F5F Stay Refreshed Hardware Desktop CPU core ratio is set within the BIOS settings.

CPU core ratio is set within the BIOS settings.

CPU core ratio is set within the BIOS settings.

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NightmareB4
Junior Member
44
02-17-2021, 06:40 AM
#11
For a top-notch idle performance, choosing AMD might not be ideal, though Intel could handle it better in that area. Still, you get a clear picture of what gaming and pressure would feel like with either option.
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NightmareB4
02-17-2021, 06:40 AM #11

For a top-notch idle performance, choosing AMD might not be ideal, though Intel could handle it better in that area. Still, you get a clear picture of what gaming and pressure would feel like with either option.

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Killemandrun
Member
162
02-18-2021, 08:15 PM
#12
He’s cooling down nicely. I’m using the 5900X at 245/165/190 and notice 5GHz+ across all cores. The voltage isn’t too low, you’re tweaking the voltage curve. CO forces the CPU to work harder, but you’ll need to fine-tune the power limits for optimal performance. This model idles in the 20s, just like my 58X3D and 5600X.
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Killemandrun
02-18-2021, 08:15 PM #12

He’s cooling down nicely. I’m using the 5900X at 245/165/190 and notice 5GHz+ across all cores. The voltage isn’t too low, you’re tweaking the voltage curve. CO forces the CPU to work harder, but you’ll need to fine-tune the power limits for optimal performance. This model idles in the 20s, just like my 58X3D and 5600X.

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Bessily
Junior Member
43
02-18-2021, 09:53 PM
#13
We were discussing power levels, but it seems we're focused on 3 to 10 watts now.
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Bessily
02-18-2021, 09:53 PM #13

We were discussing power levels, but it seems we're focused on 3 to 10 watts now.

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alejandrobo1
Posting Freak
877
02-26-2021, 08:13 AM
#14
Sorry, I was half asleep. 10w.. bah.
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alejandrobo1
02-26-2021, 08:13 AM #14

Sorry, I was half asleep. 10w.. bah.

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QwertyCat
Member
198
02-28-2021, 03:58 AM
#15
My CPU 5900X is completely failing after trying to lower the voltage; it shows instability even with a very small negative voltage at 4.5 GHz.
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QwertyCat
02-28-2021, 03:58 AM #15

My CPU 5900X is completely failing after trying to lower the voltage; it shows instability even with a very small negative voltage at 4.5 GHz.

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ilija
Member
206
03-07-2021, 12:52 PM
#16
Zen 3 with static undervolt isn't the issue here. I can't even get to 1.1V by myself, but Curve Optimizer does. Definitely give it a shot and adjust the PPT accordingly.
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ilija
03-07-2021, 12:52 PM #16

Zen 3 with static undervolt isn't the issue here. I can't even get to 1.1V by myself, but Curve Optimizer does. Definitely give it a shot and adjust the PPT accordingly.

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Dragonize
Member
181
03-11-2021, 10:25 PM
#17
Your undervolt readings are incorrect, not related to the chip (the 5900X 1st CCD is already calibrated). Why are you avoiding the correct tools (PBO2/CO)?
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Dragonize
03-11-2021, 10:25 PM #17

Your undervolt readings are incorrect, not related to the chip (the 5900X 1st CCD is already calibrated). Why are you avoiding the correct tools (PBO2/CO)?

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BlackEagles259
Member
119
03-17-2021, 01:14 AM
#18
For 4500MHz operation aim for around 1.2v. Best of luck with 1.1v.
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BlackEagles259
03-17-2021, 01:14 AM #18

For 4500MHz operation aim for around 1.2v. Best of luck with 1.1v.

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yeffrey9
Junior Member
24
03-17-2021, 02:33 AM
#19
Default voltage is 1.44V, offset of -0.1 keeps it at 1.34V, and the PC doesn't even start the OS. PBO2 lets you run higher clock speeds at the same temperature without saving power. I've noticed it can cut CPU power use by around 30%, only reducing performance by 2-3%. Now the CPU draws about 130W even with undervolt settings. I can only enable a negative curve up to 15 above boot time, but most games crash when I do that. For the 5900X, setting a max of 30 negatives usually works without issues, but this model can handle only half that.
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yeffrey9
03-17-2021, 02:33 AM #19

Default voltage is 1.44V, offset of -0.1 keeps it at 1.34V, and the PC doesn't even start the OS. PBO2 lets you run higher clock speeds at the same temperature without saving power. I've noticed it can cut CPU power use by around 30%, only reducing performance by 2-3%. Now the CPU draws about 130W even with undervolt settings. I can only enable a negative curve up to 15 above boot time, but most games crash when I do that. For the 5900X, setting a max of 30 negatives usually works without issues, but this model can handle only half that.

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QuikScopeMster
Member
68
03-18-2021, 03:05 AM
#20
I handled it and there are no more than 30 crashes per game over 15, and nobody clarifies reducing power use with PBO2.
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QuikScopeMster
03-18-2021, 03:05 AM #20

I handled it and there are no more than 30 crashes per game over 15, and nobody clarifies reducing power use with PBO2.

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