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775/1155 cooler heat dissipation

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March 21, 2013 2:31:36 AM

Hi,
Slightly different take on the 775/1155 question - I'm comfortable with the physical compatibility but:
I've got an old 775 from a P4 with a TDP of 115W. Given that my new CPU (i5 3rd Gen ) has a TDP of 77W, does that imply that that there is greater cooling capacity & that it would be a good bet for my new setup? I'm not doing any radical gaming (nothing more than occasional Minecraft) or overclocking, although this will; be a work PC running GIS software (biggish computations) & Photoshop.

The cooler is actually from a Dell Dimension 8200, with heat pipes. I know Dell, er have their niche, but this is pure physics surely? And it will be reasonably well made.

I can get a stock cooler for not much so it's not about the money, just that it might potentially be better.

Your thoughts would be appreciated.

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March 21, 2013 2:35:19 AM

Well if that cooler kept a 115w cool it certainly better for the 77w @ stock clock
if you overclock than it might not anymore.
Heat pipe cooling is best air cooler
Question is will the 775 fit in 1155? if it does great
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March 21, 2013 2:43:18 AM

775 and 1155 aren't compatible (1155 is slightly larger) but if you're cooler is certified 1156 it's ok for 1155 and upcoming 1150 "Haswell"
(i can proove as i myself tried to do this)

77w is the max stock tdp so your cooler will do just fine and a lot better than the intel one but once you'll start to overclock (if a day you want to), make sure it's a good cooler cause Sandy and Ivy heats a lot when going at higher frequency and voltage (Ivy is hotter than Sandy too)
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March 21, 2013 8:56:48 AM

10532630,0,1067824 said:
775 and 1155 aren't compatible (1155 is slightly larger) but if you're cooler is certified 1156 it's ok for 1155 and upcoming 1150 "Haswell"
(i can proove as i myself tried to do this)

There are mixed messages out there on the interweb - like you, some say it can't be done. Others say they've done it (albeit with a small bit of judicious filing). Maybe id depends on the actual cooler.
My motherboard should turn up shortly so I can investigate. Will only set me back a couple of days if I can't. Patience & all that.
Reassuring though to know that my thinking is correct though & that there are no arcane mysteries involved.
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