Core i7-8700k - needing 1.3v for 4.8ghz, 1.35 for 4.9ghz... worth delidding?

doyll said:
I've only done a few delids, but I used just a spot of super glue in 2 opposing corners. That way if you want to take if off again a little acetone or fingernail polish remover will easily dissolve it so IHS can be removed easily. ;)
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Exactly my reasoning with epoxy. Just a dab on each corner, sharp knife will slice through it. The gasket stuff seems a bit heavy if you use it all over. Plus I already had epoxy ;)
 
LuckyBenski said:
Personally I'd buy the liquid metal and some epoxy for the same price, and you can redo it 5 times, do it for mates etc. Seems like you're the tweaking type. But then I'm a chronic DIYer and buy every tool...
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You're right and I tend to be as well and if I ever needed to do it again, I probably would buy the stuff next time
 
Good news folks - result!

Got my re de-lidded CPU back and it was well worth it - very neat job the guy did (sent me pictures) and I have peace of mind that the contacts near the CPU die have been varnished off.

The newly done CPU now sits at 70-75oC across the board in Prime95 so I'm very happy I took the gamble :D


5ghz_re-de-lid.png
 
CPU stabilises at around 76-77oC on Prime95 with Large FFT's stress testing.

So you could say I've gain a few degrees across the board but that might be a bad application of MX4 on the top of the IHS - not sure.

I'm still happy that all cores are around the same temperature and nothing is cooking itself in the mid-80oC region though so still pleased I got it done

I've got test running at the moment since 9am and I thought it had 'failed' at 9:30am (nearly went proper mad at some instability). Turned out that the PC has simply put itself to sleep after I reinstalled Windows last night and it has default to a 'balanced' power plan which puts itself to sleep after 30 mins! :D Will see if that lasts the day without crashing...

During gaming, temps across all cores was about 49oC so I was pretty happy with that :)
 
Final update - stress test with Large FFTs passed 8 hours with no crashes at 1.320v - happy with that results and branding it with the 'stable' overclocking stamp :-)

Time to actually put my CPU to use and enjoy it :-D
 
TerminatorUK said:
Final update - stress test with Large FFTs passed 8 hours with no crashes at 1.320v - happy with that results and branding it with the 'stable' overclocking stamp :)

Time to actually put my CPU to use and enjoy it :-D
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small fft's are the one to use to test cpu overclock. large fft is more for ram and memory controller
 
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