Ryzen 7000 / Zen 4 Owner's Club

[J7SC_Orion]

5 hours ago, pioneerisloud said:

Picking up a 7900x system here soon.  Anything I should know jumping from a 5800x guys?   Or is it just XMP / PBO and go?  I can probably handle that.  

   

...get a decent mobo and RAM (I'm running 'native' DDR5 7200 2x 24 GB at 8000.)..with a 2x CCD Ryzen 7K, it makes a difference...started with 'XMP' (no Expo) which was child's play...a few re_boots later I was at  8000...the fun started 'tuning' it, along with per-core CO (curve optimizer). But straight out of the box with XMP and PBO was easy as 1-2-3

Edited December 28, 2023 by J7SC_Orion

[ENTERPRISE]

Yeah the jump to DDR5 and AMD 7K was as simple as the previous generations. Should be as easy as configuring PBO and enabling EXPO and off you go. If you want to take it further, that's when you have to commit a considerable amount of time.

[Sir Beregond]

2 hours ago, ENTERPRISE said:

Yeah the jump to DDR5 and AMD 7K was as simple as the previous generations. Should be as easy as configuring PBO and enabling EXPO and off you go. If you want to take it further, that's when you have to commit a considerable amount of time.

Yep true with Zen 3 before it too. Always benefited from RAM tuning and per core CO I kinda gave up on as I'd get something that passed stability testing and then something would always expose an instability.

 

Do you need the extra cores then Pio? 7800X3D would probably be the best plug in and go solution as the X3D stuff hasn't cared as much about RAM tunings. The tradeoff being, less room to play with overall as a result. But just throwing that out there.

Edited December 28, 2023 by Sir Beregond

[neurotix]

The memclk and uclk are no longer tied to the Infinity Fabric clock. This means there is no huge latency penalty for running RAM "out of ratio".

 

This means that 3800 RAM/1900 IFclk or 3733/1866 doesn't need to be done nor anything like it. For a 7900x, you can take RAM up to 8000MHz depending on what RAM you get. For a 7700x/7800X3D or any single chiplet SKU, there is really no benefit to running RAM that high as the single chiplet design does not benefit from such high RAM speed. So 6000/6200/6400 MHz with uclk=memclk (which will run at half the RAM speed) with CAS around 36 is essentially the best you can do with a 7700x or 7800X3D.

 

Someone like @J7SC_Orion or @kalizcould actually probably explain exactly why those lower speeds are all that's needed for the SKUs I mentioned; having a 7900X3D and 7600MHz RAM I don't really know the details myself.

 

Also, with Zen 4 you can run the Infinity Fabric quite a bit higher, I run mine at 2100MHz with 1.25v SoC voltage, but some people can do 2133 or even 2200.

Edited December 28, 2023 by neurotix
added a bit about IFclk

[mouacyk]

6400C28 tuned and at limit of vSOC. Required 50mV bump from GDM on for VDD, VDDQ, VDDIO, and tRDRDSCL=5.

 

Edited December 29, 2023 by mouacyk

[Hequaqua]

That Kgui, is that like a UI shell for Karhu?

 

Where can I get that?

[mouacyk]

3 hours ago, Hequaqua said:

That Kgui, is that like a UI shell for Karhu?

 

Where can I get that?

GitHub - LeagueRaINi/KGuiV2: A custom gui for karhu

GITHUB.COM

---

A custom gui for karhu. Contribute to LeagueRaINi/KGuiV2 development by creating an account on GitHub.

 

[Hequaqua]

Yea, I found it, I dropped those files into the folder, but I don't see how to run it....lmao

[mouacyk]

31 minutes ago, Hequaqua said:

Yea, I found it, I dropped those files into the folder, but I don't see how to run it....lmao

There is a exe in the x64 folder:

RAM Test 1.1.0.0\x64\KGuiV2.exe

[ENTERPRISE]

So I think so far as CO tuning I have settled with the below. 

 

 

Obviously some weaker cores than others, and oddly Core 9 was obviously always on the limit. At stock values I was getting errors from that core, so once I have it a Positive value, it was nice and stable. After reading on the internet, looks like this is not un-heard of.

 

This finishes my CO journey, certainly time consuming. I could likely improve this by a mV here and there but honestly, it is not worth the additional time expenditure and the gain would be negligible. 

 

After I have finished messing with my GPU, I may look into the mystical eCLK

[Hurricane28]

Wanted to wish you all happy new year! 

 

Happy clocking guys! 

 

What's new? I discovered that my RAM hit wall at 7000Mhz.. they are not that great so i am thinking on getting "better kit" always silicon lottery tho but still.

[neurotix]

7 hours ago, Hurricane28 said:

Wanted to wish you all happy new year! 

 

Happy clocking guys! 

 

What's new? I discovered that my RAM hit wall at 7000Mhz.. they are not that great so i am thinking on getting "better kit" always silicon lottery tho but still.

Happy New Year!

[J7SC_Orion]

...squeezing some more performance from the 7950X3D 

  

 

 

[mouacyk]

On 02/01/2024 at 06:05, ENTERPRISE said:

So I think so far as CO tuning I have settled with the below. 

 

 

Obviously some weaker cores than others, and oddly Core 9 was obviously always on the limit. At stock values I was getting errors from that core, so once I have it a Positive value, it was nice and stable. After reading on the internet, looks like this is not un-heard of.

 

This finishes my CO journey, certainly time consuming. I could likely improve this by a mV here and there but honestly, it is not worth the additional time expenditure and the gain would be negligible. 

 

After I have finished messing with my GPU, I may look into the mystical eCLK

Hopefully your ambient temp doesn't fluctuate too much. I've had swings of +/-2F cause instability, from tight CO and RAM overclocks.

[ENTERPRISE]

5 hours ago, mouacyk said:

Hopefully your ambient temp doesn't fluctuate too much. I've had swings of +/-2F cause instability, from tight CO and RAM overclocks.

 

I have not noticed anything yet...HOWEVER I did come across an instability with CO the other day. Typically when there is an issue, my PC reboots, no BSOD. Simply power cycles. I am yet to re-do the stability testing to see if I can identify the Core giving me issues. It is frustrating however as you can leave the rig testing for hours and hours and find nothing. I think I noted that with Core/Thread count for my CPU that you realistically have to test for something like 144 hours to fully test it. 

 

I had been running CoreCycler alongside OCCT CPU stress testing, this helped expose some instabilities. However I want to find another stress tester that I can leave running indefinitely with CoreCycler, with OCCT free, you are limited to 1 hour. I did look into OCCT Pro but there is not a one off purchase price and you have to join a patreon sub  

[J7SC_Orion]

3 hours ago, ENTERPRISE said:

 

I have not noticed anything yet...HOWEVER I did come across an instability with CO the other day. Typically when there is an issue, my PC reboots, no BSOD. Simply power cycles. I am yet to re-do the stability testing to see if I can identify the Core giving me issues. It is frustrating however as you can leave the rig testing for hours and hours and find nothing. I think I noted that with Core/Thread count for my CPU that you realistically have to test for something like 144 hours to fully test it. 

 

I had been running CoreCycler alongside OCCT CPU stress testing, this helped expose some instabilities. However I want to find another stress tester that I can leave running indefinitely with CoreCycler, with OCCT free, you are limited to 1 hour. I did look into OCCT Pro but there is not a one off purchase price and you have to join a patreon sub  

 

When I set my 7950X3D up for CO (following RAM oc and stability testing first), I used several benches but 3DM CPU profile combined with SMU-in-Windows CO adjustments helped, in addition to y-cruncher, Linpack, Aida, OCCT and other such tools. 3DM CPU profiles does sequential testing, starting with 'max' threads, then 16,8,4,2 and 1 thread. The 4,2 and 1 thread settle on your fastest cores and often, those have a bit too optimistic CO.

 

I now have a perfectly stable set of profiles for standard bclk (=100), custom bclk and also eclk...the eclk carries no additional per-core CO beyond the Aorus 90L5 PBO enhancement I use for all profiles.

[ENTERPRISE]

10 minutes ago, J7SC_Orion said:

 

When I set my 7950X3D up for CO (following RAM oc and stability testing first), I used several benches but 3DM CPU profile combined with SMU-in-Windows CO adjustments helped, in addition to y-cruncher, Linpack, Aida, OCCT and other such tools. 3DM CPU profiles does sequential testing, starting with 'max' threads, then 16,8,4,2 and 1 thread. The 4,2 and 1 thread settle on your fastest cores and often, those have a bit too optimistic CO.

 

I now have a perfectly stable set of profiles for standard bclk (=100), custom bclk and also eclk...the eclk carries no additional per-core CO beyond the Aorus 90L5 PBO enhancement I use for all profiles.

So are you running 3DM CPU Profiles in conjunction with OCCT/Other benching tools ? When I say in conjunction, I mean running the benches at the same time.

[J7SC_Orion]

45 minutes ago, ENTERPRISE said:

So are you running 3DM CPU Profiles in conjunction with OCCT/Other benching tools ? When I say in conjunction, I mean running the benches at the same time.

 

...no, not simultaneously but sequentially. BTW, Aida is also useful, ie. SHA3 (tough) and FPU Julia. The Aida cache / memory bench helps to idea overly optimistic CO values as well, especially on CCD1 / fastest cores. 

[pio]

 

Well, it seems like its performing properly.....and better than a 5800x.

[kaliz]

thinking i had the first sub 7s Pyprime in the world my buddy Dom from OCN beats me by 0,006s   i will get its one day haha

 

 

however, at 8360C32-45-40-34-74-500 i got him by a pretty large margin in Pyprime 32b 

 

 

so if you compare the two, he is in gear 1 with 6800C26-36 tight timings, i managed to have better latency in gear 2 !! 

[J7SC_Orion]

On 19/01/2024 at 17:19, kaliz said:

thinking i had the first sub 7s Pyprime in the world my buddy Dom from OCN beats me by 0,006s   i will get its one day haha

 

 

however, at 8360C32-45-40-34-74-500 i got him by a pretty large margin in Pyprime 32b 

 

 

so if you compare the two, he is in gear 1 with 6800C26-36 tight timings, i managed to have better latency in gear 2 !! 

  

I saw that...congrats just the same, and also for the 32B.  In other news. I bumped my DDR5 8000 RAM to CL34 46 44 40 after relaxing some low-voltage rules. Still running pretty cool, though.

 

...Benching my new fav memory setting : DDR5 8000+ CL 34-45-45-45-39...managed to get Y-Cruncher into the 13.3s, 7Zip to 254.8k mips and CineR24 multi to 2320, among other benches. For some Benchmate tests, I'll try 1:1 CL30 6400 or CL2? 6200 instead. BTW, ever heard of 2x 24 GB A-die (high speed, advertised as A-die) ? Dom doesn't think so - your thoughts ?

 

 

Edited January 21 by J7SC_Orion

[kaliz]

 any love for the 8000 serie CPUs in here? i just installed a new OS etc on B650M-HDV with 8700G and it boots to windows with DDr5-9000 without a sweat! For now this is better then Taichi B650E

[J7SC_Orion]

50 minutes ago, kaliz said:

 any love for the 8000 serie CPUs in here? i just installed a new OS etc on B650M-HDV with 8700G and it boots to windows with DDr5-9000 without a sweat! For now this is better then Taichi B650E

 

Series 8000 is really series 7000 with some GPU bikini parts; new 7000 will thus be called 9000 - clear as cold coffee ! Please post some 8700G / DDR 9000 - always fun to see those 

 

I wonder where my new DDR5 8400 arriving later this week will settle (at stock bclk, and/or up to 102.8 which is the limit for PCI 4.0 GPU).

[kaliz]

switched to this 2 dimm board and it is absolutely amazing overclocker  gaming on DDR-9000 with 16GB to VRAM

 

 

[J7SC_Orion]

On 05/02/2024 at 12:18, kaliz said:

switched to this 2 dimm board and it is absolutely amazing overclocker  gaming on DDR-9000 with 16GB to VRAM

 

 

  

 

Look 'what the cat dragged in' (so to speak) a few hours ago. Super-busy at work, so I likely won't have time until the weekend to really get into it

 

Edited February 7 by J7SC_Orion