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BYD Launches China’s First 4nm Autonomous Driving Chip for EVs

BYD has unveiled China’s first automotive-grade 4nm autonomous driving chip, aiming to boost advanced self-driving capabilities and strengthen its position in the fast-evolving electric vehicle and intelligent mobility market.

Written By : Somatirtha
Reviewed By : Sankha Ghosh

Chinese electric vehicle maker BYD has revealed its latest offering in the form of an automotive 4-nanometer self-driving chip claimed to be the first such product in China, as the company continues to develop its efforts towards becoming self-reliant in terms of developing its vehicle tech ecosystem.

The latest product Xuanji A3 was unveiled at BYD’s Tech Symposium, which took place in Shenzhen on May 28th. According to BYD, “the new product is already in mass production and is specifically designed for use in cars requiring Level 3 and Level 4 autonomy.”

BYD Invests Heavily in In-House Technologies

The launch of the new product comes against the backdrop of growing competition in China’s EV sector. Many car manufacturers have begun developing their own semiconductor chips, software packages, battery packs, and intelligent driving solutions to eliminate the need to cooperate with third parties.

BYD noted that the new product plays an important role in the company’s intelligent driving strategy. According to BYD, the chip consumes less energy than its competitors while supporting all the computing processes required for self-driving tasks. 

Reports suggest that the chip can handle Level 3 and Level 4 driving scenarios and has already been mass-produced. Experts suggest that a three-chip configuration can provide more than 2,100 TOPS (trillion operations per second) of computing power, placing it among the most powerful automotive computing platforms developed by a Chinese carmaker.

Smart Driving Becomes BYD’s Next Battleground

The chip launch comes as BYD faces slowing growth and increasing price pressure in China’s EV market. While the company remains the country’s largest EV maker, it has recently shifted attention toward intelligent driving and software-led differentiation.

Alongside the new chip, BYD expanded its ‘God’s Eye’ driver-assistance ecosystem and announced new customer protection measures tied to assisted-driving functions. The company says its long-term goal is to reduce traffic accidents through intelligent driving technologies.

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Competition Shifts Beyond Batteries

China’s EV race is increasingly moving beyond battery range and charging speeds. Companies including Nio, Xpeng, and Li Auto have accelerated development of self-driving chips and AI-powered driving systems, while Tesla continues to seek broader approval for advanced driver-assistance features in China.

For BYD, the Xuanji A3 is more than a semiconductor launch. It reflects a broader strategy to gain tighter control over the technologies that will define the next phase of electric vehicles, in which software, computing power, and autonomous capabilities could become as important as battery performance.

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