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Technology Stocks : Intel Corporation (INTC)

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To: Dan3 who wrote (137930)	6/22/2001 10:57:21 AM
From: Cirruslvr	Read Replies (1) of 186894

Dan - RE: "The data sheet for the .18 PIII mobile clearly states that the power figure are for max consumption and also offers power ratings for 1.35v - where core/cache power is 18 watts, 10 watts lower than the core/cache consumption figure for Tualatin. We need to see if there is a similar (lowered voltage) consumption figure for Tualatin, but right now, the data out indicates that Tualatin actually consumes significantly more power at a given voltage than Coppermine!" Do you realize you are comparing a low-voltage mobile PIII to a normal mobile PIII processor? That's why the voltage you quote is 1.35v, not the 1.6/1.7 the normal .18 mobile PIII uses. But you knew that... "The amperage a 1.35v for Coppermine is 12.8 while at 1.45v for Tualatin it's 19.4. At 1.7 Coppermine amperage jumps to 21.1 while for Tualatin we aren't given another figure." Again you're comparing a low-voltage moblie PIII to a normal mobile PIII. Here's another comparison since you seem to like them - the mobile 1.13GHz max power consumption of 27.9W is about equal to the 850MHz Coppermine's. That's 33% more speed plus double the L2 cache at the same max power consumption. You need to accept that Tualatin is a big improvement over Coppermine. I don't see why you're trying so hard to hide this fact. BTW, what do you mean by "bus drivers" here - "If you add in the bus drivers, tualatin may be closer to that 34w figure than the 27w or 28w being offered as power use under typical loads." According to the tech doc, the Tualatin bus uses a lower voltage than the previous P6 bus. "The Intel® Pentium® III processor with 512KB L2 Cache uses the original low voltage signaling of the Gunning Transceiver Logic (GTL) technology for the system bus. The GTL system bus operates at 1.25V signal levels versus GTL+ which operates at 1.5V signal levels. The GTL+ signal technology is used by the Intel® Pentium® Pro, Intel® Pentium® II and legacy Intel® Pentium® III processors."

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