HBM

Search documents
特供中国的阉割版Blackwell-B40的几点信息
是说芯语· 2025-05-21 14:28
以下文章来源于傅里叶的猫 ,作者小小 傅里叶的猫 . 芯片EDA大厂资深工程师,半导体AI行业解读及研报分享 申请入围"中国IC独角兽" 是说芯语,欢迎关注分享 美国或设 GPU 内存带宽上限 1.7-1.8TB/s,若如此英伟达 H20 可能弃用 HBM 内存改用 GDDR6,降级 版 H20 性能仍可能强于使用 GDDR6 的游戏 GPU,如RTX5090D。 今天又看到另一篇研报,是广发海外的一个分析,认为该 GPU可能命名为 6000D,即 B40,极有可能 在 7 月初发布,其搭载的 GDDR7 速率约为 1.7TB/s(对比 H20 的 4TB/s)。在 NVLink 单向速度约 550GB/s 及 CUDA 的支持下,广发预计到 2025 年底出货量将达约 100 万片。 对于很多没有公布的数据,我们都要结合多家的报告来看,因为每家的分析可能多多少少有些不同的地 方。就像我们上篇文章中提到的华为昇腾系列2025年出货量调研的文章,几家机构给出的数据都是在 70w~85w之间,而在IDC的一个分析中,提到2024年华为昇腾的出货量已经达到了64万,那按正常的增 长速度,加上H20被禁,今年绝对不会 ...
特供中国的阉割版Blackwell-B40的几点信息
傅里叶的猫· 2025-05-21 12:12
美国或设 GPU 内存带宽上限 1.7-1.8TB/s,若如此英伟达 H20 可能弃用 HBM 内存改用 GDDR6,降 级版 H20 性能仍可能强于使用 GDDR6 的游戏 GPU,如RTX5090D。 Jefferies 报告:阉割版H20 可能弃用 HBM,内存改用 GDDR6 自从前段时间H20被禁之后,英伟达就开始计划再做一个阉割版的H20来特供中国,但严格来讲不能 叫阉割版H20,H20是Hopper架构,而新的阉割版GPU是Blackwell架构。 我们之前写过一篇文章,当时看到Jefferies的一篇分析,其核心观点是: GPU+FPGA 今天又看到另一篇研报,是广发海外的一个分析,认为该 GPU可能命名为 6000D,即 B40,极有可 能在 7 月初发布,其搭载的 GDDR7 速率约为 1.7TB/s(对比 H20 的 4TB/s)。在 NVLink 单向速度 约 550GB/s 及 CUDA 的支持下,广发预计到 2025 年底出货量将达约 100 万片。 对于很多没有公布的数据,我们都要结合多家的报告来看,因为每家的分析可能多多少少有些不同 的地方。就像我们上篇文章中提到的华为昇腾系列 ...
联发科:首颗 2nm 芯片将于 9 月流片
半导体芯闻· 2025-05-20 11:00
Tape-out指的是芯片设计最终完成、准备进入量产的阶段。 " 我 们 已 决 定 长 期 走 这 条 路 。 2 纳 米 、 A14 、 A16 , 不 管 之 后 是 哪 个 节 点 , 联 发 科 都 会 参 与 其 中,"蔡力行说。 其中,A14和A16分别指的是1.4纳米和1.6纳米的制程技术。这三种制程目前均未进入商业量产阶 段,台积电预计将在2025年下半年开始量产2纳米工艺,1.4纳米制程则预计2028年实现。 蔡力行还介绍了公司进军笔记本电脑市场的计划,表示将使用台积电的3纳米制程为谷歌的高端 ChromeBook专业系列制造芯片,并重申了联发科在数据中心领域打造定制化AI加速器的雄心。此 外,联发科还与英伟达合作开发Spark——一款面向个人桌面的AI计算机,预计今年夏天开始出 货。 如果您希望可以时常见面,欢迎标星收藏哦~ 来源:内容半导体行业观察综合 ,谢谢 。 据报道,联发科将从今年9月起开始采用台积电最新的2纳米芯片制造技术,并计划未来持续使用 台积电所有后续的先进制程技术,以在AI时代保持竞争力。 联发科CEO蔡力行周二在台北国际电脑展主题演讲中表示,这家全球领先的移动芯片开发 ...
化工行业周报20250518:国际油价、MDI、涤纶短纤价格上涨,海外天然气价格下跌-20250520
Bank of China Securities· 2025-05-20 05:38
Investment Rating - The report rates the chemical industry as "Outperform the Market" [1] Core Views - The industry is significantly influenced by tariff-related policies and fluctuations in crude oil prices, suggesting a balanced allocation strategy. Focus is recommended on companies in electronic materials with increasing self-sufficiency and energy firms with stable dividend policies [1][10] - The report highlights the potential for sustained high oil prices, ongoing high demand in the oil and gas extraction sector, and the rapid development of downstream industries, particularly in new materials [10] Industry Dynamics - In the week of May 12-18, 2025, among 100 tracked chemical products, 43 saw price increases, 32 saw declines, and 25 remained stable. The average price of WTI crude oil increased by 2.41% to $62.49 per barrel, while NYMEX natural gas prices fell by 12.37% to $3.33 per mmbtu [9][10] - MDI prices rose, with the average price for polymer MDI at 16,500 CNY/ton, an increase of 8.55% week-on-week. The average price for pure MDI was 17,800 CNY/ton, up 2.89% [10] - Polyester staple fiber prices increased to 6,710 CNY/ton, a rise of 5.17% week-on-week, with production expected to be around 167,000 tons [10] Investment Recommendations - The report suggests a focus on companies with strong dividend policies and those involved in electronic materials, particularly in semiconductor and OLED materials, as well as new energy materials [10] - Recommended stocks include China Petroleum, China Oilfield Services, and several technology firms such as Anji Technology and Yake Technology [10] - The report emphasizes the importance of policy support for demand recovery and suggests monitoring leading companies with high earnings elasticity [10] Key Metrics - As of May 18, 2025, the price-to-earnings ratio for the SW basic chemicals index is 22.09, at the 61.89% historical percentile, while the price-to-book ratio is 1.80, at the 11.72% historical percentile [10]
化工行业2024年年报综述:基础化工静待复苏,石油石化保持稳健
Bank of China Securities· 2025-05-19 09:10
Investment Rating - The report maintains an "Outperform" rating for the chemical industry, indicating a positive outlook based on expected economic recovery and demand improvement [1]. Core Insights - The basic chemical industry is expected to see a recovery in profitability, with 2024 revenues projected to reach CNY 2,219.98 billion, a year-on-year increase of 2.66%, while net profit is expected to decline by 8.18% to CNY 108.87 billion [6][26]. - The oil and petrochemical sector is anticipated to maintain stable revenues and profits, with 2024 revenues estimated at CNY 7,941.40 billion, a decrease of 2.81%, and net profit expected to grow by 0.58% to CNY 372.14 billion [1][26]. - The report highlights that 23 out of 33 sub-industries in the basic chemical sector experienced revenue growth in 2024, with significant increases in chlor-alkali and textile chemicals [6][15]. Summary by Sections Industry Overview - The basic chemical industry is experiencing a decline in profitability, with gross and net profit margins at 16.27% and 5.13%, respectively, both down from 2023 [26]. - The report notes that the industry has been in a continuous decline in profitability from 2022 to 2024, but signs of stabilization are emerging [26]. Sub-Industry Performance - In 2024, chlor-alkali and textile chemicals showed the highest profit growth rates at 262.84% and 125.27%, respectively [15][26]. - Conversely, non-metallic materials and other plastic products faced significant profit declines of 79.24% and 67.49% [15][26]. Quarterly Analysis - For Q4 2024, the basic chemical industry reported revenues of CNY 565.72 billion, a year-on-year increase of 5.15%, but a quarter-on-quarter decline of 0.90% [6][7]. - Net profit for Q4 2024 was CNY 14.16 billion, down 10.73% year-on-year and 51.03% quarter-on-quarter [6][7]. Investment Recommendations - The report suggests focusing on companies in rapidly developing downstream sectors, particularly in new materials, energy security, and policy-driven demand recovery [1][26]. - Recommended companies include China National Petroleum, China National Offshore Oil, and various technology firms in the semiconductor and new energy materials sectors [1][26].
环球晶圆,在美国额外投资40亿美元
半导体芯闻· 2025-05-16 10:08
Group 1 - GlobalWafers, a Taiwanese chip material manufacturer, plans to invest an additional $4 billion in the U.S. to strengthen local supply and respond to the U.S. government's efforts to promote manufacturing [1] - The company's total investment in the U.S. will exceed $7.5 billion, doubling its existing investment, and is driven by increasing market demand and favorable tariff structures [1] - The new Texas facility will produce silicon wafers for semiconductors and is expected to create 1,200 construction jobs and 180 permanent jobs, with plans to hire up to 650 engineering, technical, and operational professionals by the end of 2028 [1] Group 2 - The U.S. government views chip manufacturing as a national security priority, emphasizing the economic, technological, and military reliance on superior chip capabilities [1] - During the pandemic, supply chain issues highlighted the critical nature of the semiconductor industry, with chip shortages impacting automotive sales and other sectors [1] - In March, TSMC announced plans to invest at least $100 billion in U.S. chip manufacturing over the coming years, building on a previous commitment of $65 billion made during the Biden administration [2]
化工行业周报20250511:国际油价反弹,聚合MDI、丁二烯价格上涨-20250512
Bank of China Securities· 2025-05-12 14:57
Investment Rating - The report rates the chemical industry as "Outperform the Market" [2] Core Views - The industry is significantly influenced by tariff-related policies and fluctuations in crude oil prices, suggesting a balanced allocation strategy. Focus is recommended on companies in electronic materials with increasing self-control and energy companies with stable dividend policies [2][11] - The report highlights the importance of demand as a key factor in determining market prices, particularly for products like MDI and butadiene [32][33] Summary by Sections Industry Dynamics - In the week of May 5 to May 11, 2025, among 100 tracked chemical products, 22 saw price increases, 48 saw declines, and 30 remained stable. The average price of WTI crude oil rose by 2.78% to $59.91 per barrel, while Brent crude increased by 2.53% to $62.84 per barrel [10][31] - The average price of polymer MDI increased by 5.02% to 15,700 CNY/ton, while butadiene saw a slight increase of 1.39% to 9,125 CNY/ton [32][33] Investment Recommendations - The report suggests a mid to long-term investment focus on sectors such as oil and gas extraction, electronic materials, and new energy materials. Specific companies recommended include China Petroleum, China Oilfield Services, and several technology firms [11][12] - The report emphasizes the potential for high growth in the semiconductor materials sector driven by advancements in AI and packaging technologies [11] Price Trends - The report notes that 22% of tracked products saw month-over-month price increases, while 48% experienced declines. Key products with significant price increases include NYMEX natural gas and urea, while products like aluminum fluoride and potassium chloride saw notable declines [10][30] - The report also indicates that the average price of lithium carbonate for battery-grade material decreased by 2.61% to 67,133.33 CNY/ton [10]
中芯国际赵海军:美半导体关税提升,对行业直接影响微乎其微
Sou Hu Cai Jing· 2025-05-09 08:36
Core Insights - The global semiconductor industry showcased significant performance in Q1 2025, with SMIC's latest financial report drawing considerable attention [1] Financial Performance - SMIC achieved a revenue of 16.301 billion yuan in Q1 2025, representing a substantial year-on-year increase of 29.4% [3] - The net profit reached 1.356 billion yuan, marking an impressive year-on-year growth of 166.5% [3] - The gross margin remained stable at 22.5% [3] Growth Drivers - The growth in performance was attributed to several factors, including changes in international circumstances leading to increased customer shipments, domestic policy support for bulk product demand, and a recovery in the industrial and automotive sectors [3] - A reduction in R&D and administrative expenses also contributed to the increase in net profit [3] Product and Market Structure - Revenue from 12-inch wafers accounted for 78.1% of total revenue, becoming the core growth engine for the company [4] - The Chinese market remained the primary revenue source, contributing 84.3%, while the U.S. and Eurasian markets showed recovery with contributions of 12.6% and 3.1%, respectively [4] - The revenue share from industrial and automotive sectors increased significantly to 9.6%, driven by strategic investments in electric vehicles and industrial control [4] Challenges and Market Outlook - Despite strong financial results, SMIC faced challenges such as extended customer payment cycles, resulting in a negative net cash flow from operating activities of -1.17 billion yuan [5] - The global semiconductor market experienced seasonal fluctuations, with a year-on-year sales increase of 18.8% to $167.7 billion, but a quarter-on-quarter decline of 2.8% [5] - SMIC holds a 6% market share, ranking third globally, but faces price competition from Taiwanese foundries [5] - For Q2, cautious guidance was provided, with expected revenue decline of 4%-6% and gross margin reduction to 18%-20% due to the end of the pre-pull cycle for consumer electronics [5] Strategic Focus - The company emphasized the importance of maintaining strategic focus and resilience in the face of intensified competition and price declines [6] - Continuous innovation and deepening core business operations are seen as essential for sustaining competitiveness in the market [6]
传台积电要求供应商降价30%
半导体芯闻· 2025-05-07 09:49
市场预期,新台币每升值1%,营业利益率恐下降0.4 个百分点。台积电2025 年第二季展望是合并 营收介于284 亿至292 亿美元。若以新台币32.5 元兑1 美元汇率假设,毛利率介于57%~59%,营 业利益率介于47%~49%,因此新台币升值将对台积电第二季营运造成不小压力。 针对汇率一事,台积电则回应目前并未有任何修正2025 年第二季与全年展望的规画,将持续谨慎 关注汇率变化。 点这里加关注,锁定更多原创内容 *免责声明:文章内容系作者个人观点,半导体芯闻转载仅为了传达一种不同的观点,不代表半导体芯闻对该 观点赞同或支持,如果有任何异议,欢迎联系我们。 来源:内容编译自technews,谢谢 。 新台币近期面临一波急升,市场担心以出口为主的半导体业和电子业将受冲击,尤其台积电是否因 汇损而损害毛利率及营收。根据业界消息,目前台积电已要求供应商提出成本下修计划,以因应新 台币升值影响。 最近新台币汇率可说是「暴力升值」,从一个月前的兑美元约33 元,一路迅速升破30 元,甚至一 度看到29 元的价位。虽然央行强调「美国财政部未要求新台币升值」,但根据媒体引述韩国央行 行长李昌镝的说法,美国政府向亚洲国 ...
化工行业周报20250505:海外天然气、TDI价格上涨,国际油价、醋酸价格下跌-20250506
Bank of China Securities· 2025-05-06 01:30
基础化工 | 证券研究报告 — 行业周报 2025 年 5 月 6 日 投资建议 海外天然气、 TDI 价格上涨,国际油价、醋酸价 格下跌 五月份,行业受关税相关政策、原油价格大幅波动等因素影响较大,建议整体均衡配置,关注 自主可控日益关键的电子材料公司,以及分红派息政策稳健的能源企业等。 行业动态 风险提示 地缘政治因素变化引起油价大幅波动;全球经济形势出现变化。 相关研究报告 《化工行业周报 20250427》20250427 《化工行业周报 20250420》20250421 《化工行业周报 20250413》20250413 中银国际证券股份有限公司 具备证券投资咨询业务资格 强于大市 化工行业周报 20250505 基础化工 证券分析师:余嫄嫄 (8621)20328550 yuanyuan.yu@bocichina.com 证券投资咨询业务证书编号:S1300517050002 证券分析师:范琦岩 qiyan.fan@bocichina.com 证券投资咨询业务证书编号:S1300525040001 本周(04.28-05.04)均价跟踪的 100 个化工品种中,共有 22 个品种价格上涨,47 ...