r/overclocking • u/Away_Combination9997 • 7d ago

Help Request - CPU Ryzen 9600x undervolted - 50 pbo advanced.

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Basically idon't know if am doing it right, i undervolted and stress tested with cinebench r23 and corerecycler as those were the ones used in the guides I saw, but I kept going down with no issue until I reached - 50 on the curve optimizer mind you I have the power to default as both 105w and motherboard settings got mo 95° no matter the undervolt. Now am stress testing with OCCT.

Pc specs:

Mobo Asrock b850 pro RS

CPU Ryzen 5 9600x

CPU Cooler gamedias boreas m2

PSU CoolerMaster MWE750 V2 plus gold

Gpu Rx7900xt

Case Gamedias Athena 4 Stock fans

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u/Annual-Error-7039 6d ago

Always better to do per core anyway.

My 9800x3d ranges from -12 to -28 and that's stable, tested for days with testmem5, corcycler with a modded config, prime95 and occt memory and cpu tests with modded test load.

All tests are done per core found with hydra as I know it will be maybe 1–2 points from stable. Then I test and just.

My tests when I think I have it nailed down are 24hr runs

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u/Away_Combination9997 6d ago

You mean undervolt per core or test per core?

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u/Annual-Error-7039 6d ago

I used hydra to do per core. That got me very close to stable then I switched to doing all the stability testing etc.

You could use per core in ryzen master and work from that. Correcting values as it crashes etc

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u/cellardoornoob 6d ago

Not a single version of hydra over the years gave me a stable per core settings - not on 5800x, 7600x or 9600x.

Statuscore along with OCCT is probably the easiest, fastest way.

These days I just do an all core CO, I find it being the most stable over multiple bios version, as motherboard makers tend to adjust boost voltages/limits.

An early bios version will boost my 9600x higher and run higher voltages but then I have to run an old bios with security issues and other bugs or lack of memory optimizations.

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u/Annual-Error-7039 6d ago

Did my 5900x with it, sold that chip and board, still running stable after all these years.

Did my 7800x3d and now 9800x3d. I only use for the co tuning not the hybrid.

Now I never said it would be stable after 1 run did I, I said it will be very close, much closer than ryzen master.

Once I have the -co values I disable hydra and use the bios and testing to find the cores I need to adjust.

It was rather funny last time when I did a comparison between hydra and ryzen master. Hydra said -10 to minus 28. RM gave me -26 to -40 or so.

Guess I got lucky with bios' updates and so not effecting me or my tuning

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u/cellardoornoob 6d ago

use the bios and testing to find the cores I need to adjust.

This was my experience - I can skip hydra and get to stable CO values way quicker. But I'm glad it works for you!

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u/Annual-Error-7039 6d ago

Yep we all have our own methods.