英伟达对华芯片出口限制缓和，亚马逊Trainium3正式推出 | 投研报告

Group 1 - Nvidia is negotiating with the White House for the potential sale of its advanced H200 chips to China, which could significantly impact its business prospects in the region [1] - Nvidia's lobbying efforts have reportedly yielded key results, with the GAIN AI Act expected to be excluded from the annual U.S. defense bill, easing restrictions on AI chip exports [1] - The H200 chip's entry into the Chinese market is more likely if the U.S. allows its export, as the domestic market has primarily relied on A-series and H-series chips [1] Group 2 - Amazon Web Services (AWS) announced the launch of its third-generation custom AI chip, Trainium3, which offers a fourfold performance increase over its predecessor and reduces AI model training and running costs by 40% [2] - Trainium3 features 144GB of HBM3E high-bandwidth memory and provides 4.9TB/s memory bandwidth, achieving over 2.5 PFLOPS of dense FP8 computing performance [2] - AWS is developing the next-generation Trainium4 chip, expected to enhance computing performance by six times and memory bandwidth by four times, while supporting Nvidia's NVLink Fusion technology for seamless integration with GPUs [2]