Intel Core i7-5960X De-Lidded Haswell-E Uses Soldered TIM

by Hilbert Hagedoorn on: 07/29/2014 10:21 AM | source: | 53 comment(s)

For its most powerful Haswell-E based processors Intel will use Soldered TIM based on a strong epoxy. OCDrift discovered that when they removed (read forced off) the heatspreader. Beneath the adhesive layer that secure the IHS to the package, Intel soldered the chip’s die to the IHS with a strong epoxy.

As OCDrift reports; this is a good news for overclockers, simply because soldering the CPU die to the IHS allows for much better heat conductivity than if the gap was to be filled with thermal interface material (TIM) like we’ve seen on the Core i7-3770K, 4770K, and 4790K.

Haswell-E is expected to be released in September 2014, and the rumoured specifications suggested that the top model namely the Core i7-5960X will have 8 cores, 16 threads and clocked at 3.0GHz with a 3.3GHz Turbo peak.

Now the question begs, who the heck did they get that processor from ? :)

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0655
Member

Posts: 43
Joined: 2014-05-22

#4902619 Posted on: 08/30/2014 01:33 PM

I hear.

Haswell-E used "Grease TIM" and "Solder TIM".
Grease TIM and Solder TIM are intermingled.

5820K/5930K model is using "Grease TIM" roughly.
5960X model is using "Solder TIM" roughly.

It seems to have been managed by serial actually.

P.S.
Japanese Media "Impress Watch" wrote.

Haswell-E is mixed grease and solder?
http://akiba-pc.watch.impress.co.jp/docs/wakiba/find/20140831_664463.html

0655
Member

Posts: 43
Joined: 2014-05-22

#4903115 Posted on: 08/31/2014 01:31 PM

tried it.

My Intel Core i7-5820K De-Lidded.
My 5820K uses Soldered TIM.

orz.....

d_mouse
Senior Member

Posts: 1093
Joined: 2006-05-04

#4903147 Posted on: 08/31/2014 03:08 PM

Most epoxies fail quite quickly when exposed to heat. 250'f is typically enough for an epoxy to lose 90% of its strength in about 15 minutes.

Ummm no, for an adhesive epoxy it's closer to 350f......... I doubt ANY CPU is going to get to 350f / 170c and live.

Most epoxies require much higher temperatures for the curing process in the first place, if they couldn't stand up to high temps do you think things like PCB's or even the heat shields NASA used to use in the 60's would be made out of them?

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