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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: Process Boy who wrote (55296)4/13/1999 12:02:00 PM
From: RDM  Read Replies (2) | Respond to of 1573720
 
<OK, just out of curiosity, what's to stop Intel from resorting to this cheap trick, and why do you think they haven't, or won't?>

It may be that Intel has different insulating materials, smaller channel lengths, different doping profiles, or thinner insulators. Any one of these factors may result in a diminished ability to operate at higher voltages. These are the same factors that restrict AMD to 2.4v rather than 5 volts. At five volts the chips would be faster yet if they could withstand the voltage. Of course at 5 volts, if it were possible, the power would be considerably higher as well (in the vicinity of 80 watts).

There was a startup company a few years ago that held a record for failing after consuming the most venture capital ever in silicon valley (hundreds of millions). The technology they were pursuing was to create chips that were to dissipate hundreds of watts. They had special channels for cooling liquids to flow through. They failed due to steam voids forming in the channels and blocking flow of the cooling liquids. Sometimes truth is weirder than fiction.