Formerly About Advanced Micro Devices Message Board

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Politics : Formerly About Advanced Micro Devices

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To: Ali Chen who wrote (67559)	8/4/1999 2:16:00 AM
From: THE WATSONYOUTH	Read Replies (2) of 1574489

YOUTH, <Intel's published device design for the .18um groundrule generation (Coppermine/Merced etc.) is top notch/world class.> ALI < Aha, is this the process where Coppermine can't get to 600MHz? Very impressive indeed! > I believe the problem on Coppermine had to do with low Vts in the on chip L2 cache. This is not a major problem and appears to have been fixed. Alternately, maybe Intel just wanted a delay to squeeze in one last speed sort (600MHz) from the .25um process.I think the 600MHz yields even surprised them. And after all, with the Athlon chip yet to appear - why not? Just feed you guys a line about yields at 600MHz. Do you honestly believe that INTEL can ship volumes of 600MHz parts in .25um but can't yield 60MHz in .18um? <(the best I've seen to date). I sincerely doubt that AMDs .14 micron devices (these I believe are for the .18um generation Athlons) will be as good> ALI < Your sincerity is truly amazing. And have you seen this:> techstocks.com I looked over the numbers. It's hard to compare. I'm quite sure both companies have similar device lengths on the .25um processes but the device widths could be very different. So the power figures are hard to compare but both (especially Athlon) seem very high. It looks like the 650MHz part would be about 50 Watts. Is that why they have to limit it to 1.7V?? However, my point was to compare the device designs at .18um groundrules (Athlon vs. Coppermine) and not the chip designs. I have seen Intel's device design and it is very good and a large improvement over their .25um design. I haven't seen the AMD design point but doubt it is as good. That's all I said. THE WATSONYOUTH

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