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 Oct 06, 2004 - 10:10 AM - by Michael
* AMD64 90nm hotter than thought?

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PC Games/Hardware/Microsoft
Sudhian have an "Oops we take it back" article on the thermal performance of the 90-nm Athlons.

When Prescott arrived and proved to be both slower than Northwood in most tests and much hotter we hypothesized that Intel might re-spin the silicon and release a cooler-running part, similar to how AMD did with the Thoroughbred-core Athlon. Nine months later, this is looking less-and-less likely. LGA775 offered no cooling benefit beyond the better heatsink / fan combo, and there?s no reason to think Intel has a new die revision coming that will drastically change Prescott?s thermal signature.

Its still not clear how much of Prescott?s thermal trouble is unique to the processor and how much is caused by Intel?s 90nm process, but the months since Prescott?s launch have proven the problem to be much bigger than Intel. IBM?s much-touted G5 shipped months late on 90nm and forced Apple to simultaneously delay the iMac and use water-cooling to push the CPU up to 2.5 GHz.
This isn't all that uncommon; gamers who've seen NVidia's overly ridiculous cooling tech as of late, understand that companies are more and more turning to cooling as they ramp up voltages and clock speeds, both of which have a pretty direct relationship (absent other cooling factors) with heat output.
While I'm sorry to see that AMD may not have kept the heat down as well as they'd like, it's still no tremendous problem.


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