Xiaomi Redmi K90 Ultra



- Status: Available
- OS: Android 16, HyperOS 3
- Display: 6.83" 1280x2772 pixels
- Camera: 50MP 4320p
- RAM: 12/16GB RAM Snapdragon 8 Elite
- Battery: 8550mAh 100W
The Xiaomi Redmi K90 Ultra is a top-tier flagship smartphone built for extreme performance, advanced gaming, and premium multimedia. The company announced and released it on June 30, 2026, so users can already buy and experience this powerful device.
Design and Build
The Xiaomi Redmi K90 Ultra features a bold and premium design with a glass front and aluminum frame. It measures 162.9 × 77.9 × 8.2 mm and weighs 227 grams, which gives it a solid and durable feel.
Moreover, it supports dual Nano-SIM functionality. It also comes with IP68/IP69 certification, so it resists dust, water immersion, and even high-pressure water jets. In addition, the built-in cooling fan improves heat management, especially during gaming sessions.
Display
The device offers a massive 6.83-inch AMOLED display with a 165Hz refresh rate. As a result, users experience ultra-smooth animations and highly responsive touch performance.
It supports Dolby Vision, HDR10+, and HDR Vivid, which significantly enhance visual quality. Furthermore, the display reaches up to 9500 nits peak brightness in specific scenarios, making it extremely bright. With a resolution of 1280 × 2772 pixels and ~447 PPI density, the screen delivers sharp and vibrant visuals.
Performance and Software
The Xiaomi Redmi K90 Ultra runs on Android 16 with HyperOS 3. It uses the cutting-edge Snapdragon 8 Elite chipset built on a 3nm process.
Additionally, the powerful octa-core CPU combined with the Adreno 830 GPU ensures exceptional speed and efficiency. Therefore, users can enjoy high-end gaming, heavy multitasking, and demanding applications without lag.
The phone comes with multiple configurations:
- 256GB with 12GB RAM
- 256GB with 16GB RAM
- 512GB with 12GB RAM
- 512GB with 16GB RAM
It uses UFS 4.1 storage for faster data access. However, it does not support expandable storage.
Camera
The Xiaomi Redmi K90 Ultra includes a dual-camera setup. It features a 50MP main sensor with OIS and an 8MP ultrawide camera.
As a result, users can capture sharp and detailed images in various conditions. The camera supports HDR, panorama, and a color spectrum sensor for better color accuracy.
For video, it supports up to 8K recording at 30fps. In addition, it offers multiple frame rate options, including slow-motion modes for creative shooting.
On the front, the device includes a 20MP selfie camera, which handles video calls and social media content effectively.
Sound and Connectivity
The device delivers a premium audio experience with stereo speakers tuned by Bose. Moreover, it features a 2.1 stereo system with a dedicated woofer, which enhances bass performance.
It supports Hi-Res and Hi-Res wireless audio. However, it does not include a 3.5mm headphone jack.
In terms of connectivity, it includes Wi-Fi 6/7, Bluetooth 5.4, and advanced positioning systems such as GPS, GALILEO, GLONASS, and NavIC. Additionally, it supports NFC and an infrared port for added versatility.
Features and Sensors
The Xiaomi Redmi K90 Ultra includes an under-display optical fingerprint sensor for secure unlocking. Furthermore, it offers essential sensors like an accelerometer, gyro, proximity sensor, and compass.
Battery
The smartphone packs a massive 8550 mAh battery. Therefore, it easily supports extended gaming and heavy usage.
It supports 100W wired fast charging along with PPS and PD3.0. As a result, users can recharge the device quickly. In addition, it also supports 22.5W reverse wired charging.
Final Thoughts
Overall, the Xiaomi Redmi K90 Ultra stands out as a powerhouse smartphone with cutting-edge performance, a stunning display, and a massive battery.
Specifications
Prices
| European Euro | € 390 |
Launch
| Announced | 2026, June 30 |
| Status | Available. Released 2026, June 30 |
Network
| Technology | GSM / HSPA / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G bands | 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G |
Body
| Dimensions | 162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in) |
| Weight | 227 g (8.01 oz) |
| Build | Glass front, aluminum frame |
| SIM |
Nano-SIM + Nano-SIM IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Built-in cooling fan |
Display
| Type | AMOLED, 68B colors, PWM, 165Hz, Dolby Vision, HDR Vivid, HDR10+, 9500 nits (peak)* |
| Size | 6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio) |
| Resolution |
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) * Measured at an isolated spot during video playback only |
Platform
| OS | Android 16, HyperOS 3 |
| Chipset | Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) |
| CPU | Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) |
| GPU | Adreno 830 (1200 MHz) |
Memory
| Card slot | No |
| Internal |
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM UFS 4.1 |
Main Camera
| Dual |
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 |
| Features | Color spectrum sensor, LED flash, HDR, panorama |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ |
Selfie Camera
| Single | 20 MP (wide) |
| Video | 1080p@30/60fps |
Sound
| Loudspeaker | Yes, with stereo speakers (with Dolby Atmos) |
| 3.5mm jack |
No Tuned by Bose Bose 2.1 stereo sound system with a woofer 24-bit/192kHz Hi-Res & Hi-Res wireless audio |
Comms
| 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 | Yes |
| Infrared port | Yes |
| Radio | No |
| USB | USB Type-C, OTG |
Features
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass |
Battery
| Type | Si/C Li-Ion 8550 mAh |
| Charging |
100W wired, 100W PPS, PD3.0 22.5W reverse wired |
Others
| Colors | Black, Blue, Silver |
| Models | 2604FRK1EC |
Disclaimer:
The price and specs shown may be different from actual. Please confirm on the retailer website before purchasing.