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英伟达特供中国的B20/B40 spec分析
傅里叶的猫· 2025-06-14 13:11
我们之前写过两篇关于英伟达特供中国阉割版H20的文章,都是基于外资投行的分析,这篇文章,我们 来看下substack上的一个分析,这个分析的内容比之前两篇的内容都要更加的详细。 原文链接:https://substack.com/home/post/p-165933497 Substack账户: Global Semi Research 本次转载已获原作者授权 正文 英伟达首席执行官黄仁勋周四在巴黎对CNN记者安娜·斯图尔特表示:"未来,我们的预测将不包括中国 市场。"然而,中国对英伟达的重要性不言而喻——否则,黄仁勋不会如此努力地放大华为作为竞争威 胁的形象。他声称华为的芯片可与英伟达最先进的处理器相媲美,但这与中国市场的实际情况不符。 我们的行业调查显示,华为的CloudMatrix384——黄仁勋将其定位为可与英伟达Blackwell架构媲美的产 品——在中国市场上难以推广。虽然一些公司表示了兴趣,但尚未有实质性订单。 B20使用英伟达的ConnectX-8实现互连功能,通过以太网实现连接,最大互连带宽为800Gbps。每块B20 芯片通过NVLink总线连接到ConnectX-8芯片,形成一个相当于P ...
第一上海——科技行业周报26052025 繁体
Investment Rating - The report maintains a positive outlook on domestic computing power opportunities in the context of U.S. restrictions on advanced chip exports to China and the increasing urgency for domestic computing power alternatives [3]. Core Insights - NVIDIA is set to launch a new custom chip B40 for the Chinese market, with a price range of $6,500 to $8,000, significantly lower than the previous H20 model priced at $10,000 to $12,000. The new chip's performance is expected to be inferior to both its predecessor and mainstream domestic chips [2][5]. - The urgency for domestic computing power replacement continues to rise due to geopolitical tensions and restrictions on advanced technology [3]. - Xiaomi has launched its self-developed 3nm flagship chip "玄戒 O1," marking it as the fourth company globally to release a 3nm mobile processor, with significant R&D investment exceeding 13.5 billion yuan [5]. Summary by Sections NVIDIA Custom Chip Launch - NVIDIA's new custom chip B40 is expected to be released by the end of June, with a projected shipment of 1 million units in 2025. The chip will utilize GDDR7 memory instead of HBM, resulting in a bandwidth reduction from 4TB/s to 1.7TB/s [2][5]. Domestic Computing Power - The report emphasizes the growing importance of domestic computing power solutions in light of U.S. export restrictions and the competitive landscape [3]. Industry Developments - AMD plans to sell its ZT Systems server manufacturing business for $3 billion, focusing on chip design and software support [7]. - TSMC has rejected offers to build factories in India, opting instead to collaborate with local firms [7]. - Semiconductor capital expenditure is projected to grow by 27% in Q1 2025, driven by investments in AI-related technologies [7]. - GlobalWafers America has officially opened a new advanced semiconductor wafer manufacturing facility in Texas, with plans for further investment [11].