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    Redmi K90 Ultra

    Marvin BarrozoBy No Comments2 Mins Read
    Front and back view of the Redmi K90 Ultra smartphone against a solid black background. The front features a flat edge to edge display with centered punch hole camera and vivid blue abstract wallpaper. The silver back panel shows the REDMI logo near the bottom, a vertical dual camera module at the top left, and a circular decorative pattern next to the lenses. The device has sharp angular sides and a sleek modern finish.
    Redmi K90 Ultra

    The Redmi K90 Ultra features a 6.83″ OLED display 165Hz refresh rate, and is powered by the Snapdragon 8 Elite Gen 5. It runs on ByperOS 3 based on Android 16 with up to 4 years of major OS upgrades and 6 years security patches. For imaging, it has a 50MP OIS main camera, 8MP ultrawide, and 20MP selfie shooter. It is backed by a massive 8,550mAh battery and paired with 100W wired fast charging and 22.5W reverse charging.

    Price at Launch and Availability

    Below are the phone’s launch prices, with conversions to other currencies. (Note: Pricing varies by region and over time.)

    Price

    12GB/256GBCNY 2,999  (~₱27,299, ~Rs 42,800, ~$440)
    16GB/256GBCNY 3,199 (~₱29,000, ~Rs 45,650,  ~$470)
    12GB/512GBCNY 3,499 (~₱31,799, ~Rs 49,950, ~$`515)
    16GB/512GBCNY 3,699 (₱33,599, ~Rs 52,800, ~$545)

    Technical Specifications

    Below are the official full specifications of the phone:

    Launch

    Launch DateJune 30, 2026

    Network

    2GGSM 850 / 900 / 1800 / 1900
    3GGSM 850 / 900 / 1800 / 1900
    4G1, 3, 5, 7, 8, 20, 28, 38, 40, 41
    5GSA/NSA 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78
    Speed2G / 3G / HSPA+ / 4G / LTE / 5G
    SIMDual nano SIM

    Body

    Dimensions162.91 × 77.93 × 8.18mm
    Weight227 grams
    Build MaterialsGlass, Aluminum alloy frame
    ColoursShadow Black, Space Silver, and Sky Blue
    IP RatingIP66/68/69 rating for water and dust resistant

    Display

    Screen TypeOLED panel
    Screen Size6.83
    Screen Resolution1.5K (2772×1280p)
    PPI447 ppi
    Screen Refreshrate165Hz
    Touch Sampling Rate480Hz up to 2,500Hz instant touch sampling rate
    Glass ProtectionXiaomi Shield Glass
    Brightness3,500 nits peak brightness

    Platform

    ChipsetQualcomm Snapdragon 8 Elite Gen 5
    Q3 gaming chip
    CPU2x 4.61 GHz – Oryon Gen 3 Prime
    6x 3.63 GHz – Oryon Gen 3 Performance
    GPUAdreno 840
    OSHyperOS 3 based on Android 16
    OS Support4 years OS upgrades and 6 years security patches

    Benchmarks

    Antutu v11 score3,233,695 million points average score (based on performance test by nanoreview)

    Memory

    RAM12GB, 16GB (LPDDR5X)
    ROM256GB, 512GB (UFS 4.1)
    SDNot supported

    Back Camera

    Main camera50MP f/1.8 OIS
    Ultrawide8MP f/2.2
    TelephotoNot supported
    LED flashYes
    Video4K at 60/30fps, 1080p at 60/30fps

    Front Camera

    Single20MP f/2.0
    LED FlashYes
    Video4K at 30 fps
    1080p at 60/30 fps

    Battery

    Type8,550mAh silicon-carbon battery
    Charging100W fast charging
    22.5W reverse charging

    Sensors

    FingerprintUltraSonic fingerprint scanner
    Face unlocksupported
    Ambientsupported
    Lightsupported
    Gravitysupported
    Gyroscopesupported
    Proximitysupported

    Connectivity

    WLANWIFI 7, WIFI 6, WIFI 5, 2.4GHz and 5GHz, 802.11 a/b/g/n/ac/ax
    BluetoothBluetooth 5.4
    NFCYes supported
    GPSL1 | GLONASS: G1 | BDS: B1I+B1C | Galileo E1
    USBUSB Type-C, USB 2.0, OTG, USB 3.2 Gen 1
    IR BlasterYes supported
    Audio JackUSB-C ear jack

    MISC

    Phone Model2604FRK1EC
    Speaker/AudioDual speaker tuned by Bose
    Cooling SystemBuilt-in active cooling fan: 6,000mm² 3D Ice Air circulation cooling pump
    Haptic MotorX-axis linear haptic motor
    Redmi official storea small icon png of lazada online market Lazada
    An icon png of shopee online market Shopee
    Others: Aliexpress

    Affiliate Disclosure: Some of the links in this table are affiliate links. If you make a purchase through them, we may earn a small commission at no extra cost to you. This helps support the site so we can keep bringing you specs and reviews.
    NewsRedmi K90 Ultra Launched in China
    Related phonesRedmi K90 Max
    Redmi K90 Pro Max

    Pros

    • Top tier performance and smooth display: It uses Snapdragon 8 Elite or Dimensity 9500 paired with fast LPDDR5X RAM and UFS 4.1 storage. The 6.83 inch 1.5K AMOLED panel runs at 165Hz refresh rate with high peak brightness and Dolby Vision support. This setup handles heavy games and multitasking with ease.
    • Large battery with fast charging:
      You get a huge 6000mAh or higher capacity battery plus 90W wired charging. This combination means long gaming sessions or heavy use last well over a full day while topping up takes roughly 40 minutes from empty.
    • Solid core features at a fair price:
      The main 50MP camera comes with optical image stabilization for steadier shots. It also has IP66/68/69 water and dust resistance, premium glass and metal build, and under display fingerprint sensor that many rivals cut to save cost.

    Cons

    • Limited camera versatility:
      Only the main sensor is high quality. The ultra wide lens is basic and there is no dedicated telephoto zoom. You will not get sharp close ups or clear wide shots compared to more expensive models.
    • No wireless charging or expandable storage:
      It supports only wired charging and has no microSD slot. If you need extra space or prefer charging without cables you will have to plan ahead.

    Note: Pros and cons are based on specification analysis, not hands‑on review.

    Disclaimer: 

    The information provided in this specification table is sourced from the brand’s press release, reputable news outlets, and reliable tipsters. However, we acknowledge that errors may occur despite our best efforts. If you notice any inaccuracies or have concerns about the specifications, please feel free to contact us. We appreciate your feedback and strive to maintain the highest standards of accuracy and integrity.

    If you found this spec sheet helpful, consider supporting our work.

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    Hi, I'm marvin and I'm a guitar enthusiast and a tech lover. I enjoy playing music, watching movies, and exploring new technologies in my spare time. I'm an introvert who likes being alone and expressing myself through my creative hobbies. I work as a self-employed person and I’m passionate about writing.