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post #41 of 679 (permalink) Old 07-08-2019, 03:00 PM - Thread Starter
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Quote: Originally Posted by Unoid View Post
So B-DIE 16GB DR ram will have trouble going over 1600mhz aka pc3200? Or did I read your previous post wrong?

I'm hoping to get 3600 @ 16-16-16-16 out of my 2x16GB 14's b-die kit
No, they should do 3600MHz rather easily.
2 DPC DR (i.e. 4x16GB) is limited to ~3200MHz according to some sources, but I haven't verified it personally.
1 DPC DR I've tested myself.
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post #42 of 679 (permalink) Old 07-08-2019, 03:04 PM
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I'm most interested to see if we can expect 3600MHz at 14-14-14-14 instead of the 3600MHz at 14-15-14-14 many of us have to run on our Ryzen 2000 CPUs.

AMD Ryzen 3900X  |  Fractal Design S36 360 AIO w/3 Corsair SP120L and 3 Noctua NF-F12 3000 fans  |  Asus Crosshair VII WiFi X470  |  G.SKILL TridentZ 3600CL15 2x8GB @ 3800MHz 14-15-14-14-30  |  EVGA 1070 Ti SC GAMING ACX 3.0 Black w/NZXT Kraken G12 Cooler  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3 PSU | Thermaltake Core P3 Case 
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post #43 of 679 (permalink) Old 07-08-2019, 03:07 PM - Thread Starter
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I did a quick test on the 3900X, using the brand new AGESA 1.0.0.3 w/ A & B patches and the newest chipset-drivers:

Core Fmax listing prior these changes:

Code:
Core 1 =  4575 - 4300MHz - 1.48750V (2*)
Core 2 =  4475 - 4350MHz - 1.48750V
Core 3 =  4525 - 4225MHz - 1.47500V
Core 4 =  4575 - 4275MHz - 1.47500V (1*)
Core 5 =  4475 - 4300MHz - 1.48750V
Core 6 =  4475 - 4300MHz - 1.48750V
Core 7 =  4375 - 4300MHz - 1.46250V (1*)
Core 8 =  4350 - 4300MHz - 1.46250V
Core 9 =  4350 - 4300MHz - 1.46250V
Core 10 = 4325 - 4275MHz - 1.48125V
Core 11 = 4325 - 4300MHz - 1.47500V
Core 12 = 4400 - 4300MHz - 1.47500V (2*)
Core Fmax listing after the changes: See above...

1* = The best core of the CCD, 2* the second best core of the CCD.

I'd say unless the factory V/F calibration is out of whack, which I really don't think it is, the only way AMD is going to increase the frequencies of the CPUs is most likely
allowing them to run at higher voltages (i.e. sacrificing reliability). The voltage figure seen for each core is the voltage the CPU asks from the VRM controller through SVI2 interface, when the specific core is stressed.
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post #44 of 679 (permalink) Old 07-08-2019, 04:21 PM
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So still none are even reaching their advertised boosts.

Are these new values with all-core loads? Or are you loading the cores one at a time to see their max boost?

Is this with PBO on ? Have you tweaked PBO values? If so does PBo actually do anything?

Quote: Originally Posted by The Stilt View Post
I did a quick test on the 3900X, using the brand new AGESA 1.0.0.3 w/ A & B patches and the newest chipset-drivers:

Core Fmax listing prior these changes:

Code:
Core 1 =  4575 - 4300MHz - 1.48750V (2*)
Core 2 =  4475 - 4350MHz - 1.48750V
Core 3 =  4525 - 4225MHz - 1.47500V
Core 4 =  4575 - 4275MHz - 1.47500V (1*)
Core 5 =  4475 - 4300MHz - 1.48750V
Core 6 =  4475 - 4300MHz - 1.48750V
Core 7 =  4375 - 4300MHz - 1.46250V (1*)
Core 8 =  4350 - 4300MHz - 1.46250V
Core 9 =  4350 - 4300MHz - 1.46250V
Core 10 = 4325 - 4275MHz - 1.48125V
Core 11 = 4325 - 4300MHz - 1.47500V
Core 12 = 4400 - 4300MHz - 1.47500V (2*)
Core Fmax listing after the changes: See above...

1* = The best core of the CCD, 2* the second best core of the CCD.

I'd say unless the factory V/F calibration is out of whack, which I really don't think it is, the only way AMD is going to increase the frequencies of the CPUs is most likely
allowing them to run at higher voltages (i.e. sacrificing reliability). The voltage figure seen for each core is the voltage the CPU asks from the VRM controller through SVI2 interface, when the specific core is stressed.
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post #45 of 679 (permalink) Old 07-08-2019, 04:29 PM
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Is PBO only available on X SKUs like it was on Ryzen 2000?

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post #46 of 679 (permalink) Old 07-08-2019, 04:31 PM - Thread Starter
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Quote: Originally Posted by anethema View Post
So still none are even reaching their advertised boosts.

Are these new values with all-core loads? Or are you loading the cores one at a time to see their max boost?

Is this with PBO on ? Have you tweaked PBO values? If so does PBo actually do anything?
Single core load, cores tested individually.
All core clocks are ~3.975GHz in a typical MT workloads at default settings, such as Blender.
Increasing the PBO limits (PPT, TDC & EDC) will increase them as far as FIT (voltage) will allow. Practically that means around 100MHz higher clocks (4.075GHz).

PBO does nothing to the single core clocks, since single core workloads are not limited by PPT, TDC or EDC.

"Auto OC" definitely does nothing, 200MHz produces the same exact results as 0MHz.
3600 is the only SKU I've tested, on which "Auto OC" does anything significant. On 3700X it boosts the best core of the CPU by 25MHz.
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post #47 of 679 (permalink) Old 07-08-2019, 04:34 PM - Thread Starter
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Quote: Originally Posted by BLUuuE View Post
Is PBO only available on X SKUs like it was on Ryzen 2000?
At least on R5 3600 it worked fine, so I guess not
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post #48 of 679 (permalink) Old 07-08-2019, 04:36 PM
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Quote: Originally Posted by The Stilt View Post
Single core load, cores tested individually.
All core clocks are ~3.975GHz in a typical MT workloads at default settings, such as Blender.
Increasing the PBO limits (PPT, TDC & EDC) will increase them as far as FIT (voltage) will allow. Practically that means around 100MHz higher clocks (4.075GHz).

PBO does nothing to the single core clocks, since single core workloads are not limited by PPT, TDC or EDC.

"Auto OC" definitely does nothing, 200MHz produces the same exact results as 0MHz.
3600 is the only SKU I've tested, on which "Auto OC" does anything significant. On 3700X it boosts the best core of the CPU by 25MHz.
For some reason amd Robert insists that even 3900x "should" see at least some benefits from PBO lol.

https://reddit.com/r/Amd/comments/ca...lotq?context=3
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post #49 of 679 (permalink) Old 07-08-2019, 04:41 PM - Thread Starter
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Quote: Originally Posted by JeyD02 View Post
For some reason amd Robert insists that even 3900x "should" see at least some benefits from PBO lol.

https://reddit.com/r/Amd/comments/ca...lotq?context=3
That is not surprising, since that is the official and only stand from AMD.

Technically the 3900X should indeed hit at least the advertised 4.6GHz however, I'm yet to see any confirmed case where it actually would do that.
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post #50 of 679 (permalink) Old 07-08-2019, 05:36 PM
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I just heard that the magical Performance Enhancers Level 3 and Level 4 on the ROG boards isn't present on the CH8. That bums me out. Those Performance Enhancers are the best way to run a Ryzen 2000 CPU and was hoping for the same on the 3000 CPUs too.

AMD Ryzen 3900X  |  Fractal Design S36 360 AIO w/3 Corsair SP120L and 3 Noctua NF-F12 3000 fans  |  Asus Crosshair VII WiFi X470  |  G.SKILL TridentZ 3600CL15 2x8GB @ 3800MHz 14-15-14-14-30  |  EVGA 1070 Ti SC GAMING ACX 3.0 Black w/NZXT Kraken G12 Cooler  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3 PSU | Thermaltake Core P3 Case 
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