![]() ![]() So any extra TIM is actually in the way and counterproductive to the heat transfer process - even with the best quality TIMs.Īlso, remember it is the case's responsibility to provide a sufficient supply of cool air flowing through the case. The best, most efficient transfer of heat occurs with direct metal-to-metal contact. Remember, the purpose of the TIM is to fill those microscopic pits and valleys in the mating surfaces to push out any trapped insulating air. The idea is you apply a layer as thin as possible, but still have complete coverage. So using those descriptors really does not work. If you " need" the extra few degrees of cooling a fresh application of TIM might provide to alleviate thermal issues (throttling or shutdowns), then you have greater problems than just aging TIM that need to be addressed more urgently.Ĭlick to expand.So just to be sure, when you took it off to have a look, you then thoroughly cleaned the mating surfaces and applied a fresh "new" layer of TIM, right? You should NEVER reuse TIM.Īnd peas come in different sizes. ![]() The only reason TIM comes in a liquified form when new is so you can squeeze it out of the tube and spread it evenly, thinly, and smoothly across the CPU die. So if the bond is not broken, it does not need to be replaced.Įven if it dries out, it does not need to be replaced because the heat "conducting" solids that remain are still doing their job of filling the microscopic pits and valleys in mating surfaces, thus preventing any "insulating" air from getting in. Not one! And they sure would if it was necessary to prevent bad publicity (due to degraded performance issues) or to increase sales of more TIM products. Not one TIM maker, CPU maker, cooler maker, motherboard maker or computer maker recommends replacing the TIM just because X number of years have passed. It will easily last 10, 15 years or longer AS LONG AS the cured bond between the mating surfaces is not broken. I took it off to have a look see if it was getting contact and the paste was smeared all over the CPU when I do pea method.Īnybody else with a 4790k had these issues? Is this a common problem with a 4790k?Ĭlick to expand.TIM (thermal interface material) does not "go bad". The block is getting ample coverage to the CPU. Has the paste finally gone bad on the 4790k and do I need to delid? I cant seem to find any other reason why this CPU is over heating when the (2) 4770k's are not. #INTEL XEON HEXA 6 CORE VS I7 4790K WINDOWS#Also windows would like "Freeze" for a second or two and I was wondering why. I noticed that the 4790k was dropping from 4.4Ghz down to 4.1Ghz and the voltage was dropping with it. I have not changed any other voltage's beside the CPU voltage. All CPU's have been tested on this particular board with RealBench 15m stress test. The board is a Z97X UD5H BK and this is all on a custom loop. ![]() The 4790k will overheat on the default voltage which is around 1.3v 4.4Ghz Now, both 4770k's are able to do 4.5Ghz 1.3v around the 70°c mark give or take. Ive been playing around with some Haswell i7's. ![]()
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