英伟达H20芯片后门引担忧，国产芯片性能优势待突破

Core Insights - Nvidia has been summoned for discussions regarding potential backdoors in its H20 chip, raising concerns about national security and public safety [2] - Despite the superior performance of domestic chips, they struggle to compete with Nvidia in the market [2] Group 1 - The existence of backdoors in chips poses significant risks to both the state and the public [2] - The discussion around Nvidia's H20 chip highlights the ongoing tension between national security and technological advancement [2] Group 2 - The performance gap between domestic chips and Nvidia's offerings is a critical issue for the industry [2] - The article questions why domestic chips, which are reportedly better in performance, are unable to gain market traction against Nvidia [2]