Semiconductor Value Chain Restructuring Around AI: ASICs, Memory, and Agentic CPU Demand

A deep 2025 retrospective highlights how AI is restructuring the entire semiconductor stack — from the rise of custom ASICs to a memory boom to new CPU demand driven by agentic workloads.

A detailed year-in-review thread from @Ember_web3 maps the structural shifts AI imposed on the semiconductor industry through 2025. The key themes: custom ASICs are gaining share against general-purpose GPUs for inference workloads; HBM (high-bandwidth memory) demand has created a supply crunch that benefits Samsung and SK Hynix; and agentic AI workloads — which involve persistent, multi-step computation rather than single-shot inference — are driving unexpected demand for traditional CPUs alongside GPUs.

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