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7980XE delidded temps whats normal?

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Just after some feedback from some 7980XE owners here, so my XE is delidded using a custom IHS from rocket cool, my temps seem pretty high even for 1.2v @ 4.5Ghz, The LM has been done twice and no change in temps so it could be a IHS issue or it could just be this CPU.

 
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It’s 18 cores... they run hot. Your temps are normal after a delid.
 
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I mean you have 5x120mm of radiator cooling several hundred watts (CPU at 4.5 GHz 1.2V, 250W GPU stock, VRMs).

That said, your CPU temps are well within limits. I don't see an issue here..... though I am surprised to see a 21C difference between cores AFTER delidding. What did you use to load up the processor for your screenshot? Needz moar infozzz.
 

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Thats pretty normal my dude. You are burning alot of watts. Stock using 360mm rad I was doing like 90ºC under full load in 15min increments.
 
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recheck the screws of cooler... recheck water pump...
 
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I mean you have 5x120mm of radiator cooling several hundred watts (CPU at 4.5 GHz 1.2V, 250W GPU stock, VRMs).

That said, your CPU temps are well within limits. I don't see an issue here..... though I am surprised to see a 21C difference between cores AFTER delidding. What did you use to load up the processor for your screenshot? Needz moar infozzz.

Yeah maybe the CPU die isn't flat giving those cores a better contact with the IHS, this was just 6 runs of cinebench not even long load times water temp never went over 35C, also L/H not sure how 145 L/H stacks up but flow rate doesn't seem to impact temps much, but VRMs do get up to 70C and CPU package gets up 92c.

Thanks for the feedback guys.
 
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Flow rate around 1-1.5GPM is optimal. It doesnt make a huge difference though in many cases.

Run something for at least 30 minutes stressing both the CPU and GPU and see where temp go. It will take that loop at least that long to normalize.
 

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Flow rate around 1-1.5GPM is optimal. It doesnt make a huge difference though in many cases.

Run something for at least 30 minutes stressing both the CPU and GPU and see where temp go. It will take that loop at least that long to normalize.
This too if your not reaching thermal soak then the numbers aren’t accurate
 
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Maybe when they make 7nm version it will have lower temps in 3-4 years ;)
 
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I'll run realbench for 30 minutes once I get home and report back thanks guys.

I think there might be a issue with the IHS or monoblock below temps are from 5 min of real bench, the IHS is a nickle plated copper IHS, I have a copper one to but LM doesn't mix well with copper.





 
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So redid my delid one more time this time around reused a copper IHS i had and sanded it down so it was clean, temps are a lot better now.

same clock and voltages

 
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Still a 24C difference between cores (even more than before)... wow.
Not really wow it very common on these CPUs, some 9980XE can have up to 40c between cores some just run hotter, If I can be assed ill move from using the monoblock and go back to a normal CPU block due to this mono being pretty crappy.
 
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I haven't experienced anywhere close to 24C (~15C, yep!) difference between cores when stress testing. ;)

I only had one 9980XE, but my 7860X is the same.



An underlying point is that the difference should not have grown when you delidded. Typically that brings them closer together... which tells me the internal paste app may not be as good as the original. ;)
 

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Could it possibly be because of uneven load on the cores? Or because there are cores surrounded by other cores? I mean, these processors are monsters. 18 cores is an awful lot. I wouldn't expect it to be as simple as the quad cores we've been rolling with for a decade.
 
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It isn't that simple, you are correct. There is a larger spread between the cores temp wise, I just never saw (at least out of my two non-delidded CPUs) values over 20C between the cores. Even online most I ran across were under 20C.

Some cores may be throttling? No idea. I know mine are all full speed ahead in that SS. :)

I don't think this is a problem per say, but just mentioning my surprise at the difference. ;)
 
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I haven't experienced anywhere close to 24C (~15C, yep!) difference between cores when stress testing. ;)

I only had one 9980XE, but my 7860X is the same.



An underlying point is that the difference should not have grown when you delidded. Typically that brings them closer together... which tells me the internal paste app may not be as good as the original. ;)

You just got lucky, this is my 3rd 79xx chip and they all range in temps, CPU was already delidded in both tests just because the range might be a tad higher but the temps are lower, meaning the 1st paste app wasn't as good.

It could also be due to the monoblock having a round mount and not square, but doing a quick search there are more than just mine with these ranges.



Here Gamers Nexus input on this to.

 
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I'd call that a bad chip (GNs)... 30C difference...lol.

The first shot of coretemp doesnt feel relevant or a balanced load at all. How can a stress test make a core reach 33C (like 10c above ambient) and one 71C? Not a good example, especially with zero context or links. Who know what the hell kind of load that was...notice the minimums are 5c off?

Anyway, enjoy your CPU.:)
 
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I'd call that a bad chip (GNs)... 30C difference...lol.

The first shot of coretemp doesnt feel relevant or a balanced load at all. How can a stress test make a core reach 33C (like 10c above ambient) and one 71C? Not a good example, especially with zero context or links. Who know what the hell kind of load that was...notice the minimums are 5c off?

Anyway, enjoy your CPU.:)
Thats at stock thats why mate I never said it was overclocked my CPU doesn't go over 60c when running no overclock, I think it more you got lucky than these people have bad chips heres a 7900x 4.8Ghz.



 
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