TPU挑战GPU，但美银建议：英伟达、博通、AMD都买

Core Viewpoint - Bank of America predicts that the AI data center market will grow fivefold to over $1.2 trillion by 2030, maintaining a buy rating on Nvidia, Broadcom, and AMD despite potential market share declines for Nvidia [1][3]. Market Growth and Dynamics - The total addressable market (TAM) for AI data centers is expected to increase from $242 billion in 2025 to over $1.2 trillion by 2030, indicating significant growth potential [6]. - Even if Nvidia's market share normalizes from 85% to 75%, its absolute revenue is projected to experience explosive growth [3][6]. Competitive Landscape - Despite the emergence of Google's TPU and other custom chips, which pose challenges to GPUs, Bank of America maintains a bullish outlook on Nvidia, Broadcom, and AMD [3][5]. - Custom chips are primarily advantageous for companies like Google and Meta with large internal workloads, while GPUs retain irreplaceable advantages in public cloud and enterprise markets [3][7]. Investment Recommendations - Bank of America recommends a buy rating for Nvidia, Broadcom, and AMD, asserting that current valuations do not fully reflect their long-term profitability [3][9]. - Nvidia is expected to achieve over 40% sales and earnings per share growth, with a target price of $275, while Broadcom is seen as a major beneficiary of the custom chip trend, with a target price of $400 [9][10]. - AMD is also recommended for holding, with a target price of $300, reflecting its competitive position against Nvidia [12]. Future Projections - Nvidia's earnings per share are projected to exceed $10 by 2027 and surpass $20 by 2030 [10]. - Bank of America anticipates that the company's AI business revenue will grow over 100% year-on-year in 2026 due to additional TPU and Anthropic projects [11].