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So, I finally delid my i7700K.... and??
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CPC_RedDawn
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Default So, I finally delid my i7700K.... and?? - 07-13-2017, 12:16 | posts: 7,370 | Location: Wolverhampton/United Kingdom

I am literally in awe at the differences.

I used:

delid-die-mate 2 (which was super easy to use and very well made).
UHU Silikon High Temperature Sealant (pretty good stuff).
Thermal Grizzly Liquid Metal Conductant.
IC Diamond Thermal Paste.

The process was pretty easy, used an old credit card to scrap off the previous sealant, and some 99.9% isopropyl alcohol to clean off the substrate and the die it self and the IHS too.

After cleaning I started to use the thermal grizzly on the die... HOLY **** moment of panic I pressed too hard on the syringe and the ENTIRE tube splattered all over my desk and on my monitor!!!!

Luckily it was a practice run and it wasn't on the chip it self... I managed to clean it up easily with some of the isopropyl alcohol and managed to salvage some drops of thermal grizzly and use that on the die. You only need a few pin drops of the stuff.

Then using a cotton bud (which is provided) you have to slowly spread it over the die, its liquid metal based so it likes to stick to other metals. So getting a nice rectangle pool of it on the die is pretty easy. I didn't get any on the substrate as this would catastrophic as this stuff is electrically conductive!!

Then using the UHU sealant it made a square around the outside of the IHS, used the relid tool on the delid-die-mate and used the clamp the hold it on. I left it to cure in sunlight for around 40 minutes. Which was plenty of time.

Sure it wasn't the best of jobs as some sealant had squeezed out the sides but it was on and it was solid.

I then used some IC Diamond on top of the IHS, and reinstalled my Predator 360 AIO, which is also cooling my GTX1080 too with quick disconnects.

Right now onto the good stuff....

Temps Before delid :

stock 4.5GHz core clock/3600MHz RAM

idle - 32C
max full load - 76C


Temps after delid:

stock 4.5GHz core clock/3600MHz RAM

idle - 24C
max full load - 55C


I am averaging 46C across all cores when stressing!! Thats an 8c drop at idle and at full load a massive 21C drop!!!!

Sure this is at stock and I have not had time to overclock just yet, but when I tried to 5GHz before I delid I was hitting temps of around 91C!! So with this in mind if the drop from delidding stays true when overclocking I should be hitting around 70C full load when overclocking to 5GHz! This would be insane if true. I do not know if that 5GHz overclock was stable though as I stopped the test as 91C is a joke and I didn't want to push it that far. If I can get 4.8GHz I will be happy.


Anyone else got any delid stories? Also what would you guys class as good voltage for 5GHz on a 7700K? I was running I think 1.35v but LLC would kick in and take that to 1.375v.

Cheers for reading if you got this far, here have a binary tin of spam!
   
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fantaskarsef
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Default 07-13-2017, 12:40 | posts: 6,857 | Location: Austria (no kangaroos here)

Cool, thanks for sharing
   
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AsiJu
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Default 07-13-2017, 18:49 | posts: 3,562 | Location: Finland

Dat's some insane drop in temps! Gratz!

Surprised that even Kaby Lake gains that much as you'd think Intel would have improved the thermal solution.
My guess is the default adhesive is just too thick creating a gap between IHS and CPU.

CPC you can clean the squeezed-out adhesive after completely cured with a carpet cutter or small knife. Just trim along the edges of the IHS. Carefully

Last edited by AsiJu; 07-14-2017 at 07:19.
   
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Singleton99
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Default 07-13-2017, 22:38 | posts: 800 | Location: UK England

Well done
It can be very intimidating to start taking apart a very expensive part like a cpu.

Looks like you're done a good job and the temp drop is insane .

Why intel just cant do it right in the first place is beyond me , it would only make their products better for them and us too , maybe with AMD being on the scene again it might just make intel look at such things in there future products now . hopeful thinking
   
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nz3777
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Default 07-13-2017, 23:02 | posts: 1,683 | Location: Willowbrook ill.

I will pass on the Spam (thanks anyway) but those are some nice temp drops congrats dude! Let me throw some useless knowlege in for you guys now....You can also use Liquid Goo remover works just as well as the Rubbing-Alcohol.

I cant believe you spilled that stuff all over your monitor, sorry dont mean to laugh but when you are xtra careful thats when **** happens the most, dont you just hate that?! lol
   
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CPC_RedDawn
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Default 07-14-2017, 07:26 | posts: 7,370 | Location: Wolverhampton/United Kingdom

Quote:
Originally Posted by nz3777 View Post
I will pass on the Spam (thanks anyway) but those are some nice temp drops congrats dude! Let me throw some useless knowlege in for you guys now....You can also use Liquid Goo remover works just as well as the Rubbing-Alcohol.

I cant believe you spilled that stuff all over your monitor, sorry dont mean to laugh but when you are xtra careful thats when **** happens the most, dont you just hate that?! lol
Yup it does indeed. I nearly **** my pants when it happened! The monitor is a 2k 144hz gsync 27" cost me 650 brand new!! Thankfully isopropyl works wonders and cleans it off great.

Quote:
Originally Posted by AsiJu View Post
Dat's some insane drop in temps! Gratz!

Surprised that even Kaby Lake gains that much as you'd think Intel would have improved the thermal solution.
My guess is the default adhesive is just too thick creating a gap between IHS and CPU.

CPC you can clean the squeezed-out adhesive after completely cured with a carpet cutter or small knife. Just trim along the edges of the IHS. Carefully
Mate when I took off the IHS and saw the thermal paste that Intel used it was insane. Ut was thick, crusty, and some of it looked like powder!! Terrible stuff they used. They should of just used solder like the good old days. Nice to AMD using solder on Ryzen though.
   
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AsiJu
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Default 07-14-2017, 07:34 | posts: 3,562 | Location: Finland

Quote:
Originally Posted by CPC_RedDawn View Post
...
Mate when I took off the IHS and saw the thermal paste that Intel used it was insane. Ut was thick, crusty, and some of it looked like powder!! Terrible stuff they used. They should of just used solder like the good old days. Nice to AMD using solder on Ryzen though.
Ugh, you'd think someone like Intel would know better than that

Yeah Ryzens use soldered IHSs, which is nice. Incidentally my 6-core/12-thread R5 often runs cooler under load than my previous Haswell i5.

I did replace the cooler too though but it's a similar heatpipe cooler as the previous one and slightly smaller.

Also glad your monitor didn't get damaged, if that had happened to me I'd probably have had a stroke
   
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Taint3dBulge
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Default 07-18-2017, 07:28 | posts: 1,120 | Location: South Dakota

I got about the same with my 4790k. I did find however that not gluing the headspreader on made an even bigger difference. I saw an extra 3c drop on load on 2 of the cores. and 1-2 on the other 2 cores. the glue can make the spreader alittle lopsided after it fully cures.
   
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thatguy91
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Default 07-18-2017, 08:17 | posts: 6,456 | Location: Australia

Intel probably won't change back to solder, why would they? It's only enthusiasts that care. If someone stuff's up a delid they only way to fix it is to buy another CPU. Win-win for Intel.
   
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Subaru Swift
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Default 07-19-2017, 16:18 | posts: 964 | Location: UK - Staffordshire \ bromsgrove

Nice one, looking good at them temps.

On a side note I did my spare computer running a 3770 cpu the other day & it dropped 4c at idle & a cool 18c drop at full load in prime !
Hence I'm going to do my 4770k tonight & see what I can drop that down to now.
   
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CPC_RedDawn
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Default 07-19-2017, 17:01 | posts: 7,370 | Location: Wolverhampton/United Kingdom

Quote:
Originally Posted by Subaru Swift View Post
Nice one, looking good at them temps.

On a side note I did my spare computer running a 3770 cpu the other day & it dropped 4c at idle & a cool 18c drop at full load in prime !
Hence I'm going to do my 4770k tonight & see what I can drop that down to now.
Careful with the 4770K as it has some extra components on the substrate that needs isolating with sealant I think. I would double check youtube for a guide if I was you.
   
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angelgraves13
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Default 08-12-2017, 22:03 | posts: 564 | Location: Los Angeles

I don't know about using Liquid Metal. It may degrade components and lifespan. On a $350 CPU...who cares? It's small potatoes, but I'd never risk it on say a 7900X.
   
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Agent-A01
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Default 08-13-2017, 00:46 | posts: 9,610 | Location: USA

Quote:
Originally Posted by angelgraves13 View Post
I don't know about using Liquid Metal. It may degrade components and lifespan. On a $350 CPU...who cares? It's small potatoes, but I'd never risk it on say a 7900X.
No it doesn't.

How exactly do you think it degrades metal?
   
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Subaru Swift
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Default 08-13-2017, 11:00 | posts: 964 | Location: UK - Staffordshire \ bromsgrove

Quote:
Originally Posted by CPC_RedDawn View Post
Careful with the 4770K as it has some extra components on the substrate that needs isolating with sealant I think. I would double check youtube for a guide if I was you.

Cheers for the heads up, I read a fair few pages before I did it !
I got some clear nail vanish & coated the little line of components. I also used thermal grizzly kryonaut paste non conductive on the cpu & the water block, as I used that metal based stuff in the past & it was a pain to get right....

All went well & my temps are lower all round,
   
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arel77
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Default 08-19-2017, 23:47 | posts: 13 | Location: canada

very nice i recently delided my 7700k ( didnt re glue ihs ) i used mobo to hold it together on a swiftec h320 360mm water loop i idol @ 30c ( adaptive voltge with power saving on ) 5 ghz ht on 1.37v -1.41 v on load im around 71c , i used thermal grizly liquid metal conductonout to between ihs and die also between my water block on top . maybee i dont have full contact under my water block ? then again 72c prime 95 @ 1.4 v 5 ghza ht on de lided doesnt sound that bad ? should i take it apart and see whats up ?
   
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