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post #31 of 56
Another option is to just send it to Silicon Lottery for their delid service. $50 and they'll apply the Liquid Metal when they put the IHS back on.
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post #32 of 56
Quote:
Originally Posted by frozenoden View Post

To modify the IHS and heat sink, I have the tools and experience to polish them both to an extremely flat surface. I know the base of my H212+ looks pretty rough. I feel like that might improve my contact area ergo better transfer.



For airflow, at the moment my case is open. My computer room is not heated and is 57 F (its cold-ish outside 37 F)

I have the delid tool coming, its a test version of the tool but it looks solid.

Haven't ordered TIM yet, I wanted to find out more about this stuff: http://www.thermal-grizzly.com/en/products/26-conductonaut-en
It sounds too good to be true and seems expensive...
Delidding and / or lapping void your warranty.
Trying to lap a 212 or any direct contact heatpipe cooler can easily end with dead heatpipes. Not a good idea.

As for TIM, Grizzley is good, but so are about 30 others. All of the top TIMs are within a couple degrees of each other. Optimizing your case airflow to make sure your cooler is getting cool air can easily result in 5-15c improvement, so it's far better to put your time into making sure our system is supplying cool air where needed. "Ways to Better Cooling" linked in my sig might be of interest. 1st post is index, click on topic to see it.
post #33 of 56
I've seen a lot of delidding suggestion. I currently use my 4790k with a Noctua NH-D14. The cpu hasn't seen 80C at 4.9GHz. I might be lucky but keep in mind that the maximal temperature varies with the stress test you are using.
I use LinX and I think it is perfectly fine. I noticed that the voltage needed beyond 4.5-4.6GHz skyrocket.

Here are few reasons why I advice you not to delid:
1- You lose your warranty (duh).
2- CPU loses value on the used market.
3- Lower temperature has virtually no effect on performance. You might be able to get 100-200 extra MHz out of it. I really don't think it is worth losing 1 & 2.
4- You risk to brick the CPU (even if the probability is quite small).

A better cooler is the first thing I would look for.
I would stay away from AIO (all-in-one) liquid coolers. You can get high-end coolers like the Noctua D15 for the same price with similar performance and no risk of having a dead pump or a leaking unit.
My Noctua NH-D14 has been in service since 2009. I seriously doubt a lot of AIO liquid cooler can have such a long life. Sooner or later it will die.
Edited by Just a nickname - 2/4/16 at 9:08am
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post #34 of 56
What @Just a nickname said. thumb.gif

Do what I said in the post just before his if you want lower temps. Almost everyone who follows my case airflow suggestions and monitors cooler intake temps while doing it gains at least 5c better temps, and often more. .wink.gif
post #35 of 56
Have you tried another stress test yet?
    
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post #36 of 56
Quote:
Originally Posted by Just a nickname View Post

I've seen a lot of delidding suggestion. I currently use my 4790k with a Noctua NH-D14. The cpu hasn't seen 80C at 4.9GHz. I might be lucky but keep in mind that the maximal temperature varies with the stress test you are using.
I use LinX and I think it is perfectly fine. I noticed that the voltage needed beyond 4.5-4.6GHz skyrocket.

Here are few reasons why I advice you not to delid:
1- You lose your warranty (duh).
2- CPU loses value on the used market.
3- Lower temperature has virtually no effect on performance. You might be able to get 100-200 extra MHz out of it. I really don't think it is worth losing 1 & 2.
4- You risk to brick the CPU (even if the probability is quite small).

A better cooler is the first thing I would look for.
I would stay away from AIO (all-in-one) liquid coolers. You can get high-end coolers like the Noctua D15 for the same price with similar performance and no risk of having a dead pump or a leaking unit.
My Noctua NH-D14 has been in service since 2009. I seriously doubt a lot of AIO liquid cooler can have such a long life. Sooner or later it will die.

Yes, you have all of these factors in play. Then there is the whole spending money on teh delid tool, and ~$20 on Thermal Grizzly.....all in order to use $19.95 cooler.

This whole thing is nuts.
post #37 of 56
I was pushing for the free enhancements, he didn't have to buy the delid tool and he already had Gelid GC extreme which is basically the same as Thermal Grizzly Kryonaut in terms of temperature. For no financial outlay at all he could have dropped temps 10-20*c with delid and lapping IHS and heatsink. If he can improve his case airflow by rearranging intakes/exhausts etc then do that, but if he has to buy new heatsinks, fans, TIM etc its gets expensive fast for no real gain as well.

If its free improvement, take it, if it's not free, weigh up how much you really need the extra performance, are you CPU limited in any situation currently? If not then just stop using prime95 with AVX and leave everything as is, maybe put that second fan on your heat sink though tongue.gif

To me he clearly seems interested in pushing it so I'm happy to suggest ways to get as much as possible out of his equipment, everything that has been suggested by me re delid and lapping will lower temps as will just getting a better heat sink or improving case air flow as suggested by others. However if he does all those things in conjunction he will have a very well set up system, which is what he seems to be looking for.
Edited by LiamG6 - 2/4/16 at 10:38pm
post #38 of 56
If that was my chip I would be willing to push it a little more. Toasty, but nothing ti be afraid of. What kills a chip is the voltage, not the heat.
 
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Gsvlip Dudyrm
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post #39 of 56
If this was my chip I would be making sure the CPU cooler is getting air less than 5c above room ambient, and if it was still running hot, get a good cooler. 212 is better than stock, but that isn't saying much when a half decent cooler in the $50 range will drop temps by 10-15c under heavy load .. assuming cooler is getting air close to room ambient. Oh, all decent coolers come with a small tube pack of TIM so no need to buy TIM either. Oh, and good coolers use a dob of TIM the size of a grain of rice, not the many times bigger 'pea' size dob.
Edited by doyll - 2/5/16 at 3:01am
post #40 of 56
Quote:
Originally Posted by doyll View Post

If this was my chip I would be making sure the CPU cooler is getting air less than 5c above room ambient, and if it was still running hot, get a good cooler. 212 is better than stock, but that isn't saying much when a half decent cooler in the $50 range will drop temps by 10-15c under heavy load .. assuming cooler is getting air close to room ambient. Oh, all decent coolers come with a small tube pack of TIM so no need to buy TIM either. Oh, and good coolers use a dob of TIM the size of a grain of rice, not the many times bigger 'pea' size dob.

Next time I have my CPU out, I am going to take a photo of a pea on it to reference whenever someone says they used a "pea size" blob of TIM. If you are, that is a good eight time too much.
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