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Problems with increasing Vcore?

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I know that increasing the Vcore also increases heat generation inside the case, but let's say that wasn't a problem. 🙂

I've also heard people talking about increased voltage resulting in decreased lifespan. From what I heard, it's roughly 2-3 years for every 0.10 increase in voltage. Is this true?

Are there any other problems that could arise from increasing cpu voltage? And do these problems also pertain to increasing vdimm?
 
well, your mobo can only support it so high, so that of course is a concern. obviously burning it out, but in your hypothetical world that doesn't matter. and with the lifespan, i doubt it is that dramatic. i had heard at the very most a 1/2 decrease in lifespan, so if it is ten years then well, you'd have five. other than that, it is how much the mobo and the processor itself can take. oh, and the psu, but in your ideal world that probably wouldn't be a problem either 🙂
 
Well, the obvious...Pushing it too far could kill the cpu pretty fast, as well as on the vdimm. Most mobo's don't allow you to play around too much with ram voltage. Maybe increase it 10% but that's it.

I don't know the calculations on lifespan. I don't think anyone has it down to an exact science...
 
I seriously doubt that increasing Vcore will lower the lifespan of the processor unless you put enough through to burn out the chip. People say that all the time, but I know a lot about transistors and diodes, and as long as you don't overheat them they are fine. I have never seen a link to any study or anything saying that increasing Voltage by X will decrease chip life by Y.

Seriously chips don't even have a lifespan. They have no moving parts, so are quite unlikely to ever quit. More often than not an external event will kill the chip to end its days, such as a motherboard or power supply surge.

Increasing the voltage will substantially increase the current though, meaning that you will have more heat to get rid of. As long as you can get rid of the heat it is no problem.

Here is an IV curve of blue and white LEDs.

As long as you can get the heat out of the semiconductor so that you do not destroy the crystal it is made of you will not damage the semiconductor.

So what I am trying to say is, as long as you don't increase your voltage to the point where you can't keep your CPU cool, you are fine. Increasing the voltage .1 or .2 volts should not be a problem with proper cooling. It's not going to take years off your chip.
 
I've read posts about a CPU that use to do 300MHz FSB, and now, the poor thing is stuck at 250MHz. These are Winchester CPUs. I suspect the user may have toasted the CPU by applying too much voltage.

I will push the CPU up to 1.65Vcore for about 5 min for testing. 1.55V is about the max for everyday use. If you don't have a good CPU cooler, then stick with 1.475Vcore.
 
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