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Technology Stocks : Advanced Micro Devices - Moderated (AMD) -- Ignore unavailable to you. Want to Upgrade?

To: heatsinker2 who wrote (51725)	8/20/2001 12:54:27 PM
From: Ali Chen	Read Replies (1) \| Respond to of 275872

"Now why is Intel Tjmax less than the AMD Tjmax? I can come up with these possible reasons:" I think you are wrong on all three counts. Margins of safety is a well known tool in engineering. Of course, there are some trade-offs, and when someone uses lower margins of safety, it is definitely not due to ignorance as you have suggested. At the end, the Tjmax is determined experimentally. Lower Tjmax means that internal timing of Intel chips falls apart much earlier. There are indications that it is related to poor chip layout and corresponding hot spots. The 90-95 deg.C for AMD is an indication of a well balanced design, and it tells that there is a significant room for speed jacking if a more expensive cooling is provided. Of course, the ceramic package also helps, both mechanically and thermally. - Ali