Xiaomi Unveils 3nm Chip Family to Challenge Qualcomm, MediaTek and Nvidia in Smartphones and EVs

Xiaomi Launches Dual 3nm Chip Strategy

Xiaomi has unveiled two flagship processors built on a 3nm process, marking the company's most ambitious push into custom silicon design. The Xring O3 targets high-end smartphones while the Xring D100 focuses on intelligent driving for electric vehicles. Both chips are manufactured by TSMC and represent Xiaomi's $3.1bn investment to reduce reliance on external suppliers like Qualcomm, MediaTek and Nvidia1

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. The company now employs nearly 3,000 people in its chip division2

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Xring O3 Challenges Qualcomm and MediaTek in Smartphones

The Xring O3 flagship mobile processor achieved an AnTuTu score of 5.22 million, becoming the first mobile chip to exceed 5 million on the benchmark1

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. The 10-core CPU delivered a multi-core score above 15,000, representing a 60% improvement over Xiaomi's previous chip1

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. The processor includes Xiaomi's G2-Ultra NX graphics unit, which improves performance by 85% while reducing power consumption by 64%1

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. The Xring O3 also supports LPDDR6 memory with bandwidth of 113.8 GB/s, 48% higher than the Xring O11

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AI Chip Capabilities Drive Performance Gains

The neural processing unit delivers 200 TOPS of tensor computing and 3.13 TFLOPS of vector computing, resulting in a 45% increase in edge AI performance1

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. Xiaomi distributed AI processing across multiple components, adding two SME2 acceleration units to the CPU and eight NX neural-network accelerators to the GPU1

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. The company integrated AI processing into the image signal processor, display processor and audio digital signal processor to support features including image enhancement, frame interpolation and noise reduction in low-light video1

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. The unified fusion-bus architecture reduces static latency to 82 nanoseconds1

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D100 Replaces Nvidia in Xiaomi's Electric Vehicles

The Xring D100 intelligent driving chip will replace Nvidia Drive hardware in Xiaomi cars from 20272

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. The processor features a 20-core CPU and 16-core neural processing unit on a 3nm process, supporting up to 160GB of unified memory2

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. Xiaomi says this capacity is sufficient to run a 200-billion-parameter model directly on the vehicle2

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. The company claims the D100 is China's first high-computing-power intelligent-driving chip based on a 3nm process3

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. However, Xiaomi has not disclosed the chip's TOPS performance, with estimates placing it between 700 and 1,000 TOPS3

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Vertical Integration Strategy Reduces Supplier Dependency

Xiaomi's custom chip development gives the company greater control over its product roadmap and could strengthen its negotiating position with outside vendors1

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. The Xiaomi custom chip strategy enables closer integration between hardware and software, allowing the company to optimize the D100 around data flows, memory requirements and large AI models used by its intelligent-driving system3

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. Controlling the chip, domain controller and underlying software stack could help reduce component costs as production volumes increase3

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. Bloomberg Intelligence analysts Steven Tseng and Rebecca Wang noted that Xiaomi is likely to produce the Xring O3 in limited volumes, leaving the company dependent on Qualcomm and MediaTek for much of its smartphone lineup1

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Chinese Automakers Accelerate In-House Silicon Development

Xiaomi joins BYD, Nio, Li Auto and Xpeng in developing proprietary processors for advanced driver-assistance systems3

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. BYD introduced its 4nm Xuanji A3 intelligent-driving chip earlier this year, while Xpeng deployed four in-house Turing chips in its GX robotaxi platform, delivering a claimed 3,000 TOPS of onboard computing power3

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. The trend reflects geopolitical concerns about AI chip exports and the desire for vertical integration in EV tech4

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. Rivian recently announced a custom chip for advanced driving features debuting in the R2, while Tesla has designed its own chips to run Full Self-Driving for years4

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Manufacturing Challenges and Market Implications

TSMC's production of the Xring O3 gives Xiaomi access to one of the world's most advanced contract chipmakers1

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. Bloomberg Intelligence analysts noted that the Xring O3 stays at 3nm even as leading rivals move to 2nm, indicating Xiaomi is placing more weight on architecture and feature upgrades to drive gains1

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. Europe's flagship ESMC plant in Dresden will run 28nm and 22nm planar CMOS alongside 16nm and 12nm FinFET, several generations away from the 3nm process used for Xiaomi's chips2

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. The D100 has completed validation, but Xiaomi has not identified the first production vehicle that will use it3

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. The chip must prove reliable across automotive operating conditions and integrate deeply with sensors, software and safety systems before reaching customers3

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. Xiaomi's EV division lost 2.6bn yuan last quarter while continuing to invest heavily in silicon development2

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