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Voltage or heat?

post #1 of 14
Thread Starter 
Namaste.

This has been in my mind for a while, finally decided to ask.

Is heat the only cause of component degradation? If you were to pump, let's say 1.7v into an E5200 yet keep the temps well within the safe amounts, will there be any degradation?

This post by CL3P20 explains pretty well on how heat is what kills a chip and it made a lot of sense to me.

This article also makes a convincing argument.

So am I correct in thinking that high voltage is not recommended due to the increased temps which in turn causes degradation?

And that it's fine to use high voltages if the temps are fine?

Thanks in advance .

P.S. I'm new here .
post #2 of 14
Heat kill's faster then Voltage.

u keep temp's in order. and u can pump some voltage in that chip

yes, high voltage is not reccomended for stable long term use.

However. Degredation will occour shortly after assuming the voltage is higher then Intel/amd Spec.

and at 1.7V.. yes that chip wont last to long.. perhaps 3-4 year's. but degradtion will happen perhaps with in month's or even week's. when degredation happen's the chip will need more and more Voltage to maintain it's current clock's. and if this happen's u fry your chip.

High heat will simply kill the chip. it isnt a long term issue. Voltage is.
Edited by Yoko Littner - 1/16/11 at 7:10am
    
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post #3 of 14
just curious are you herby on GLK??
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post #4 of 14
not that i know of


Quote:
Originally Posted by black!ce View Post
just curious are you herby on GLK??
    
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post #5 of 14
Heat kills slowly over time. It's impossible to instantly kill a chip with heat because they have thermal throttling and shut off fail-safes.

Voltage can kill a chip instantly, quickly, or over time, depending on how far out of spec it is. Heat will speed up the voltage degradation process.
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post #6 of 14
There are a few issues.

1. Voltage CAN kill a chip even if you keep the temps in check. For example if you put 1.7V into a 2600K and kept the temperature under 80C it would be dead very quickly.

2. Lower temperatures can prolong the life of a CPU. However, if you bring the CPU down to sub zero temperatures, you can pump more voltage into the chip.
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post #7 of 14
Thread Starter 
Quote:
Originally Posted by Yoko Littner View Post
Heat kill's faster then Voltage.

u keep temp's in order. and u can pump some voltage in that chip

yes, high voltage is not reccomended for stable long term use.

However. Degredation will occour shortly after assuming the voltage is higher then Intel/amd Spec.

and at 1.7V.. yes that chip wont last to long.. perhaps 3-4 year's. but degradtion will happen perhaps with in month's or even week's. when degredation happen's the chip will need more and more Voltage to maintain it's current clock's. and if this happen's u fry your chip.

High heat will simply kill the chip. it isnt a long term issue. Voltage is.
But isn't the degradation only caused by the increased heat that the higher voltage causes? Wouldn't it be possible to prevent this degradation by keeping the chip cool?

Thanks for the quick reply btw.

@black!ce, Yep, it's me. Doc right ?
post #8 of 14
Quote:
Originally Posted by Uuo View Post
But isn't the degradation only caused by the increased heat that the higher voltage causes? Wouldn't it be possible to prevent this degradation by keeping the chip cool?

Thanks for the quick reply btw.

@black!ce, Yep, it's me. Doc right ?
No. The momentum of the electrons can actually move materiel around inside the chip.

http://en.wikipedia.org/wiki/Electromigration
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post #9 of 14
Voltage Degredation is Tied to voltage. Temperature no matter how low will stop this. however it can slow this down.

it cant be avoided at all once high V is implicated.


Quote:
Originally Posted by Uuo View Post
But isn't the degradation only caused by the increased heat that the higher voltage causes? Wouldn't it be possible to prevent this degradation by keeping the chip cool?

Thanks for the quick reply btw.

@black!ce, Yep, it's me. Doc right ?
    
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post #10 of 14
yesh i am xD welcome to one of the greatest forums in teh world !!! and what gave me away?? was it my rig?? xD
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