| Brand | Xiaomi |
|---|---|
| Aliases | M332BF |
| Best Sellers |
Xiaomi Redmi K90 Ultra prices
Release Date
| Release date | June 2026, 1 month ago |
|---|---|
| Launch price | CN¥ 2,999.00 ($ 444.86) |
Related
Design & Materials of Xiaomi Redmi K90 Ultra
Image gallery
| Image gallery |
|---|
Structure
| Size | 77.9 mm•162.9 mm•8.2 mm Print 3D ModelSee more details |
|---|---|
| Weight | 227 g |
| Usable surface | 90 % |
| Materials | Aluminium |
| Resistance certificates (dust, water) | IP68, IP69 , IP66 |
| Colors | Blue Silver |
Screen
| Diagonal |
6.83"
See more details |
|---|---|
| Type |
AMOLED
Samsung |
| Aspect Ratio | 19.5:9 |
| Resolution | 1280 x 2772 px • QHD |
| Density | 447 ppi • Very high density |
| Others |
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Performance & Hardware of Xiaomi Redmi K90 Ultra
Processor
| Model | Qualcomm Snapdragon 8 Gen 5 |
|---|---|
| CPU | 2x 3.8 GHz + 6x 3.32 GHz |
| Type | Octa-Core |
| Nanometer | 3 nm |
| Frequency | 3.8 GHz |
| 64 Bits | Yes |
Graphics
| GPU | Adreno 829 |
|---|
RAM
| RAM | 12 GB |
|---|---|
| Type | RAM LPDDR5X |
Antutu
| Score |
3.081.184
• Antutu v11
Overall performance better than 97% of devices
See more details |
|---|
Storage
| Capacity | 256 GB |
|---|---|
| Type | UFS Storage 4.1 |
| SD Slot | No |
Security
| Fingerprint | Yes, in screen |
|---|
Sensors
| Fingerprint | Yes |
|---|---|
| Proximity | Yes |
| Light sensor | Yes |
| Accelerometer | Yes |
| Compass | Yes |
| Gyroscope | Yes |
| Hall | Yes |
| RGB | Yes |
| Vibration Motor | Yes |
| Audio |
|
|---|
| Notifications LED | -- |
|---|---|
| Cooling system | Yes |
| Gaming buttons | No |
Camera of Xiaomi Redmi K90 Ultra
Double rear camera
Standard
| 1 |
|---|---|
| Resolution | 50 Mpx |
| Aperture | ƒ/ 1.69 |
| Sensor | Sony LYT-800 |
| Type | CMOS |
| Sensor size | 1/1.43" |
| Pixel size | 1.13 µm |
| Pixel Binning | 1-4 (2x2) |
- 2
- Resolution
- 8 Mpx
- Aperture
- ƒ/ 2.2
- Sensor
- --
- Type
- CMOS BSI
- Pixel size
- --
| Flash | LED |
|---|---|
| Optical Stabilisation | Yes |
| Slow Motion Video | Yes, 240 fps |
| Features |
|
Selfie
| Resolution | 16 Mpx |
|---|---|
| Aperture | Unknow |
| Sensor | -- |
| Type | CMOS |
| Pixel size | -- |
Network compatibility
Connectivity of Xiaomi Redmi K90 Ultra
Bands
| 5G | n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n77 (3700), n78 (3500) |
|---|---|
| 4G LTE | B1 (2100), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B19 (800), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100) |
| 3G | B1 (2100), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800) |
| 2G | B3 (1800), B5 (850), B8 (900) |
SIM card
| Type | Dual SIM
Dual Standby (Nano SIM + Nano SIM)
SIM cards (MiniSIM) can be cut to MicroSIM, MicroSIM can be cut to NanoSIM and a SIM can even be cut to a NanoSIM (although not recommended). Download this SIM Cutting Template and forget about having to ask your operator for a new SIM... |
|---|
Wi-Fi
| Standards | 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 7 (802.11be) |
|---|---|
| Others |
|
Bluetooth
| Version | Bluetooth 5.4 LELow energy consumption |
|---|---|
| Profiles |
|
Navigation
| Supports | GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5), Galileo (E1+E5a+E5b) |
|---|
USB
| Charging | Yes |
|---|---|
| Mass Storage | Yes |
| USB On-The-Go (OTG) | Yes |
| USB Type C | Yes |
SAR
| -- | -- |
|---|
Battery of Xiaomi Redmi K90 Ultra
| Capacity | 8550 mAh See more details |
|---|---|
| Type | Si-Carbon Li-Ion |
| Fast charge | Yes , 100.0W |
| Others |
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| Extra |
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Software of Xiaomi Redmi K90 Ultra
Software
| Operating System |
Android 16
HyperOS 3.X (Android 16) |
|---|---|
| Google Services | Without Google Mobile services |











