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post #31 of 44 (permalink) Old 09-07-2019, 10:44 PM
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Updated the bios to 1.93beta with the system in my rigbuilder profile.
Ran p95 last night for quick 30 min test & PBO enabled with all manual settings for it maxed out in bios.
High performance power plan in OS enabled

My 2600X was barely boosting to 3.9GHz all cores/threads.... latest chipset drivers installed.
MSI failied here.
Lucky manual OC saves the day!

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post #32 of 44 (permalink) Old 09-09-2019, 01:29 AM
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Quote: Originally Posted by Solohuman View Post
... My 2600X was barely boosting to 3.9GHz all cores/threads....

In a word: COOLING.

Screencap of my 2600X while running Cinebench R15, all cores above 4.0 GHz:




The max CPU temp stayed below 55C during the Cinebench run:




My 2600X isn't overclocked at all. In fact it's undervolted with -0.1 Vcore offset. But it has an NH-D15 ontop, and dwells inside a case with very high air flow.


These Ryzen CPUs just really need cooling to shine:



^ There ¡s no such thing as "overkill cooling" when dealing with Ryzen.


Now if we use a weak cooler, and put the system inside a poorly ventilated case (like that crap so in vogue nowadays, with tons of glass and christmas trees but pathetic airflow), expect the CPU to throttle down as in hell (pun intended).

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post #33 of 44 (permalink) Old 09-09-2019, 09:40 AM - Thread Starter
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post #34 of 44 (permalink) Old 09-09-2019, 09:43 AM
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Quote: Originally Posted by mongoled View Post
@ajlueke


sorry should have been more clear, yes I understood your point 100%

Just should have said the manner that you were testing does not really prove that the algorithm is not working properly.

It only shows that it may not be working properly for a work load similar to cinebench, as per your testing.....
As I said, the algorithm seems to be the problem, but I also qualified that with the statement that there may be some other internal limiter at play. I did not indicate as a conclusion of my testing that the algorithm is 100% the problem, as certain limits are disabled when manually overclocking.

The conclusion I did make, was that the silicon is not the issue. It can most certainly hold it's advertised boost clocks at the voltage already provided, which it does not do in the identical test under the identical voltage when the algorithm is put into play.
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post #35 of 44 (permalink) Old 09-10-2019, 09:37 AM
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Quote: Originally Posted by Nighthog View Post
@gerardfraser

Which AGESA & motherboard did you get your 1.550V boost for your 3600X? Do you run it like that daily or just short test?

I'm considering using offset to get 1.550V for max boost but it's not 100% optimal for some testing purposes of my own to see what it gives.

I've noted my 3800X will clock higher with more voltage with PBO but Cinebench R20/R15 was getting worse performance. Though other stuff improved.

I'm starting to highly suspect CB R15/R20 have "performance profiles" and have a power & clock target. Adding offset just skews and messes it up. Other software don't seem to be limited like Cinebench with PB or PBO settings and boost more freely.

EDIT:
Tested +0.0500V offset shortly but performance just got worse from not having any at all. So we can't use PBO + offset to increase clock, it rather clocks lower instead it looked like, benchmarks all went worse.
Oh sorry dude ,I forgot about this post.At the time of that video ,yes I ran daily with that voltage.Voltage is only high in idle and light loads like gaming/Cinebench20 single.Heavy loads like handbrake/blender the CPU would lower voltage accordingly as it should.AMD has warranty ,so why not run the way they set it.

Well I am using the latest BIOS now but here is Cinebench20 with Hwinfo64 running with 3600X hitting 4500Mhz I did back in July 2019.It really does not matter anymore with the new BIOS hitting max boost.All information used in description.


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post #36 of 44 (permalink) Old 09-10-2019, 09:55 AM
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Guys,

did AMD make their announcement about what they found? It was going to be today right?

thanks.

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post #37 of 44 (permalink) Old 09-10-2019, 10:40 AM
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post #38 of 44 (permalink) Old 09-10-2019, 11:09 AM
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Quote: Originally Posted by gerardfraser View Post
Oh sorry dude ,I forgot about this post.At the time of that video ,yes I ran daily with that voltage.Voltage is only high in idle and light loads like gaming/Cinebench20 single.Heavy loads like handbrake/blender the CPU would lower voltage accordingly as it should.AMD has warranty ,so why not run the way they set it.

Well I am using the latest BIOS now but here is Cinebench20 with Hwinfo64 running with 3600X hitting 4500Mhz I did back in July 2019.It really does not matter anymore with the new BIOS hitting max boost.All information used in description.


https://www.youtube.com/watch?v=yHQ1GwPkrt0
This with everything at stock? Do you still see this behaviour with 46.49 SMU? I am wondering if i can replicate this with my 3700x... with auto OC 200mhz it only reaches 4450 in random circumstances D:

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post #39 of 44 (permalink) Old 09-10-2019, 11:52 AM
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Quote: Originally Posted by Synoxia View Post
This with everything at stock? Do you still see this behaviour with 46.49 SMU? I am wondering if i can replicate this with my 3700x... with auto OC 200mhz it only reaches 4450 in random circumstances D:
The video was made in July 2019 as stated with older BIOS.
I have not tried SMU 46.49.00 yet but I am sure it will be the same as older one.
All the AMD 3700X I have seen on the new BIOS SMU 46.49.00 can hit there Max boost speeds and yours should also and over with the 200Mhz.
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post #40 of 44 (permalink) Old 09-10-2019, 01:37 PM
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Quote: Originally Posted by gerardfraser View Post
The video was made in July 2019 as stated with older BIOS.
I have not tried SMU 46.49.00 yet but I am sure it will be the same as older one.
All the AMD 3700X I have seen on the new BIOS SMU 46.49.00 can hit there Max boost speeds and yours should also and over with the 200Mhz.
Yeah but unfortunately it won't hold more than 4.225 mostly while gaming :/ so you just enabled +200 boost?

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Last edited by Synoxia; 09-10-2019 at 01:41 PM.
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