AMD's AI Growth Faces Broadcom Threat

AMD and Broadcom are pursuing different strategies in AI silicon. AMD sells merchant Instinct GPUs and EPYC CPUs widely, while Broadcom co-designs custom XPUs with a few hyperscalers. This strategic contrast is central to the perceived threat.

Three of AMD's top AI customers—OpenAI, Anthropic, and Meta—are also building custom accelerators with Broadcom. Broadcom's CEO argues a co-developed XPU outperforms any GPU at half the cost. If these labs shift workloads, AMD's addressable market at those accounts shrinks.

Near-term optics favor AMD with strong stock performance, while Broadcom has cooled recently. However, Broadcom's structural position, including its operating margin and customer roster pre-selling 2028 capacity, suggests a durable advantage. The outcome likely hinges on whether AMD's merchant GPUs win outside the top labs and if its 2030 TAM assumption holds.