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markhahn0
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re: Samsung is mass producing 4-Gbit DDR3 DRAM
markhahn0   2/25/2010 1:45:41 AM
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the power-per-dimm numbers puzzle me too. the problem seems to be that the text is lifted from: http://www.samsung.com/global/business/semiconductor/newsView.do?news_id=1131 which is a slightly confused reuse of an example ("greener with ddr3") from: http://www.samsung.com/global/business/semiconductor/products/dram/DDR3/index.html the example is actually a power comparison for two 48 GB systems, one with 1.8V 1Gb ddr2 versus 1.35V 4G ddr3. rather extreme worst-case versus best-case, but it does illustrate the point. (which has to be interpreted as "minimize part count and voltage" really!)

jeffreyrdiamond
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re: Samsung is mass producing 4-Gbit DDR3 DRAM
jeffreyrdiamond   2/24/2010 7:23:17 PM
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Actually, I've often heard that in servers, nothing uses more power than the DRAM. Remember that each module here has 64 chips, compared to 16 or less for a consumer grade module. So I am not surprised at the power numbers. Notice that Samsung's 4GB module based on 16x2 gigabit, 30nm parts uses 3 watts, corresponding to 24 watts for a 32 GB module at this smaller etch size.

richardmorgan
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re: Samsung is mass producing 4-Gbit DDR3 DRAM
richardmorgan   2/24/2010 12:31:06 PM
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Guessing all the figures for power should be mW...



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