Temps vs Voltages whats more important?

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Weeger

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Dec 8, 2013
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i think its an interesting question
what CPU will last longer , (the same cpu, 2 examples)

Example 1 .
cpu 1 = a cpu at 100%load , 5.0ghz 1,4volts (intel) and liquid cooling (50c max temps)(i know 50c is very little but imagine it)
imagine u never turn off this pc. imagine 50c is the max temp also.

cpu 2= 10-80% load 6 hours a day, hitting 75c for 3 hours with stock cooler, no overclock. pc 18 hours turned off.

Example 2
cpu1 - 1.3 volts, 4.8ghz, max temps 60c, all day PC on and all day full CPU full load

cpu2=stock volts , no OC, 80c (stock cooler) for 5 hours a day. 19 hours pc turned off.

THE Big question is if Voltage affects CPU longevity more than Temps xD ( as long as u keep the cpu cool with a High voltage )

ALso another question xD, is ANY degradation occuring in cpus at stock voltage 50c max ? i mean shouldnt they last 10+ years with these temps?
 
Solution
geofelt
It is the voltage that drives up the temperatures.
Yes, a better cooler can dissipate heat and keep the temperature lower.
I think the longevity of a cpu is more related to the voltage it runs at than the temperature.
If the temperature gets to dangerous levels, the cpu will slow down or shut off to protect itself.
If your cpu is haswell, keep the vcore at 1.30 or below and the temperature will take care of itself.
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TheConsiderateIlliterate

TheConsiderateIlliterate

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Oct 4, 2013
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Interesting scenario. If I had to guess, I'd say voltage would degrade faster than the temps.

Off topic to an extent, but I've never heard of someones CPU dying out on them from old age because most gamers/people who overclock replace their system every 2-6 years.
 
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geofelt

geofelt

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Oct 9, 2006
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It is the voltage that drives up the temperatures.
Yes, a better cooler can dissipate heat and keep the temperature lower.
I think the longevity of a cpu is more related to the voltage it runs at than the temperature.
If the temperature gets to dangerous levels, the cpu will slow down or shut off to protect itself.
If your cpu is haswell, keep the vcore at 1.30 or below and the temperature will take care of itself.
 
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Solution
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Weeger

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Dec 8, 2013
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i understand what u mean but what is better to have stock voltage stock cooler and 80c OR liquid cooling 1.25v and lower temps?
 
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geofelt

geofelt

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Oct 9, 2006
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At the same voltage, lower temps are good.
If you are thinking of the haswell 4690K, the stock cooler will be OK up to a point.
It will get loud under load, mainly because of the small fan.
Personally, I would spend $30 to use a tower type cooler and a quieter 120mm fan. I would not spend $120 for a top end liquid cooler. I would spend that on a faster chip like a better binned i7-4790K in the first place.
Then, if I had $30 available, a cooler with a larger 120mm fan.
 
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