IBM’s 8-core POWER7 crams an amazing amount of hardware into about half the space of the competition. Its secret is that its large shared cache is made of DRAM, and not the less-dense SRAM that processors normally use. http://arstechnica.com/hardware/news/2009/09/ibms-8-core-power7-twice-the-muscle-half-the-transistors.ars
IBM’s 8-core POWER7: twice the muscle, half the transistors
IBM’s 8-core POWER7 crams an amazing amount of hardware into about half the space of the competition. Its secret is that its large shared cache is made of DRAM, and not the less-dense SRAM that processors normally use. http://arstechnica.com/hardware/news/2009/09/ibms-8-core-power7-twice-the-muscle-half-the-transistors.ars