Originally Posted by adequatelength
Thank you again for your feedback!
So I am just curious now that you mention it, do you know what causes Vdroop? Electrical resistive losses? Is it normal to have such a large Vdroop between the VID and Vcore as mine is? (Is this indicative of a poorly performing motherboard?)
Thanks for confirming the voltage is safe. From what I've seen people recommend 1.5 V as an absolute max for the 3570k, so it seems I'm OK in that regard. I'd like to use this computer for another 4-5 years if possible (just picked up a new GTX 1070
). So 1.24 V is safe, would you say it's low enough to where I don't need to worry that i'm significantly shortening my CPU's lifespan?
Finally, I've been focusing only on Temps/VCore to determine health/safety. Are there any other important parameters (other BIOS settings, other voltages, etc) that I need to check to make sure everything is OK? Or am I pretty good with just these two (Temperature, VCORE)?
Thanks again for considering my questions!!
I really appreciate it.
You're quite welcome, adequatelength!
Intel designed CPUs to have vDroop. This is kind of a safety feature so that dangerous micro spikes in voltage don't happen. On the lowest quality motherboards (like boards that shouldn't be used for overclocking lol), eliminating vDroop can result in these spikes and they're impossible to see without special equipment to monitor the voltage. Fortunately, today's boards that are safe for overclocking - like yours - don't allow this problem to occur. So, eliminating vDroop is pretty much safe because the motherboard is designed to make it safe.
You asked if it's normal to have such a large vDroop between the VID and the vCore. The VID isn't an actual voltage that is being supplied to the CPU. It's just a specification, more or less. It's what the voltage probably needs to be at in order to keep the CPU stable at that clock and at that multiplier - even though we usually find that we can set the voltage much lower, probably thanks to our good motherboards. The only time you need to pay any attention to the VID is when calculating what your Offset voltage should be set to in order to achieve your desired voltage at full load. With absolutely no vDroop, this can be a very simple mathematical calculation. With some vDroop though, it's not quite as simple as that - but it's still easy. Of course, you could just set the Offset blindly and then experiment, but that's harder and more time-consuming. Yet, that's the way most people do it because almost no one knows any better and so almost no one is teaching it.
Ivy Bridge's voltages are a funny thing. Some Ivy Bridge CPUs have a safe voltage range that's very similar to Sandy Bridge while others have a much lower range. The ones with the lower range tend to do enable about 4.5 GHz with roughly the same voltage you're using, or lower. The ones with the range that's similar to Sandy Bridge need well over 1.3V, like closer to 1.35V. All these voltages that I am talking about are only as seen in CPU-Z while the CPU is under full load. I'm not talking about the voltage setting in the BIOS. You want to always go by what CPU-Z shows you under full load.
Even so, degradation won't occur if all you're doing is gaming. There's a guy here on OCN named $ilent who experienced degradation to his Sandy Bridge CPU, but it was only because he had his voltage at about 1.408V, his clock at about 4.8 or 4.9 or maybe it was 5 GHz, and he had a full-load on it 24/7 for several months. Yeah, several months, like, easily longer than half a year. I think he was Folding or Mining. I forget which. Anyway, the degradation was so bad that he had to drop is clock down a few hundred MHz so that he didn't have to increase his voltage. Other than that, his CPU was still fine - just not quite as awesome of an overclocker anymore. It was no big real really. Degradation isn't quite as horrible as it might sound.
So, whichever of the two safe ranges your CPU has, you have nothing to worry about at all. Even if you have the lower of the two ranges, your still well within the safe area.
Regarding other things to make sure you pay attention to, I'm not 100% sure when it comes to Ivy Bridge. Sure, both Sandy and Ivy Bridge are very similar, but even so I'll have to leave this one up to someone who can give you a more confident answer.