Adaptive Mode vs Override and more ?

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Ruben Stolp

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Aug 16, 2013
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I have my Haswell at 4,4 Ghz now on 1,26 volt. I also read that setting it to adaptive mode will cause less power usage when my processors clock down, but I don't get the idea that they do. I OC by raising the mutliplier only. The reason why I my voltage is so high is because well, it gave me BSOD's on Prime95, and later on during casual gaming/other things as well, altho the latter might've been something else. I also read that prime95 messes with adaptive mode and gives some kind of peak voltage moments. BSODing hasn't happened since the raise to 1,26 though. I had it on 1,25 before that. But after maybe an hour or less it bsod-ed on that voltage setting running prime. I guess my chip is not a good one. Anyway, with all status-reading software I never read a drop in frequency or vcore, so why set it to adaptive mode if it's thesame as override mode. Or is the lowering of the voltage happening behind the scenes? Also, is this voltage setting bad for the longevity of my chip? Or the height of my electrical bill :p ps i have three modes in my g41 pc mate uefi bios: auto, adaptive and override mode
 
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benjii

benjii

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Your voltage is perfectly safe, so don't worry. As for adaptive voltage, it only reduces the volts when the CPU doesn't need it. Your stable voltage is what your CPU requires to be stable at 100% load, for the most part, you don't put your CPU under 100% load so it doesn't need all the volts.

That's where adaptive voltage comes in, you set it at your stable voltage, 1.26v in your case, but unless you're really stressing your CPU it doesn't need all that power, so the volts are reduced until needed. This is good for a number of reasons, it not only reduces the day-to-day voltage to your CPU, thus extending its life, it also reduces general power consumption.
 
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Ruben Stolp

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Okay that's good news :) so no comment on the fact that in comparison to other chips this vcore is kind of high. I still don't get why I'll never then be able to read a drop in either cpu frequency or voltage for that matter. But you're saying it does drop when the system has nothing to process basically, while that never shows up on any monitoring software? It also reads around 1,280 whenever I'm in the bios by the way. It says 1,280 or 1,288 under current vcore. I don't get that reading.
 
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benjii

benjii

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I'll be honest, I skimmed through your post and missed that! :p Overclocking isn't a given, so not all CPU's are good for it, you just got a bit unlucky. I'm in the same boat, my 4670k only does 4.4 @ 1.25v. As for monitoring it, I use adaptive voltage and I see a voltage drop when the CPU is idle in CPU-Z (the idle frequency reduction stops when you overclock). What do you use to monitor it?
 
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Ruben Stolp

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I use CPU-Z as well :) i also use hwinfo64. So there's wiggling around the 4,4 k frequency, but no real drop. So it seems as if it's on constant turbo mode so to speak. I remembered that I had set the power plan to max performance and changed it back to balanced. Can't find the processor-state tab for some reason, but setting it back to balanced alone should've done the trick.
 
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benjii

benjii

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I edited my post. The frequency doesn't drop when you've overclocked it, only on stock speeds. Do you see voltage decreases in adaptive?
 
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Ruben Stolp

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Well that's the thing, I don't normally see any drops in voltage. I now changed the mutliplier mode to dynamic in stead of fixed. And now it goes back to 3,4 idle clock, and jumps to 4,4 when initiating prime obviously, and concurrently has a corresponding vcore when it's on stock speed. But is this the way to go? Or should I set the multiplier to fixed. Or maybe a higher idle speed?
 
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