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Prime95 voltage and temps

 
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post #1 of 5 (permalink) Old 08-02-2019, 11:45 AM - Thread Starter
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Prime95 voltage and temps

Anybody who has them available for the 3600x-3800x could you post them and your CPU cooler? I'm trying to get some data on temps. I've spoken to a few people with the 3900x and they say Prime95 runs funky on it, as in lower power draw and temps than Cinebench R20 so I'm not sure Prime95 is a good metric on the 3900x.
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post #2 of 5 (permalink) Old 08-03-2019, 02:07 AM
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Here you go

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SeaSonic X750 Gold 750W
MSI X370 XPOWER Gaming Titanium | Ryzen 5 3600X 1924SUT | BCLK 100.625 | 6X | 75 mhz
GSkill TridentZ F4-3600C15D-16GTZ @ 3760/1880 mhz | 1.50v | 14-15-14-14-42-26-266-16-1T
Asus GTX 780 DCII OC @ 1332/3522 mhz | 1.3v | Samsung 960 EVO 500GB
EK-FB MSI X370 XPower RGB Monoblock 1/2" ID | Swiftech D5 MCP655 | EK-XRES 100
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Thermochill PA120.3 | 1 x NF-A12x15 | 2 x ML120 | PWM
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post #3 of 5 (permalink) Old 08-03-2019, 12:58 PM
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Quote: Originally Posted by mongoled View Post
Here you go



Is this stock cooking?


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post #4 of 5 (permalink) Old 08-04-2019, 01:41 AM - Thread Starter
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Quote: Originally Posted by mongoled View Post
Here you go


Thank you very much, this was exactly what I was looking for. BTW, why don't you have PBO enabled in the BIOS?



Quote: Originally Posted by Gettz8488 View Post
Is this stock cooking?


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No, he's got a custom loop I think, I don't custom so I'm not 100% on that but he's got 2 radiators. From those numbers the stock Wraith Spire would probably hit thermal throttle during Prime95.
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post #5 of 5 (permalink) Old 08-04-2019, 04:26 AM
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Quote: Originally Posted by Gettz8488 View Post
Is this stock cooking?
Custom loop as per sig

Quote: Originally Posted by Nonbiter View Post
Thank you very much, this was exactly what I was looking for. BTW, why don't you have PBO enabled in the BIOS?

No, he's got a custom loop I think, I don't custom so I'm not 100% on that but he's got 2 radiators. From those numbers the stock Wraith Spire would probably hit thermal throttle during Prime95.
Your welcome



I left PBO on AUTO until more mature BIOS arrive.

If you use the latest Prime95 (with AVX2 workloads) than pretty sure you will be thermal throttled. But 'thermal throttling' is an inherent part of how these CPUs work.

For non AVX2 workloads I have all core boost from 4175 - 4225 mhz, for AVX2 workloads all core boost is 4025 - 4050 mhz.

You can also see this in action with regards to temps/voltage i.e. non AVX2 workloads I have all core voltage around 1.35v - 1.375v, 72C max temp, for AVX2 workloads all core voltage 1.3v, 85C max temp

SeaSonic X750 Gold 750W
MSI X370 XPOWER Gaming Titanium | Ryzen 5 3600X 1924SUT | BCLK 100.625 | 6X | 75 mhz
GSkill TridentZ F4-3600C15D-16GTZ @ 3760/1880 mhz | 1.50v | 14-15-14-14-42-26-266-16-1T
Asus GTX 780 DCII OC @ 1332/3522 mhz | 1.3v | Samsung 960 EVO 500GB
EK-FB MSI X370 XPower RGB Monoblock 1/2" ID | Swiftech D5 MCP655 | EK-XRES 100
Alphacool NexXxoS UT60 280 | 4 x Scythe GT AP-15 @ 5v
Thermochill PA120.3 | 1 x NF-A12x15 | 2 x ML120 | PWM
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3600x , 3700x , 3800x , Prime95 , ryzen

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