Xiaomi Redmi K90 Ultra

The Xiaomi Redmi K90 Ultra establishes an extraordinary benchmark for esports gaming smartphones, uniting Qualcomm's flagship 3nm Snapdragon 8 Elite processor with an innovative built-in active cooling fan, a record-breaking 6.83-inch 165Hz 1.5K AMOLED flat display reaching an astonishing 9000 nits peak brightness, an enormous 8550 mAh silicon-carbon marathon battery, and extreme dual IP68/IP69 ingress protection into an aerospace-grade aluminum chassis, available via unofficial import channels in Bangladesh. It features an expansive 6.83-inch 1.5K (1280 x 2772 pixels) AMOLED flat panel delivering 447 ppi pixel density, an ultra-fast 165Hz refresh rate, 480Hz touch sampling rate (2560Hz instantaneous), 12-bit color depth (68.7 billion colors), Dolby Vision, HDR10+, an unbelievable 9000 nits peak brightness, 3840Hz ultra-high-frequency PWM dimming, symmetrical ultra-narrow bezels (90.3% screen-to-body ratio), triple TÜV Rheinland eye comfort certifications, Wet Touch 2.0 technology, and scratch-resistant Corning Gorilla Glass protection. Under the hood, it is powered by the TSMC 3nm Qualcomm SM8750-AB Snapdragon 8 Elite octa-core processor clocked up to 4.32GHz with dual Oryon V2 prime cores and Adreno 830 GPU (1200 MHz), coupled with 16GB of blazingly fast LPDDR5X RAM (8533Mbps) and 256GB of ultra-speed UFS 4.1 onboard storage, kept continuously chilled by an internal active micro-fan and 5500mm² annular 3D IceLoop circulating vapor chamber cooling system. For photography, it is led by a 50MP Light Hunter (1/1.31") primary wide sensor featuring an f/1.68 aperture, Dual Pixel PDAF, hardware Optical Image Stabilization (OIS), and 8K video recording at 30fps alongside 4K 60fps, accompanied by an 8MP 119° ultra-wide lens, paired with a 20MP front-facing punch-hole selfie camera. Driven by an enduring 8550 mAh high-density silicon-carbon battery supported by 100W HyperCharge wired fast charging via USB Type-C (100% in ~38 mins) alongside 22.5W high-speed reverse wired charging to power external devices and accessories, an optical under-display fingerprint scanner, dual stereo speakers tuned with Dolby Atmos and Hi-Res Audio, Wi-Fi 7, Bluetooth 5.4, NFC, an infrared blaster, dual certified IP68 and IP69 dust, water immersion, and high-pressure steam jet resistance, and running out of the box on Xiaomi HyperOS 3 based on Android 16, the Xiaomi Redmi K90 Ultra delivers sustained peak gaming frame rates, cinema-class esports screen fluency, and marathon battery autonomy in an executive 227g gaming chassis.