Downfalls of Using Constant Voltage

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Troof2Troof

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Sep 9, 2013
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Hi All,

I OC'd my 4770k to 4.5Ghz with 1.2v. 4.6 Crashes it. I guess I could bump the voltage but 4.5 is pretty cool in my book.

My question is this: Is there any downfalls of running at a constant voltage of 1.2v? I've been searching the net but can't find a definitive and in depth answer. Anyone have experience with it? Any good articles or links? Thanks a bunch!

EDIT: I have used the manual voltage of 1.2v which is constant, no matter what I'm doing. Including stress tests. Now that the stress tests are fine I changed the voltage to "Adaptive". It's my understanding that you shouldn't use this mode with stress tests. Thats ok with me, I only use my computer for light work load and serious gaming.
 
Solution
4Ryan6
Since you're already stable at 1.2v drop the voltage one increment at the time and retest with each drop.

What load temperatures are you getting?

Keeping stress load temperatures as low as possible, even though you don't run stress testing all the time, ensures longevity by running standard applications and gaming at lower temperatures all the time.
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4Ryan6

4Ryan6

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Apr 14, 2002
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:lol: You do realize this is the overclocking section right!

To the OP, I personally always use manually set fixed voltage for my overclocks, been doing it for as long as I can remember, fixed voltage yields a more solid operating system dependable results, simple as that.

I haven't lost any CPUs in the process along the way either.

 
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T

Troof2Troof

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Sep 9, 2013
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That dude is just trolling, probably mad he got grape juice on his superman pajamas.

What do you set your voltage at? For the most part, it seems like 1.2 is totally fine. It just runs constant when the system isn't under load. I like the idea of the adaptive voltage but I read that it can spike really high (usually under stress tests).
 
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4Ryan6

4Ryan6

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If 1.2 is working for you and you are 100% stable that's just fine, but if you can lower it and still remain stable running a lower voltage that's even better as it will be running cooler.

So I would experiment and see if I could run lower voltage and if not, you know 1.2 is solid.

 
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T

Troof2Troof

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Sep 9, 2013
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ok cool, ill try that. The only thing that bugs me is that I never do anything remotely intense as these stress tests. All I do on it is game and school work with open office.

What increments do you recommend lowering the voltage?

I should also point out that I just got the Intel Tuning Plan (only $25) and it goes beyond the 3 year warranty for one replacement, no questions asked. I'd like to try and max it out even more but from what I understand, it won't help with gaming.
 
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4Ryan6

4Ryan6

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Apr 14, 2002
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Since you're already stable at 1.2v drop the voltage one increment at the time and retest with each drop.

What load temperatures are you getting?

Keeping stress load temperatures as low as possible, even though you don't run stress testing all the time, ensures longevity by running standard applications and gaming at lower temperatures all the time.
 
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T

Troof2Troof

Honorable
Sep 9, 2013
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Thanks. Sorry for the dumb question but what's "one increment", .05v or .025?

The highest temps I see with HWMonitor are 78-80 at most. While running the AIDA64 stability test, they are closer to 66-75. Idle it's 29-31. All these drop 4-5c when I blast my fans but I have good luck leaving them on the lowest setting on my cases controller under normal use.
 
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4Ryan6

4Ryan6

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???

Whatever your ASUS Sabertooth Z87 BIOS settings allow, regarding voltage adjustment increments either up or down.



Those temps look normal for your clock.


 
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Y

Y0GI

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Jul 22, 2013
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Those are good temps for a Haswell chip under load. I would say that you are doing all the right things: Good temps, Nice OC, reasonable voltage setting, and from what I've read, adaptive is preferred over constant voltage because it reduces the stress on the CPU. You might try reducing voltage in steps of 0.010 volts, but 1.2 v. is a perfectly acceptable setting.

Yogi

 
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