Xiaomi 15S Pro Debuts with In-House XRing 01 Chip

• Maybe you missed it? Review of the Xiaomi Poco X7.
• Xiaomi 15S Pro Unveiled: A Closer Look at the New Flagship’s Features and Pricing.

The Xiaomi 15S Pro has been announced alongside a range of exciting new products launched in China, with plans for a global rollout.

[Beijing, China 5/22/2025] – Xiaomi celebrated its 15th anniversary with a groundbreaking new product launch conference, unveiling three remarkable tribute products: the Xiaomi 15S Pro, Xiaomi Tablet 7 Ultra, and the Xiaomi Watch S4 15th Anniversary Edition. Each of these innovative devices is powered by Xiaomi’s own cutting-edge chip, the XRING, showcasing the brand’s commitment to excellence and technological advancement.

At the event, Xiaomi unveiled the new Xiaomi YU7, branded as a “luxury high-performance SUV” that boasts cutting-edge technology, unparalleled luxury, and exceptional space comfort. This is the “advanced SUV” we have meticulously crafted for the elite of the modern era.

Xiaomi YU7 SUV

Introducing exciting new products!

The conference also unveiled a range of innovative new products, including the Xiaomi Civi 5 Pro, Xiaomi TV S Mini LED, and the Mi Air Conditioner Pro, which features a human-sensing upper air outlet and dual air outlets. Additionally, the event showcased the Mi Dual-Zone Washing Machine Pro, equipped with both washing and drying capabilities, the Mi Refrigerator Pro Dual-System French Type, and the Mi Water Purifier Pro, which comes with dual water outlets.

Xiaomi continues to increase investment in R&D

This year marks a significant milestone as we proudly commemorate the 15th anniversary of Xiaomi’s founding. I would like to take this opportunity to extend my sincere gratitude to each and every one of you. Your unwavering support over the past 15 years has been truly invaluable, and I deeply appreciate your role in our journey.

During the event, Lei Jun, the chairman of Xiaomi, emphasized that reflecting on our experiences over the last five years, the key takeaway is Xiaomi’s unwavering commitment to its “technology-driven” principle. Five years ago, we made a bold decision to allocate 100 billion yuan towards core technology research and development. We have remained steadfast in this commitment, ultimately investing approximately 102 billion yuan over the past five years.

Five years ago, in celebration of Xiaomi’s 10th anniversary, the company dedicated six months to ponder a critical question: “Where has Xiaomi come from, and where is it headed?” This introspection led to a comprehensive reorganization of Xiaomi’s strategy and a clear articulation of goals for the next decade. Notably, Xiaomi’s strategic plan reveals an ambitious commitment to invest a remarkable 200 billion yuan in research and development over the next five years.

Xiaomi Mi 15S Pro Launched: What’s New?

Xiaomi newest flagship phone powered by Xuanjie O1 (Xring O1) chipset released.

In October of last year, Xiaomi unveiled their Xiaomi 15 series, which garnered immense popularity among Mi fans. The Xiaomi 15 Pro achieved remarkable success, becoming the best-selling Pro model in Xiaomi’s history, thanks to its great clean design, energy-efficient 2K display, Leica optics, and exceptional communication features.

The 15S Pro is a special commemorative edition that builds on the foundation of the Xiaomi 15 Pro. This model features a unique design and is powered by Xiaomi’s first in-house developed flagship mobile SoC chip. Crafted using cutting-edge “second-generation 3nm process” technology, it boasts a range of enhancements for an unparalleled user experience, bringing users the latest in Xiaomi innovation. The starting price is 5,499 yuan.

Exclusive all-round design for the 15th anniversary.

The 15S Pro is available in two variants. The first is the Xiaomi Dragon Scale Fiber edition, crafted from an advanced composite laminated material known for its exceptional durability. The second variant showcases a stunning Sky Blue finish, constructed from aviation-grade fiberglass that offers a lightweight alternative—6 grams lighter than traditional glass—making it refreshingly comfortable to handle during the summer months.

Xiaomi has unveiled a unique design to celebrate its 15th anniversary for the 15S Pro: the Xiaomi Dragon Scale Fiber Edition. This model features a gold-stamped logo that beautifully complements the gold accent on the power button. The Flash features a unique emblem that symbolizes the innovative XRING chip, developed in-house. Celebratory elements include exclusive boot animations, fresh wallpapers, special edition packaging, custom phone cases, vibrant red lanyards, and commemorative badges, all designed to mark this significant milestone.

Moreover, the company has unveiled a unique design to celebrate the 15th anniversary of the 15S Pro: the Xiaomi Dragon Scale Fiber Edition. This exquisite model features a gold-stamped logo that reflects the gold accents on the power button, while the flash boasts a distinctive emblem representing the XRING self-developed chip. Additionally, it comes with exclusive 15th anniversary boot animations, captivating new wallpapers, special edition packaging, tailored phone cases, vibrant red custom lanyards, and commemorative badges, all of which add a significant touch to this special occasion.

Powered by top-notch hardware.

Xiaomi presents its first 3nm flagship chipset: Xuanjie O1 (Xring O1)

The 15S Pro features the groundbreaking Xuanjie O1, the first flagship processor developed independently by Xiaomi. In the chip’s initial design phase, we established ambitious objectives, aiming to position it among the elite high-end processors. We utilized the latest advanced manufacturing technologies to ensure it delivers top-tier performance and energy efficiency.

Powered by an advanced GPU

The Xuanjie O1 utilizes cutting-edge “second-generation 3nm process” technology, featuring an impressive dual-core 10-core CPU combined with a powerful 16-core GPU. So, what does this translate to in terms of performance? In laboratory tests, it achieved an astounding AnTuTu score exceeding 3 million points, firmly establishing it as a top-tier contender in the market.

Engineered using a cutting-edge 3nm process and packed with an impressive 19 billion transistors.

The scale and process of Xuanjie O1 are the same as Apple’s most advanced A18 Pro processor. Through the most advanced 3nm mass production process, super performance and 19 billion ultra-large-scale transistors are brought together on a chip area of ​​only 109mm², which is equivalent to the size of a fingernail.

Advanced architecture with a 10-core, 4-cluster CPU and dual large cores enhances performance.

The Xuanjie O1 features a cutting-edge CPU built on a 10-core, 4-cluster architecture. It includes two of Arm’s most advanced Cortex-X925 super cores, four high-performance A725 cores, two low-frequency energy-efficient A725 cores, and two ultra-efficient A520 cores. This exceptional configuration strikes an ideal balance between peak performance and daily energy efficiency.

Let’s delve into dual super-cores. These have emerged as a significant trend in flagship mobile phone chip technology, effectively addressing the need for instantaneous performance bursts. The Xuanjie O1 features Arm’s cutting-edge Cortex-X925 super-core processor, boasting a remarkable 36% performance enhancement over its predecessor. With an astonishing peak frequency of 3.9GHz, this performance truly showcases the exceptional capabilities of our chip design team.

The 15S Pro was subjected to an extensive temperature test, yielding excellent results. It achieved a single-core score exceeding 3000 points, though it still trails the industry-leading A18 Pro in this area. In terms of multi-core performance, it surpassed 9500 points, showing a slight edge over the A18 Pro. Overall, this indicates that the CPU performance of the Xuanjie O1 has firmly established itself in the top tier of the market.

The CPU’s energy efficiency is nearing Apple’s peak standards.

A top-tier flagship chip should deliver outstanding performance while ensuring exceptional energy efficiency. As Xiaomi’s inaugural flagship chip, the Xuanjie O1 was designed with a primary focus on minimizing power consumption right from its inception.

The energy efficiency of the Xuanjie O1 is exceptional, rivaling that of the industry’s leader, Apple. With its four high-performance cores, the device delivers game performance and handles demanding tasks with proficiency, comparable to Apple’s offerings. For everyday activities like watching videos or browsing through platforms like Douyin and Weibo, which typically involve medium to low loads, we have meticulously engineered a specialized set of energy-efficient cores. This significantly enhances energy efficiency during daily use, again matching Apple’s standards.

16-core flagship  GPU, first-tier graphics performance

The GPU of the Xuanjie O1 is equipped with Arm’s most advanced and efficient Immortalis-G925 graphics processor to date, utilizing 16 units simultaneously for exceptional performance. In the Manhattan 3.1 test, it achieved an impressive 330 frames, while in the Aztec 1440p test, it scored 110 frames, significantly outperforming the Apple A18 Pro. Remarkably, at this level of performance, the Xuanjie O1 consumes 35% less power than the A18 Pro.

Based on actual scene requirements, the GPU can dynamically switch between four user modes.

The GPU in the Xuanjie O1 dynamically adapts its operating states in real-time, tailored to the specific scene at hand. During intense gaming sessions, all cores operate at peak performance, while lighter loads engage only a subset of cores. After rendering a frame, the GPU seamlessly enters sleep mode, reactivating just in time to render the next frame, achieving microsecond-level state transitions between frames. If left idle for an extended period, the GPU powers down completely. This meticulous scheduling allows for incremental power savings, optimizing efficiency with every operation.

How does this device perform in everyday use? It boasts an impressive 30% faster startup response for commonly used applications compared to the iPhone 16 Pro Max, ensuring a remarkably smooth experience. After two consecutive application launches, startup times improve by an additional 8%. When tested with a popular MOBA mobile game in 120-frame mode over the course of an hour, the frame rate remains consistently stable, exceeding that of the iPhone by 1.5 frames while also keeping temperatures more than 3 degrees lower.

As temperatures soar, Xiaomi conducted a high-temperature environment test and found that at an ambient temperature of 35 degrees, our device achieved a frame rate that surpassed the competition by 6.3 frames while maintaining a temperature over 3 degrees lower.

Advanced cooling system

The Xiaomi Mi 15S Pro features a Wing-shaped Ring Cold Pump Pro that enhances liquid flow through a bionic design inspired by leaf veins, boosting thermal conductivity by an impressive 30%. Whether you’re engaged in a lengthy video call or navigating while charging, the device maintains a cooler temperature than the iPhone, significantly improving your overall experience. I can confidently assert that the performance of the Xuanjie O1 is outstanding, and I encourage everyone to come and test it for themselves.

The Xuanjie O1 is equipped with a cutting-edge fourth-generation flagship ISP image processor.

Performance and imaging are the two defining attributes of flagship smartphones. The 15S Pro features an impressive trio of 50-megapixel cameras, each boasting the renowned Leica optical full-focal-length high-speed lens that is a hallmark of the Xiaomi 15 Pro.

Simultaneously, the Xuanjie O1 features Xiaomi’s fourth-generation flagship ISP image processor, delivering a significant enhancement in the user experience for the 15S Pro.

High-speed, high-quality ISP makes night videos clearer and more transparent.

This cutting-edge imaging experience stands out as a flagship solution, delivering exceptional speed and superior image quality. It boasts an impressive processing capability of up to 8.7 billion pixels per second, all while incorporating a dedicated independent 3A acceleration unit. Notably, vital performance metrics such as autofocus, auto exposure, and auto white balance can see enhancements of up to 100%.

Xiaomi has significantly upgraded its Image Signal Processor (ISP) by integrating cutting-edge real-time multi-frame HDR fusion and AI-powered noise reduction. This enhancement greatly elevates the dynamic range of videos while effectively reducing instances of “ghosting.” This improvement is particularly advantageous for nighttime recordings, as each frame benefits from sophisticated AI-driven noise reduction. In extremely low-light conditions, the signal-to-noise ratio can increase by up to 20 times, producing exceptionally clear night scenes. Furthermore, we offer full-focus 4K night scene video support.

Support UWB technology: accurate positioning, anti-interference, safer.

Xiaomi Star Communication has announced that the 15S Pro now features advanced UWB (ultra-wideband) interconnection technology, utilizing nanosecond pulse signals for precise positioning and rapid communication over short distances. This technology stands out for its incredible accuracy, resistance to interference, and enhanced security. Our successful partnership with Shenzhen Yunba Line 1 has enabled the implementation of contactless payment systems, allowing users to navigate stations with ease. Let’s take a moment to watch the video together.

*To activate this feature, please ensure your Shenzhen Tong Interconnection Card is set up in your mobile wallet and that the contactless passage function is enabled. This system seamlessly integrates with Shenzhen Yunba Line 1. For a seamless travel experience, we recommend keeping a distance of over 50CM from other users while utilizing the contactless passage feature. Should you experience any difficulties, don’t hesitate to contact the staff for assistance.

Seamless integration of Xiaomi vehicles with mobile devices.

The Xiaomi YU7 is equipped with advanced UWB technology, incorporating multiple antennas within the vehicle to facilitate precise triangulation with your mobile phone, delivering centimeter-level positioning accuracy. As you approach the car with the 15S Pro, it automatically activates the lights and unlocks the doors to greet you. Moreover, when you walk up to the front and rear trunks while carrying heavy items, they will automatically open within three seconds of your arrival. When you leave the car, the trunks will securely lock themselves, enhancing convenience. To enable hand-car interconnection, both the 15S Pro and Xiaomi YU7 must be logged into the same Xiaomi account with this feature activated simultaneously.

Xiaomi 15S Pro Price in China

The Xiaomi 15S Pro is available in two impressive configurations: the 16GB+512GB variant priced at 5,499 yuan and the 16GB+1TB variant priced at 5,999 yuan. This device is eligible for national subsidies, making it an even more enticing option. If you make your purchase now, you’ll also benefit from an exclusive offer valued at 1,366 yuan, which includes screen breakage insurance, battery cover insurance, battery insurance, and a one-year replacement warranty without the need for repairs.

Xiaomi 15S Pro Global Release Anticipated.

We are approaching the release of new information that may be of interest. Once we gather these updates and significant insights, we will update this article accordingly. Thank you for your patience and interest. We will provide updates as they become available.