Advanced Micro Devices - Moderated (AMD) Message Board

From: Hans de Vries	1/28/2007 9:41:08 PM
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Intel 45 nm process / Penryn die size estimates. AMD Brisbane core 65nm 21 mm2 AMD Barcelona core 65nm 25 mm2 Intel Dothan core 90nm 32 mm2 Intel Merom core 65nm 32 mm2 Intel Penryn core 45nm 24 mm2 The die size estimate is mostly based on L2 cache scaling from 65nm to 45nm which is presumed to be 1.00 -> 0.52 like the known Intel SRAM tile sizes. This is almost ideal scaling and much better as the cell size decrease (0.57 um2 -> 0.346 um2) would suggest which would result in a much bigger die. Logic scaling seems to be even less now with only a 14% decrease in linear sizes going from 65nm to 45 nm (dry lithography). Do not expect much of clock frequency increases. Immersion lithography may do much better here since there is a real wave length decrease. Penryn's core is still larger as Brisbane's core even with a full generation advantage. Regards, Hans

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