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rowan · 06-05-2008, 05:46 AM

BTW I notice your cores are much closer in temp... on mine (which is an older Q6600) the first core runs the hottest, then the next is a degree or two lower. Third and fourth cores are cooler still. I presume this is because the first core does all of the scheduling; it shares a die with the second core (quad is just two core2duo dies) so there's some heat transferred between the two. At idle the third and fourth core are doing virtually nothing and they're better thermally isolated than the first two so they run cooler still. Just a guess.

CPU 0: 38.0C
CPU 1: 36.8C
CPU 2: 34.0C
CPU 3. 33.8C

06-05-2008, 05:46 AM
rowan Too lazy to set a custom title Join Date: Mar 2002 Location: Australia Posts: 17,393	BTW I notice your cores are much closer in temp... on mine (which is an older Q6600) the first core runs the hottest, then the next is a degree or two lower. Third and fourth cores are cooler still. I presume this is because the first core does all of the scheduling; it shares a die with the second core (quad is just two core2duo dies) so there's some heat transferred between the two. At idle the third and fourth core are doing virtually nothing and they're better thermally isolated than the first two so they run cooler still. Just a guess. CPU 0: 38.0C CPU 1: 36.8C CPU 2: 34.0C CPU 3. 33.8C