Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 231.83

+1.7%

Jan 16 9:30 AM EST

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To: dougSF30 who wrote (148535)	1/20/2005 6:25:43 PM
From: Rink	Read Replies (1) of 275872

Doug, re: It probably yields better* than high-bin Prescott* Though I'm not an expert I think you're wrong about on yields. 1. The die is way bigger, meaning proportionally lower max. dies / wafer. Yield is not only good die vs. max die (e.g. 70% good), but also good die per wafer (e.g. 200/wafer). More importantly: 2. Twice the amount of core logic trannies (without much of the redundancy present in the cache subsystem) means twice the amount of failure opportunities. 3. Smithfield pushes the 90nm process to the max just like Prescott. 130W for dual core Prescott is low. 4. Lastly it makes more sense to compare Smithfield yields with Prescott yields instead of with some ambiguous high end Prescott yields. Sure frequency is lower (that foremost means a different bin split range and has relatively little to do with yields afaik that is). All in all this novice feels reasonably sure you're wrong. Regards, Rink

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