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Ryzen 3000 - Temp and Vcore ARE NORMAL ?

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post #11 of 20 (permalink) Old 06-15-2020, 03:44 AM - Thread Starter
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Hi

Between PBO on AUTO and PBO on Disable i noticed no changes.
I think AUTO setting the PBO is disabled.

I use "AMD Ryzen balanced power plan" on windows.
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post #12 of 20 (permalink) Old 06-15-2020, 05:18 AM
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OP, your motherboard should be able to handle a manual oc with a static voltage of say - 1.35v (or even lower) for 4.3GHz as a start.

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post #13 of 20 (permalink) Old 06-15-2020, 08:15 AM - Thread Starter
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Yes, but i also could do this with AMD Ryzen Master Tool right ?

But with this kind of settings i will get a lower per performance in single core and the i will loss the variable frequency and dynamic vcore, this is right ?

I try to explain better .... If i set a manual vcore and frequency, my CPU will be everytimes at 1.25v ( or other value i want to set ) and frequency will dont drop in idle, this is right ?

Actually my CPU runs until 4500Mhz, this is what i can see using Core Temp Tool.
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post #14 of 20 (permalink) Old 06-15-2020, 09:00 AM
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Quote: Originally Posted by senna89 View Post
Yes, but i also could do this with AMD Ryzen Master Tool right ?

But with this kind of settings i will get a lower per performance in single core and the i will loss the variable frequency and dynamic vcore, this is right ?

I try to explain better .... If i set a manual vcore and frequency, my CPU will be everytimes at 1.25v ( or other value i want to set ) and frequency will dont drop in idle, this is right ?

Actually my CPU runs until 4500Mhz, this is what i can see using Core Temp Tool.
You can oc your cpu to 4.5 GHz all-core? If so, you don't lose any single core performance. And at 1.25v, what are your temps?

Yes, the clocks stay at max but if you notice, the wattage and temps go down. Check out post #764.

https://www.overclock.net/forum/10-a...-3900x-77.html

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post #15 of 20 (permalink) Old 06-15-2020, 12:13 PM
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Your temps are up because you do not ramp your fan up until 65C and keep them at low RPM until then. My temps barely break 60-65C gaming because with my AIO they ramp up after 55C and increase more after 65C during normal operations. My gaming profile ramps them up after 50C and they are moving more below that to keep temps down for better clock boosts. Either way they only hit 70C or more when doing something like a bench mark, running P95 or Folding. Folding they sit around 82C with a 3900x. With these it is all about fan curve and how much and when you want to hear the fans at what temps. Even a good air cooler at the correct RPM fans should keep your temps below probably 65C when gaming, if not lower, depending on what you set the fans for. My processor does not normally break 43C while doing normal surfing while even watching Youtube vids at the same time. Most of the time it is under 40C. Right now typing this is is under 38C.

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post #16 of 20 (permalink) Old 06-15-2020, 02:16 PM - Thread Starter
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Quote: Originally Posted by rdr09 View Post
You can oc your cpu to 4.5 GHz all-core? If so, you don't lose any single core performance. And at 1.25v, what are your temps?

Yes, the clocks stay at max but if you notice, the wattage and temps go down. Check out post #764.

https://www.overclock.net/forum/10-a...-3900x-77.html
I Can use Ryzen Master Tool for this ?
I dont want to set an unstable setting on bios, maybe after some test.

Quote: Originally Posted by jamie1073 View Post
Your temps are up because you do not ramp your fan up until 65C and keep them at low RPM until then. My temps barely break 60-65C gaming because with my AIO they ramp up after 55C and increase more after 65C during normal operations. My gaming profile ramps them up after 50C and they are moving more below that to keep temps down for better clock boosts. Either way they only hit 70C or more when doing something like a bench mark, running P95 or Folding. Folding they sit around 82C with a 3900x. With these it is all about fan curve and how much and when you want to hear the fans at what temps. Even a good air cooler at the correct RPM fans should keep your temps below probably 65C when gaming, if not lower, depending on what you set the fans for. My processor does not normally break 43C while doing normal surfing while even watching Youtube vids at the same time. Most of the time it is under 40C. Right now typing this is is under 38C.
Yes but i want to keep my cooler fans at low rpm for noise.
Before this last days the fan has never been over 400rpm, so this means the CPU never touch the 65°, now insted sometimes i can ear the rpm increasing.
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post #17 of 20 (permalink) Old 06-15-2020, 09:50 PM
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My 3600 runs at 45c in csgo with min rpm cpu fan. I'm using a manual OC of [email protected], a manual OC is the only way to reduce temperature in a meaningful way. I think your 3800x could easily handle an OC of 1.25v with whatever frequency that gets you, you should be able to at least get 4.3ghz with that maybe 4.4ghz+. And don't worry about idle power consumption with a manual OC it's still much lower than stock.
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post #18 of 20 (permalink) Old 06-16-2020, 04:21 AM - Thread Starter
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Ok thank you

But i have a last question

What happen if i disable CBP ? I read some users had a big decreasing of performance ( around 20% ), can you tell me why ?

What i know this should be a few Mhz more beyond the Turbo Boost, should be only a very very minimal overclock ( 100/200Mhz ) or am i wrong ?
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post #19 of 20 (permalink) Old 06-16-2020, 02:08 PM
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For reference,

I have a 3800X, with a negative voltage offset of -0.1250, I am seeing temperatures drop by 12c, and an improvement in benchmarks.

You should try playing with various voltage offsets, and see what works best for your system.

With an ambient of 20-25c, I idle at 28-30c, gaming around 40-50c, and stress tests in the low 70s (prime 95 small FFTs)
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post #20 of 20 (permalink) Old 06-16-2020, 10:56 PM
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On my 3800X I can only run an offset of -0.1000 V before I start to see reduced Cinebench r20 scores. Asus ROG Crosshair VIII X570, BIOS version 1302.
For Cinebench r20 multi core with a -0.1000 V offset (1.3 V) I see temps max at 65°C and at defaults (1.4 V) I see 72°C. Water at 29°C

I was also surprised to see 1.5V max voltage at Auto when running the single core benchmark since my research indicated 1.35 - 1.40 V was the optimal voltage range for Ryzen 3000.

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Last edited by Asmodian; 06-16-2020 at 11:02 PM.
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