[Official] Ryzen 5, 7, 9 3000 Series Owner's Club! - Page 110 - Overclock.net - An Overclocking Community
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post #1091 of 1117 (permalink) Old 02-14-2020, 03:31 AM
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Quote: Originally Posted by BIRDMANv84 View Post
Hello everyone, 3600x here
1.35v for 4.1ghz??
I run mine with offset of max 1.3v for 4.3Ghz and only when I want to bench at 4.4-4.5Ghz I raise higher voltage.

Sent from my ONEPLUS A6003 using Tapatalk

  • Ryzen 3600x @4490mhz v1.45, 2nd position at HWBOT
  • Gigabyte Aorus Elite x570
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post #1092 of 1117 (permalink) Old 02-14-2020, 10:45 AM
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Quote: Originally Posted by rastaviper View Post
1.35v for 4.1ghz??
I run mine with offset of max 1.3v for 4.3Ghz and only when I want to bench at 4.4-4.5Ghz I raise higher voltage.

Sent from my ONEPLUS A6003 using Tapatalk
Sorry I haven't changed the voltage from auto since the build, the only thing I've changed up was PBO off, RAM timings to the Fast Preset 3200mhz from DRAM Calculator. Ive always had a hard time with using RM with my old R5 2600x B450 build so I just left everything on auto except the the above mentioned. I signed up here to lurk the forums and gather the info I might need so I can try to sit down 1 day and start messing around with this CPU and mob(CH7)o, Its on a DH15SE AM4 and its never seen anything above 71c with the auto settings
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post #1093 of 1117 (permalink) Old 02-14-2020, 11:22 AM
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Anyone else tried undervolting one of these 3900x chips and running slightly lower clocks to fold yet? I did some boring stability tests for a few hours before trying it at folding, and I was surprised just how efficient these things are... 3.7ghz @ 1v and power usage according to ryzen master is around 50w while folding.

Edit: forgot to mention the estimated PPD of 316000

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Last edited by Minotaurtoo; 02-14-2020 at 11:38 AM.
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post #1094 of 1117 (permalink) Old 02-14-2020, 12:14 PM
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Quote: Originally Posted by Minotaurtoo View Post
Anyone else tried undervolting one of these 3900x chips and running slightly lower clocks to fold yet? I did some boring stability tests for a few hours before trying it at folding, and I was surprised just how efficient these things are... 3.7ghz @ 1v and power usage according to ryzen master is around 50w while folding.

Edit: forgot to mention the estimated PPD of 316000

Yes, these chips are super efficient at that voltages and clocks. You can achieve the same efficiency by setting 99% Max CPU performance in any Windows Power Plan, without needing to set the values in BIOS or RM.
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post #1095 of 1117 (permalink) Old 02-14-2020, 12:22 PM
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Quote: Originally Posted by nangu View Post
Yes, these chips are super efficient at that voltages and clocks. You can achieve the same efficiency by setting 99% Max CPU performance in any Windows Power Plan, without needing to set the values in BIOS or RM.
I'll try that...

Offical Ryzen 9 3900x Owner!


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post #1096 of 1117 (permalink) Old 02-15-2020, 05:41 PM
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Been playing around with an offset
R20
Stock 4826
Offset+PBO test
R20 3700X H150i

Stock 4826

R20

Stock 4826

Offset

-0.00625V 4833

-0.025V 4853

-0.05V 4872 4.05-4.075Ghz (PBO Max 4.025Ghz) (No PBO 4.0Ghz)

-0.075V 4916 ST 503 (4.1-4.125Ghz)

--0.075V 4976 ST 504 (4.125Ghz-4.15Ghz)+TDC1000, PPT 1000, EDC 0, PBO scalar 10X)

-0.075V 4976 ST 504 (4.1-4.125Ghz+TDC1000, PPT 1000, EDC 0, PBO scalar 10X(AUTO OC 100mhz) Stable 2 hour r20+handbrake run
-0.075V 4987 (4.1-4.125Ghz+TDC1000, PPT 1000, EDC 0, PBO scalar 3X(AUTO OC 100mhz)
-0.075V 4989 (4.1-4.125Ghz+TDC1000, PPT 1000, EDC 0, PBO scalar 2X(AUTO OC 100mhz)

3700X PBO (IF, 1900mhz)16GB G.SKILL TridentZ Series Samsung B-die 3800mhz 14-17-10-32-42
MSI GTX 1080 Gaming X
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H150i(Fans replaced with Noctua NF-A12)

Noctua fanboy detected! Fans all run at 800RPM

Last edited by polkfan; 02-16-2020 at 02:11 AM.
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post #1097 of 1117 (permalink) Old 02-16-2020, 02:07 AM
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What MB ? I can't get better that -0,05v offset to get it stable but with it I got this in R20. PBo and everything in it set to max.
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Asus Prime x470 Pro BIOS 5406 1004b
R7 3700x. CM Nepton 140XL
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post #1098 of 1117 (permalink) Old 02-16-2020, 02:11 AM
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Quote: Originally Posted by MishelLngelo View Post
What MB ? I can't get better that -0,05v offset to get it stable but with it I got this in R20. PBo and everything in it set to max.
Asrock X370 Taichi

3700X PBO (IF, 1900mhz)16GB G.SKILL TridentZ Series Samsung B-die 3800mhz 14-17-10-32-42
MSI GTX 1080 Gaming X
EVGA SuperNOVA 750 G3
Fractal Design R6(All fans replaced with 5 Noctua A14 fans)
H150i(Fans replaced with Noctua NF-A12)

Noctua fanboy detected! Fans all run at 800RPM
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post #1099 of 1117 (permalink) Old 02-17-2020, 01:42 PM
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Quote: Originally Posted by MishelLngelo View Post
What MB ? I can't get better that -0,05v offset to get it stable but with it I got this in R20. PBo and everything in it set to max.
Can i ask how your cores turbo does your chip hit 4425mhz without having to do the EDC1 bug? Based on the score i would say its already hitting a 4175mhz turbo on all cores right now. ST looks to be very good with at least 4400mhz happening(probably effective clock too)

3700X PBO (IF, 1900mhz)16GB G.SKILL TridentZ Series Samsung B-die 3800mhz 14-17-10-32-42
MSI GTX 1080 Gaming X
EVGA SuperNOVA 750 G3
Fractal Design R6(All fans replaced with 5 Noctua A14 fans)
H150i(Fans replaced with Noctua NF-A12)

Noctua fanboy detected! Fans all run at 800RPM
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post #1100 of 1117 (permalink) Old 02-17-2020, 09:30 PM
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Guys check this out i ran this with a positive off-set and now all my cores are hitting higher turbo's.

I'm obviously not going to keep this setting but i guess you can override the FIT table by doing this.

I notice that the core is requesting 1.5V but my chip won't take anything more then 1.47V during boost. This is probably why.
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3700X PBO (IF, 1900mhz)16GB G.SKILL TridentZ Series Samsung B-die 3800mhz 14-17-10-32-42
MSI GTX 1080 Gaming X
EVGA SuperNOVA 750 G3
Fractal Design R6(All fans replaced with 5 Noctua A14 fans)
H150i(Fans replaced with Noctua NF-A12)

Noctua fanboy detected! Fans all run at 800RPM
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