lNerdyComputerGuy,
The maximum recommended long-term Vcore for 22 nanometer processors is 1.300 volts. Your Core voltage is far too high, which has degraded your processor. You're seeing it first hand, and it is
not reversible.
Excessive Vcore may result in accelerated "Electromigration" -
https://www.google.com/?gws_rd=ssl#q=Electromigration
This prematurely erodes the traces and junctions within the processor's layers and nano-circuits, which will eventually result in blue-screen crashes that become increasingly frequent over time. As a rule, CPU's are more susceptible to Electromigration with each Die-shrink. However, the most notable exception is Intel's 14 nanometer Microarchitecture, where advances in FinFET transistor technology have improved voltage tolerance.
Here's the maximum recommended Core voltages per Microarchitecture from 14 to 65 nanometers since 2006:
When tweaking your processor near it's highest overclock, keep in mind that for an increase of 100 MHz, a corresponding increase of about 50 millivolts (0.050) is needed to maintain stability. If 70 millivolts (0.070) or more is needed for the next stable 100 MHz increase, it means your processor is overclocked beyond it's capability.
The only
temporary fix for Electromigration is to further increase Vcore, as you've done, which will only accelerate the degradation process. The better alternative is to reduce Core speed and voltage, which no overclocker wants to hear.
I have a G3258 in my wife's rig which has been OC'd to 4.7GHz at 1.29 volts since I built it in early 2014. I have another in my niece's rig OC'd to 4.6 at 1.28 volts which I built for her in 2015. Both run cool on Hyper 212 EVO's. To get my niece's stable at 4.7 required more than 1.335 volts, which I was not willing to risk. The difference between 4.6 and 4.7GHz is less than 2.2%, which has no noticeable impact on overall system performance. It simply isn’t worth pushing a processor beyond recommended Core voltage and Core temperature limits just to squeeze out another 100 MHz.
A few days ago I saw another forum member with a G3258 OC'd to 5.0. I don't recall the voltage, but since it didn't catch my attention, it couldn't have been exceedingly high. It's the Haswell edition of the Silicon Lottery. He got one in the top few percent, I got a few that were decent, but unfortunately, your sample wasn't so good. Sorry, but that's just how it goes.
Your CPU is dying. If you don't want to be replacing it any time soon, then I recommend that you dial down the Vcore and Cache to no more than 1.300, and live with whatever OC that voltage will give you. This way you can plan for a replacement or upgrade, rather than being taken by surprise one day when it'll no longer boot.
Sorry I don't have better news for you.
CT