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Ryzen Reporting Temp

RichardCharlesD
Level 7
So i was using H60 liquid cooling because i need am4 bracket for my H105, bracket still not shipped.
With the H60 i was getting temps at like 45-55 - which i thought is high for liquid cooling compared to my 9370.
Figured the H60 was just not as a good as a double fan 240mm cooling. So since im impatient, i bought a H100i, which is compataible with am4 out of box.

I am getting around the same reading, which i found odd. Then i read this link: https://www.techporn.ph/amd-clarifies-ryzen-7-1800x-1700x-temperature-readings/

Can i assume this accurate? can i really minus 20c off the temp im seeing and thats the accurate temp?
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Tom71
Level 7
RichardCharlesD wrote:
So i was using H60 liquid cooling because i need am4 bracket for my H105, bracket still not shipped.
With the H60 i was getting temps at like 45-55 - which i thought is high for liquid cooling compared to my 9370.
Figured the H60 was just not as a good as a double fan 240mm cooling. So since im impatient, i bought a H100i, which is compataible with am4 out of box.

I am getting around the same reading, which i found odd. Then i read this link: https://www.techporn.ph/amd-clarifies-ryzen-7-1800x-1700x-temperature-readings/

Can i assume this accurate? can i really minus 20c off the temp im seeing and thats the accurate temp?



Yes it is accurate. Sometimes I get that plus 20 reading, then sometimes I get a normal reading if I change a memory setting in the bios for some odd reason.

On my motherboard readings are completely false and make no sense even with -20C.
In bios its reporting 60C at idle 😕 I know 60C is completely false as air coming out from cooler fans is cool. And my x99 system water cooler fans are pushing out much much hotter air than Ryzen system, and x99 cpu reports 65C.
Now, once booted I launch HWInfo64.
That shows two readings:
CPU Tctl (83.8C on load) - this is the one reportedly with 20C offset
CPU ASUS sensor (75-76C on load)

I do not believe either of them, as air coming out of the cooler is cool, and base of the cooler is cool to the touch as well. Contact between cooler and cpu is perfect.
I would believe that ASUS sensore needs -20C offset, resulting in 55-56C, that would be believable, considering how cool the radiator is.

So at the moment whatever is being reported by bios or software is kinda random.
Worst thing is that motherboard ignore my manual CPU FAN speed settings, and still ramps up the fan speed to the moon when ASUS sensor reads 76C. Even if I have it set to max speed of 65% it cranks it up to 100% and that is super annoying 😞 I had to plug noctua fans to chassis connectors and set fan speed to 65% to keep it constant and silent.

panzlock
Level 12
AMD's Ryzen CPUs Aren't Running As Hot As They Say They Are


https://www.kotaku.com.au/2017/03/amds-ryzen-cpus-arent-running-as-hot-as-they-say-they-are/

http://www.eteknix.com/amd-ryzen-temperature-reporting-is-wrong/
I'd like to deploy my troops in her country.

I wonder when ASUS will fix the problem with the offset.

My fans are spinning as hell because of the temperature reporting. The CPU ist watercooled with a 280mm Radiator and tmeperatures are heading to 85°C under load, this is horrible, because the CPU never boosts to 4GHz anymore under single core load.

Also Voltages are going crazy with stock configuration its reading 1.56V sometimes. When I set voltage manually to 3.75V I am able to hit 4GHz on all Cores with same temperatures like stock configuration.

Hopefully we get a good BIOS with new AGESA Code and correct temperatures and voltages soon. Until now its horrible.

Finally got my 1800x under a Corsair H110i and finally happy with the temps.

SinartNZ wrote:
Finally got my 1800x under a Corsair H110i and finally happy with the temps.




Which BIOS do you use?
What are your temperature readings?

Zingel1986 wrote:
Which BIOS do you use?
What are your temperature readings?


EFI: 1001
CPU Temp:38c (idle) 60c (max @ 3.8Ghz) Using SIV 5.17 for temps (System Information Viewer http://rh-software.com/)

SinartNZ wrote:
EFI: 1001
CPU Temp:38c (idle) 60c (max @ 3.8Ghz) Using SIV 5.17 for temps (System Information Viewer http://rh-software.com/)


OK, maybe this software is working correctly with the offset from AMD.

But what does your C6H showing in BIOS?
My problem is, that because of reporting wrong temperatures, my CPU does not boost to 4GHz anymore and fans are spinning very fast since BIOS 5702 with BIOS 0702 everything was OK, but it killed a board, so I will not install it to the new board. Only good in 1001 ist RAM stability everything else does crazy things.

I gave up on the bios temps after I checked with a infrared thermometer and a IR camera show the BIOS temps being way off the actual temps.. more than the 20+ said by AMD.