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How-to-undervolt-AMD-RYZEN-5800X3D-Guide-with-PBO2-Tuner

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[_SkoR]

My cpu is now running at 7.0ghz and runs at 90c thanks chris!

[notblazedfordays]

I’m still using the PBO2 tuner setting from the video you did well
Over a year ago. Been working like a charm! 😀

[rafaelpapaioannou]

Glad you came back my brother.Keep up the good content!

[Brandflakes]

Great video Chris!

For AM4 X3D chips they cant do a boost override unfortunately stuck at stock speeds (think this only applies to 5000 series X3D chips IIRC), PBO limits also cant can't go higher than stock either also worth noting for OC. Think this is AMD's OC protection I think to not cook the 3d cache from higher power draw tuning.

With elevated PBO limits I was able to get my 5950x to 31k in Cinebench from raised PBO limits and corecycled CO, this was air-cooled with a NH-D15 but drawing 190w.

For 5800x3d tuning mostly what I see is lower PBO limits, -30 CO or a bclk OC but requires RAM timing adjustment to keep in snyc it is mega annoying as RAM is such a pain to tune and time intensive. I think 9000 series is going to allow for higher PBO limits to be used for x3d chips for full OC tuning.

To get further into OC or UV by adjusting pbo limits PPT, EDC and TDC this can also help definitely in non-x3d CPU's if looking to get that boost in power although AM4 X3D chips cant go higher only lower so you can reduce them a little too have the chip use less power run cooler while trying to maintain boost clocks takes a bit of fiddling -5 here and there. I use 125PPT/125EDC/90TDC for my 5800x3d.

As for the BIOS stuff I believe later BIOS revisions now allow PBO settings in BIOS it may be mentioned in the motherboards BIOS update lists on the boards site as a note but going latest will be sure to get the job done.

5800x3d chips are also mighty chips typically able to just run a -30 all core offset for CO I haven't ran into a case of anyone in the servers I'm in not being able to do this from my experience unless they bclk OC their X3D chip to get that bit more frequency.

For adjusting PBO limits, The Graying Tech has a good video on how to adjust PBO limits this although I prefer to use HWinfo over Ryzen master with this method and adjust in BIOS, the OC Reddit and discord server advise against using software to OC and tune for accuracies sake so using HWinfo to monitor makes this easier as it logs min, max and avg values makes taking notes easier for dialing in those limits when measuring maxed used limits in there and core frequency's there, he talks through how to tune limits for max performance. The same method applies for UV limits just gotta maintain the stock clocks but very useful to know how to do. You can find it on his channel, it's titled - adjusting Ryzen CPU performance with Ryzen Master part 3.

Keep up the awesome content!

[madmax-oxdz]

7:14 VDDIO on 1.350 is insane.. absolutely wild with your settings.
I run a 6400mhz overclock with 30-38-38 and my memmory controller will run all this at 1.2700v.
Without the overclock i could bring that down to 1.050-1.100.
Please look into that bro, it saves temperature and therefore ur gonna boost higher.
I don't know what your vsoc voltage is either but looking at the vddio settings its probbaly waay to high aswell.
Without my infinity fabric overclocked to 2133mhz i could run 1.050v at 2000mhz on the vsoc voltage 100% stable. ( in conbination with just the stock amd expo 6000mhz ram profile ).
So have a look there at your settings and start pulling things down, ud be surprised as to how low things can go on these platforms.

My specs :
7800x3d
Msi carbon wifi x670e.
Gskill 6000mhz 30-38-38

[OpenEyeGamingANDReviews]

Interestingly, I noticed something that might have gone untested by others. When I set the CPU Boost Clock Override to 200 on my 5800X3D, my CPU only boosts to a maximum of 3.6 GHz

I tested with Curve Optimizer settings at -10, -20, -30, and even disabled it, but the same issue persists.

Mine runs perfectly at -30 at 4.450 mhz, so I am sure I can live without the extra 200 boost.

[AndrewsFKS]

I managed my 5600X to boost almost 5ghz, 4970mhz+ and 12~15C temperature decrease with -23 curve, 200mhz cpu override and LLC curve 4.

[Funkybadger]

Brilliant video :) we’ll edited and very informative ❤ thank you

[surpriseblueviana]

Can you make a video on this bios what are the most important settings to get ON or OFF?!

[halligalli]

Try disabling ccd1. it will work wonders in terms of temp and 0.1% lows. ue4 benefits from disabling smt and rbar and fast ram to let the gamthread running faster on the main core

[dmanpoole]

I have a question about one of the Optimization guides you did brother. I have 7950x3D and 4090, however I find that I have really inconsistent 1 percent lows and 0.1 percent lows are bad. Can I connect with you directly to better garner your perspective on this?

[ackz]

delidding would be so op, der8auer has proven it to be awesome

[Az-]

Undervolted my Rtx3090 runs at 47 degrees playing Valorant. And even in practice when I look at the wall without bots enabled I get 1250 fps and it runs at 47degrees C!

5800x I did the curve optimisation -10 and the temps stay around 55 Celsius in average. 4850 mhz boost clock!

[Lolliswonderland]

i always get inputlag when i use curve optimizer, so i disabled PBO, Curveoptimizer and Override and it runs faster than stock, can you tell me why?

[dawnster]

Should CStates & Spread Spectrum be disabled on a 7800x3d? Also Gear Down Mode?

[diehard]

Спасибо!
Мой 5600x спокойно заработал на -30 на все ядра и частота 4750mhz в battlefield 5

[joseantoniosanchez]

Pls Chrys we want the all bios settings with explanation, thanks mate!

[SWIIAMS]

can u do a amd bios settings video . keep up the good content

[ReaperHackz]

Using the 5800X3D with my MSI mb i just use the KBOOST mode lvl 3 and it works great since we have no real way to OC not alot of info on it but hey it works lol.

[Jonno]

so for ryzen 5 3500u with integrated graphics 8, aspire a515-43 laptop, do I just undervolt with ryzen master?