6700k Voltage Concerns...

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RoyBattey

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Sep 13, 2016
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TLDR - concerned that high voltage (1.48v) may have reduced 6700k's lifespan.

I've owned an i7 6700k for around a year now and was always a little concerned about the temperatures I was seeing. Under load, I would average around 78c and hit a maximum temperature of 85c. After some investigation, I realised that the voltage was the issue and not the cooler, an EVO 212. I was hitting 1.48v at stock clocks (I don't know how frequently)!!! Last week, I was finally able to successfully undervolt to 1.25v (I had been trying for a while but my bios didn't like the offset option, so I had to go with adaptive in the end) and I am now getting 58c under load with a max temp no higher than 66c! So, I suppose I need a little reassurance from someone more expert than me as I am still a little concerned about how high the voltages were before - will this have reduced my CPU's lifespan? I bought such a high-end CPU so as to not need to replace it for a while!

Thanks in advance!
 
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Decends

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Jul 3, 2016
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If i were you i would try to get a replacement processor from intel. Tell them that the CPU was defaulting to 1.48 volts at stock speeds and im sure they would be likely to exchange the CPU for a new one. Chances are that 1.48 volts severely shortened the lifespan of that CPU.
 
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n0ns3ns3

n0ns3ns3

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May 25, 2016
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It has nothing to do with CPU.
Usually MB issue and usually just a BIOS settings.
 
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Decends

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I'm just saying, it would be a good idea to replace that CPU with a new one. He has no idea how long it ran at 1.48 volts. That voltage is EXTREMELY BAD AND DANGEROUS for the CPU and its life span. Really, its a miracle the VRMs or CPU didn't give out at that much voltage. Chances are his system shaved many years off of the CPU's life span. Which isn't the OP's fault, its either the CPU or the motherboards fault.
 
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Dikyashi

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Aug 15, 2016
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1.48V is extremely bad.If anything it should be 1.4 volt at max .We cant estimate the damage it might have caused.However if the processor is still under warranty then i suggest to wait for few months and see if anything bad happens.If something bad comes up Apply for an RMA.If you are lucky intel might just give you an i7 7700k processor :p
 
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Decends

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Temperatures are not only concern here. Electromigration is another factor. In this case the 1.48 likely caused a huge amount of unnecessary electromigration that just shortened the CPU's life span by a big amount.
 
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Dikyashi

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Aug 15, 2016
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if it was on autoprofile we cant estimate the damage it might have caused.It could hit 1.2 very often or could always stay at 1.48.There is not enough evidence to support how much damage the cpu has suffered.

 
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Decends

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I would personally want to replace the CPU while the system is still young and isnt being used for essential things yet. It would be terrible to have to replace it when the system is needed very often later down the road. As for how long we dont know it was hitting it, chances are it likely hit that voltage constantly during most games. And lets not forget the expression "Better Safe than Sorry."
 
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n0ns3ns3

n0ns3ns3

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May 25, 2016
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I truly doubt that this CPU was running at 1.48v at load as it would hit the thermal limit with EVO 212 way to fast.
No every liquid loop would be able to keep it cool enough to ran at those voltages, not to mention that not every MB will be able to provide that.
that's why i'm less worried and would be just reseting the bios and updating it to the latest version
 
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RoyBattey

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Sep 13, 2016
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Thanks for the responses guys.

I used multiple programs to check these things (HW Monitor, IXTU, and MSI Afterburner) and the readings were very close to each other, so I don't see how they were somehow wrong as much as I wish they were. Besides, if the readings really were higher than reality, then wouldn't my rather significant udnervolt be too low for the CPU to run? 1.48v is just the max voltage I noticed, the average may have been lower. Would a benchmark be able to tell me whether any damage has been done? I ran the XTU benchmark recently and scored 1230 marks after I applied my 1.25v undervolt. I used the adaptive setting in bios to essentially set a max voltage of 1.25v since offset wouldn't work (which is the reason why I've had such high voltage for so long).
 
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