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AMD TDP jiggery-pokery exposed

How to make one plus two equal about one-and-a-half
Thu Dec 06 2007, 17:54

A POSTER on a Yahoo finance board, has gone through a couple of AMD pdfs with a fine-toothed comb to unearth actual TDP figures for the chip upstart's latest selection of processors.

AMD brought in what it claims is a more representative measurement of power usage with its four-core K10 offerings. It dubs this Average CPU Power (ACP), or as the poster dubs it, "Fake-o-watts".

The firm no longer wants to talk about TDP in public as it considers the measurement irrelevant.

But it appears that in updating a a document entitled The Truth About Power Consumption Starts Here, AMD has let slip its TDP figures for the K10 core for the first time.

In what appears to be the original pdf here, AMD shows three TDP families for the chippery: 68W, 95W and 120W.

In what appears to be the revised pdf, here, AMD looks to have increased these values to: 79W, 115W and 137W.

Both claim the same 55W, 75W, and 105W Fake-o-Watt™ values. µ

See Also
Average power consumption is anything but
Readers respond to AMD power averages


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