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degredation

Never black and white , usage , how long voltage stays applied at that under load , temperatures , environment .. It all plays a part and only you after a year could come back and tell us ... I'm sure 8pack would be able to tell you how fars to far for 24/7 but I can only imagine the situation will effect every CPU differently .

Imo I'm sure it would last but having never ran a chip that much above stock voltage for that amount of time I can't attest to stability .
 
I would have thought it depends on the chip too. I think a 2600k would withstand voltage better than a 4790k.
 
A certain amount will depend on how much VTT voltage is required - that will often kill most modern Intel CPUs far quicker than vcore.

1.4v is in the "it'll probably last for a couple of years or more but theres a moderately higher than normal chance it might croak tomorrow" range.
 
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It will probably become increasingly less stable long before it dies, I think instant death is usually when you put 1.8V or something ridiculous through them or go mad with the other voltages (system agent, uncore etc).
 
Turbo boost ftw, no need to worry about life expectancy ;)

I'm running 4.2GHz at just under 1.1v, can probably push it further but no need to. Enjoy nice low clock speeds at idle, then a full 4.2GHz when needed :)
 
Turbo boost ftw, no need to worry about life expectancy ;)

I'm running 4.2GHz at just under 1.1v, can probably push it further but no need to. Enjoy nice low clock speeds at idle, then a full 4.2GHz when needed :)

My mobo clocks my 4790k down to 800mhz at idles no matter what I set the max frequency at.
 
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