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> The most expensive computer is a lot more expensive than the first PC.

Not if you're only looking at modern PCs (and adjusting for inflation). It seems unfair to compare a computer built for a data center with tens of thousands in GPUs to a PC from back then as opposed to a mainframe.

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Good point; the proper comparison might be between something like ENIAC, which reportedly cost $487K to build in 1946, being about$7M now, and a typical Google data center, reportedly costing about $500M.

I think a closer comparison would be one rack or isle, not a whole data center.

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