BYD launches Xuanji A3, calls it China’s first 4nm smart driving chip

TechNode
2026.05.29 08:37
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BYD has launched the Xuanji A3, China's first 4nm autonomous driving chip, which supports L3 and L4 capabilities. The chip is now in mass production and features a three-chip configuration with over 2,100 TOPS of computing power. BYD's chip R&D team consists of over 7,000 members, with investments exceeding 100 billion yuan ($13.9 billion).