BYD’s new in-house 4nm smart driving chip, China’s first, unlocks “the highest level of vehicle intelligence” with L3 and L4 autonomous driving capabilities. BYD unveils China’s first 4nm in-house smart driving chip During its Intelligent Strategy Launch on Thursday, BYD unveiled its latest breakthrough technology, “Xuanji A3,” China’s first self-developed 4nm assisted-driving chip. CEO Wang Chuanfu said during the event that the new chip supports Level 3 and Level 4 autonomous driving, claiming it “represents the highest level of intelligent driving chips in China.” Combined with its in-house algorithms used in its God’s Eye ADAS system and Xuanji architecture, BYD said computing power utilization has doubled, up 100%. Advertisement – scroll for more content Powered by three chips, the combined computing power exceeds a whopping 2,100 TOPS. According to BYD, the new Xuanji A3 smart driving chip has already entered mass production. The bigger news, however, is that unlike most automakers that outsource chips, BYD builds the chips entirely in-house, along with nearly every other vehicle component. Chuanfu said that BYD is now the only …