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AI chip cost breakdown shows memory share reaches 63 percent

Memory accounted for as much as 63 percent of AI chip component costs in the fourth quarter of 2025, an estimate showed. Epoch AI examined AI chips designed by Nvidia, AMD, Google and Amazon and estimated the memory share rose from 52 percent in the first quarter of 2024. In dollar terms, memory-related spending climbed to about $32 billion in 2025 from about $12 billion in 2024. The figures are estimates with stated uncertainty ranges.