Xiaomi 15S Pro, the self-developed flagship chip launched to celebrate its 15th anniversary
On May 22, 2025, Xiaomi celebrated its 15th anniversary with a significant milestone: the launch of the Xiaomi 15S Pro. This flagship smartphone introduces Xiaomi's first in-house developed 3nm chipset, the Xring O1, marking a pivotal step in the company's journey toward technological self-reliance.
A Leap in Performance: Xring O1 Chipset
The Xring O1 is a 10-core processor featuring two high-performance Cortex-X925 cores clocked at 3.9GHz and a 16-core Immortalis-G925 GPU. Built on TSMC's second-generation 3nm process, this chipset delivers exceptional performance and power efficiency, achieving an AnTuTu benchmark score exceeding three million.
Advanced Imaging Capabilities
The Xiaomi 15S Pro boasts a triple-camera system co-engineered with Leica, comprising a 200MP main sensor, a 50MP telephoto lens with 2x optical zoom, and a 50MP ultrawide lens. This setup supports 8K video recording at 24fps and 4K at up to 60fps, enhanced by Xiaomi's fourth-generation ISP for superior image processing.
Immersive Display and Design
Featuring a 6.78-inch AMOLED display with a 120Hz refresh rate and peak brightness of 3200 nits, the 15S Pro offers vibrant visuals and smooth scrolling. The screen is protected by Corning Gorilla Glass Victus 2 and supports HDR10+ and Dolby Vision for an immersive viewing experience.
Enhanced Connectivity and Battery Life
The device reintroduces Ultra-Wideband (UWB) technology, enabling precise spatial awareness and seamless integration with Xiaomi's ecosystem, including the SU7 electric vehicle. Equipped with a 6100mAh battery, the 15S Pro supports 90W wired and 50W wireless fast charging, ensuring extended usage with minimal downtime.
Availability
The Xiaomi 15S Pro is available in various finishes, including the "Dragon Scale Fiber Edition" and "Far Sky Blue," with prices starting at ¥5,499. This launch underscores Xiaomi's commitment to innovation and its ambition to compete at the highest levels of the smartphone market.
