美国半导体：2025 年第一季度微处理器市场份额 ——ARM 超越英特尔和 AMD，重申对 AMD 和英特尔的中性评级

Summary of Microprocessor Market Share Conference Call Industry Overview - The conference call discusses the microprocessor market in the United States, focusing on the performance of major companies including ARM, AMD, and Intel during the first quarter of 2025 (1Q25) [1][7]. Key Points Market Performance - Total microprocessor unit shipments in 1Q25 decreased by 6.1% quarter-over-quarter (QoQ), which is better than the seasonal decline of 9.4% QoQ, primarily due to stronger-than-expected server CPU shipments [1][5]. - ARM gained market share, increasing its share by 281 basis points QoQ to 13.6% [1][4]. - AMD's overall market share decreased by 99 basis points QoQ to 21.1% [2][8]. - Intel's market share fell by 182 basis points QoQ to 65.3%, marking the lowest share recorded since 2002 [3][10]. Company-Specific Insights - AMD: - AMD's notebook MPU unit share dropped by 196 basis points QoQ to 18.8%, while its desktop share increased by 92 basis points to 26.2% [2][8]. - Server MPU share rose by 108 basis points to 24.4% [2][8]. - Intel: - Intel's desktop MPU share decreased by 66 basis points to 67.4%, and its notebook share fell by 219 basis points to 64.6% [3][10]. - Server MPU share declined by 210 basis points to 65.4% [3][10]. - ARM: - ARM's server MPU share increased by 102 basis points to 10.2%, driven by strong performance from Nvidia Grace CPUs [4][12]. - Notebook MPU share surged by 415 basis points to 16.6%, supported by Qualcomm and Google Chromebook CPUs [4][12]. - Desktop MPU share slightly decreased by 26 basis points to 6.4% [4][12]. Shipment Trends - Notebook MPU shipments fell by 6.9% QoQ, which is worse than the seasonal decline of 3.5% [5][14]. - Desktop MPU shipments decreased by 8.0% QoQ, significantly better than the seasonal decline of 21.8% [5][14]. - Server MPU shipments increased by 6.7% QoQ, contrasting with the expected seasonal decline of 11.5% [5][14]. Analyst Ratings - The analysts maintain a Neutral rating on both AMD and Intel, indicating a cautious outlook on their performance moving forward [1][15]. Additional Insights - The report highlights the competitive dynamics in the microprocessor market, with ARM making significant gains at the expense of both AMD and Intel [1][7]. - The data suggests a shift in market preferences, with ARM's growth in specific segments indicating potential long-term trends that could affect future market shares [4][12]. This summary encapsulates the key findings and insights from the conference call regarding the microprocessor market and the performance of major players within it.