FIXING MY MISTAKES…. Ryzen RAM Testing REVISITED

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A few weeks ago I posted a video titled “I CAN’T EXPLAIN THIS…. Ryzen RAM Testing”, which was me testing out various RAM speeds using this Ryzen 5600X and RTX 3080 PC. I couldn’t make sense of the results. The slowest two speeds, 2133 and 2666 were often significantly faster than 3600 which was the fastest speed I was testing. So, in this video I'm revisiting it, testing out your suggestions, and as a bonus testing PBO on a 5600X!

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FIXING MY MISTAKES…. Ryzen RAM Testing REVISITED

TechteamGB

[TechTechPotato]

Now see if ddr4-4266 memory on the 2:1 divider drops the power draw down again to 2133 level 😉

[TeatimeTom]

Not sure how I missed this follow up. Thanks, Dr. Cutress.

[thaddeuscosse]

Damn I didn't even think about that. Glad you did a follow up on this! His was an awesome video from a viewer engagement perspective!

[DrexxLaggui]

good job figuring it out! very helpful to the community, thank you

[Zetharion]

This is some really interesting information that I dont think I have seen anyone else cover. Glad I followed TechTechPotato's retweet to watch the video.

[welshtony]

No one ever talks about this limitation. Thank you for this revisit. Hopefully will teach a few people a thing or 2.
Great video Andrew

[bgtubber]

Excellent investigative work! The IO dies on Ryzen 3000 and 5000 series are made on the 14/12nm process. I wonder what power savings can be had if/when AMD starts making the IO die on 7nm. That would hopefully free up more TDP for the cores for even higher frequencies or more power efficient CPUs.

[DrToly]

Nice! I've been wondering about these power limits for a while. It'd be great if you can try both the 5800x and the 5900x, just to see how it'll scale up to 2 chiplets.

[flightlesssquirrel]

I enjoy watching videos about RAM tuning but I can’t be bothered to do it myself. XMP is enough for me.

[BuzzKiller]

This is really interesting. I appreciate the follow up!

[shane]

Thanks, updated by 5600x settings. Probably next month I will install a new bios which will reset this and xmp and I wont realise

[liaminwales]

Came from tech tech potato, you got a new sub.
Love to see videos on more funky subjects like this, amazing no one has looked at IO power use like you have.
Good work!

[BrianLongoria]

Very interesting. Great job! Neat TTP chimed in here. Good on both of you. Cheers!

[cypher]

Would love to see results for 5950X as that's what I have. Great find and video nonetheless! 👍

[aowwar]

Question? I have a G.SKILL Ripjaws 16gb 3600Mhz but it runs at 2133mhz how can I get it to work faster? If needed
I have a Ryzen 5 3600 cpu, Evga GeForce gtx 1050 ti gpu, and a 600 w of Power supply

[artura]

Thanks a lot !
I had long lasting, multiple instability issues with my R5 3600 - blue screens, game crashes, blender failures, random dreezes, etc.
Dissabling PBO or setting it to auto or enabled/auto did not helped. Setting mem to default (2133) neither.
Swapped RAM (CRJ-> b-die), Mobo (x470 -> b550) and was on the edge of swapping PSU and/or CPU but this saved the day. Even made a ticket to AMD but ofc no word from them...
Setting socect power to 125 regain stability and actually I am able to run xmp :)
Hope this can help anyone else with crash issues. There is plenty of ppl with similar issues looking for help so pass the good news on ! Good job and thank you !

[RobBCactive]

Some other factors that can effect testing results: >32000 MT/s the Zen3 IOD memory controller turns off some power saving, on a 5600x that adds significant W and increases the chip temp. I looked at memory overclocking and just decided it wasn't worth it.
There's an improved stepping with efficiency alterations to the metal layers, it means later Zen3 production like the 5800x3D and roughly speaking Q4/21 5600x will also have more effective use of the power budget. Few reviewers picked up on the new stepping, but High Yield did make a video about it and steppings.

[pepeshopping]

When you do not know how something REALLY works….

I stopped overclocking many many years ago when I understood the minimal gains obtained, if you do want a stable system.

Once you understand wait times and the different signals of the memory bus, then you can start to see how and why it is not so ‘simple’.

[SeeTheWholeTruth]

It is known. Good return to the subject.

[maxhughes]

The Ryzen RAM sweet spot is 3200MHz 14 14 14 14 34 Samsung B-die 8 channel ram on a Threadripper Pro. Quad channel ram is history and dual channel ram is an antique.