Xiaomi 15 Ultra: Redefining Flagship Smartphones with Cutting-Edge Innovation

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​Introduction

Xiaomi has once again redefined the smartphone landscape with the introduction of its latest flagship, the Xiaomi 15 Ultra. Unveiled at the Mobile World Congress (MWC) 2025 in Barcelona, this device showcases a harmonious blend of cutting-edge technology and innovative design, solidifying Xiaomi's position at the forefront of mobile innovation.​

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Design and Display

The Xiaomi 15 Ultra boasts a sleek and modern aesthetic, featuring a 6.73-inch LTPO AMOLED display with a resolution of 1440 x 3200 pixels. This high-resolution screen ensures sharp visuals and vibrant colors, enhancing the overall viewing experience. The display supports a dynamic refresh rate ranging from 1Hz to 120Hz, adapting seamlessly to different content types to optimize both performance and battery life. Crafted with premium materials, the device measures 161.3 x 75.3 x 9.4 mm and weighs approximately 226 grams, offering a substantial yet comfortable feel in hand. The inclusion of Xiaomi Shield Glass 2.0 provides enhanced durability, protecting the device against everyday wear and tear. ​

The Xiaomi 15 Ultra boasts a sleek and modern aesthetic, featuring a 6.73-inch LTPO AMOLED display with a resolution of 1440 x 3200 pixels.

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Performance and Hardware

Under the hood, the Xiaomi 15 Ultra is powered by the Qualcomm Snapdragon 8 Elite chipset, built on a 3nm process. This octa-core processor, coupled with up to 16GB of LPDDR5X RAM, delivers exceptional performance, handling multitasking and demanding applications with ease. Storage options range from 256GB to 1TB of UFS 4.1 storage, providing ample space for apps, media, and files. ​‍To maintain optimal performance during extended usage, Xiaomi has incorporated a dual-channel vapor-liquid separation cooling system. This advanced thermal management ensures that the device remains cool, even under heavy workloads, thereby prolonging its lifespan and enhancing user experience.

Under the hood, the Xiaomi 15 Ultra is powered by the Qualcomm Snapdragon 8 Elite chipset, built on a 3nm process.

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Camera System

One of the standout features of the Xiaomi 15 Ultra is its Leica-tuned quad-camera system, designed to cater to photography enthusiasts and professionals alike. The primary camera features a 50MP sensor with a 1-inch size, offering a 14EV dynamic range and Optical Image Stabilization (OIS) for sharp and detailed images. The ultra-wide camera, also at 50MP, provides a 115° field of view and supports 5cm macro shots, making it versatile for various shooting scenarios. The telephoto capabilities are equally impressive, with a 50MP telephoto lens offering 3x optical zoom and a 200MP periscope telephoto lens providing 4.3x optical zoom. These lenses enable users to capture distant subjects with remarkable clarity and detail. For video recording, the device supports ACES LOG cinematic video mode, delivering cinema-grade color accuracy and unlimited 8K recording. The UIS stabilization system ensures steady footage with horizon-level correction, enabling smooth and professional video capture.

One of the standout features of the Xiaomi 15 Ultra is its Leica-tuned quad-camera system, designed to cater to photography enthusiasts and professionals alike.

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Battery and Charging

Equipped with a 6,000mAh battery, the Xiaomi 15 Ultra ensures extended usage without frequent recharging. The device supports 90W wired fast charging and 80W wireless charging, allowing users to quickly replenish the battery. Additionally, reverse wireless charging is available, enabling the device to serve as a power source for other gadgets, such as earbuds or wearables. ​

Equipped with a 6,000mAh battery, the Xiaomi 15 Ultra ensures extended usage without frequent recharging.

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Software and Features

The Xiaomi 15 Ultra runs on HyperOS 2.0, Xiaomi's proprietary operating system based on Android 15. This OS is designed to optimize power consumption and introduce new AI-driven features, including AI Portrait Dynamic Wallpapers and seamless Apple ecosystem support. The device enables LAN-based file sharing between Apple and Xiaomi devices, making cross-platform connectivity more efficient. ​‍A notable innovation is the device's support for direct satellite data communication. This feature enables off-grid calls via Starlink and TianTong satellites with a 7km two-way range, ensuring connectivity even in remote areas without traditional network coverage.

The Xiaomi 15 Ultra runs on HyperOS 2.0, Xiaomi's proprietary operating system based on Android 15.

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Pricing and Availability

The Xiaomi 15 Ultra is available in Classic Black, Silver, Pine Green, and White color options. In China, pricing starts at 6,499 yuan (approximately $893) for the 12GB RAM and 256GB storage variant. The 16GB RAM and 512GB storage model is priced at 6,999 yuan (approximately $961), while the 16GB RAM and 1TB storage version costs 7,799 yuan (approximately $1,071). A dual-satellite version of the 16GB + 1TB model is also available for 7,999 yuan (approximately $1,099). The global launch took place on March 2, with availability in select markets. In the UK and Europe, the Xiaomi 15 Ultra is priced from £1,299 / €1,599, with sales commencing on the same day. However, availability in regions such as the US and Australia is limited, primarily due to Xiaomi's market presence in these areas.