Quote Originally Posted by Demon_Giri View Post
Don't confuse turbo power limiting with undervolting here.

Turbo power limits just say that when the cpu goes into turbo, it can't draw more than a certain wattage

Undervolting actually reduces how much power you're giving the cpu at all times

When UNDERVOLTING, you'd want to make extremely small adjustments (in volts), but the wattage change you made on the power limit honestly isn't huge.

Intel's official specs for your processor are:
Processor base power: 55w
Maximum turbo power: 157w

With the i7-14700k as an example, people usually recommend power limiting that one for exactly what Intel's specs on it are, which is 125w and 253w respectively, so let's just try setting yours the same way.

This would be 157w (or you can leave this at 150 if you want) for your short duration, and 55w for the long duration.

55w is the wattage for base frequency, so this will probably keep it from running at turbo speeds over long periods of time. If your performance is noticeably worse with this but you're not crashing anymore, you might be able to play with slowly raising it back up little by little until you find a sweet spot.
Learning a lot here, so thank you for bearing with me.

Ok, so basically long/extended duration is a reference point of what power it likes to be at average (set between 55-157W for my processor) but it can go above that point. Short duration power is a cap on what power it can go up to for short bursts (157W max for me). The 56s setting is duration over which the power needs to average at the long duration reference point, and so it'll de-turbo if it starts averaging above. Just like to know what I'm messing with here.

And some good news, I found the overclock on/off switch (power & performance > CPU Managemant > Configure CPU Lock Options (at the bottom) > Disable Overclock lock), so I can finally edit those 52x/56x on the Pcores. Only seem to be able to edit them in the BIOS and not XTU, but that's fine, I know my way through that maze now.

If I'm understanding those, 52x means 52 times the clock speed (100 or 102.4MHz I'm guessing?) for ~5200MHz.

For my current test, I set short and long to 157W again and all Pcores to 52x instead of two at 56x and 6 at 52x like it's been all this time. Afterburner was showing 5242 and 5141 as the top two speeds. Temps are up in the 80C's but I didn't see any peaks in the 90C's. No crash yet after 7.1 dungeon and a frontline. It's entirely possible ffxiv just doesn't like mix-matched core speeds, and why the crash seemingly happened more often in graphically modern or crowded areas, but could still happen anywhere if the right processes hit that core speed discrepancy.

The one question I have about the Pcores at the moment, and just using arbitrary numbers here. Which is better for the CPU's long term health:
>52x/5200MHz and 8-11% usage (current)
>45x/4500MHz and 15-20% usage (rough estimates here)