Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 203.14

-0.8%

Jan 9 9:30 AM EST

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To: fastpathguru who wrote (228504)	3/20/2007 12:58:29 PM
From: Sarmad Y. Hermiz	Read Replies (3) of 275872

>> What is the reasoning behind the latter assertion re: frequencies? That is from an Intel published claim. It is not dated, but I think it is fairly recent. intel.com What about other manufacturers’ use of “silicon on insulator” (SOI)? Intel’s superior transistor performance and leakage have been achieved by meticulous engineering of “bulk CMOS” techniques, which offer the highest performance and best value to our customers. SOI adds substantial costs and complexity to the process. A comparison of published transistor switching speeds shows Intel’s bulk transistors to have faster switching speeds at comparable leakage currents compared to the best published numbers on SOI transistors. A more troubling issue is that SOI has higher “thermal resistance” than bulk CMOS. As a result, SOI transistors are forced to run at temperatures higher than necessary. Higher operating temperatures could cause long-term reliability problems.

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