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niko79
Adept I

3700x high idle temps

Hello!

Is it normal for the ryzen 3700x to run in my opinion hot when idle, and do you know any solution or is there something wrong with my cpu?

My  cpu temps are avg 54 celsius at 2042 rpm fan speed when idle

when gaming COD MW the highest cpu temps are 75 celsius with all graphics settings at high(thats pretty reasonable with stock cooler)

but i cant figure out why i have so high idle cpu temps.

My rig:

  • CPU: AMD Ryzen 7 3700X (Matisse, MTS-B0)
    3600 MHz (36.00x100.0) @ 4292 MHz (43.00x99.8) - Cooler: Wraith prism(stock)
  • Motherboard: ASUS TUF GAMING X570-PLUS (WI-FI)
    BIOS: 1407, 04/01/2020
    Chipset: AMD X570 (Bixby) v. 2.04.28.626
  • Memory: 16384 MBytes @ 1796 MHz, 18-22-22-42
    - 8192 MB PC17000 DDR4 SDRAM - Corsair CMK16GX4M2D3600C18
    - 8192 MB PC17000 DDR4 SDRAM - Corsair CMK16GX4M2D3600C18
  • Graphics: ASUS ROG STRIX RTX 2070 SUPER GAMING
    NVIDIA GeForce RTX 2070 Super, 8192 MB GDDR6 SDRAM
  • Drive: ADATA SX8200PNP, 1000.2 GB, NVMe
    Drive: WDC WD10EAVS-00D7B0, 976.8 GB, Serial ATA 3Gb/s
  • Case: Phanteks p400a rgb 
Tags (2)
19 Replies
wth
Adept II

Re: 3700x high idle temps

Yeah sounds very high to me.My 3700x I just built is dead idling at 34 to 38 c with nothing running.Maybe try re seating the cooler and using a different thermal paste.I didn't use the stock paste that came already applied to the wraith prism cooler but instead used some Gelid gc extreme thermal paste.Also try turning the fan switch on the wraith to the high setting if u haven't.

 

qbtheslayer
Challenger

Re: 3700x high idle temps

It also depends on how much stuff you have running in the background.  I have the same MB (non Wi-Fi) and CPU as you do and I too was a little concerned since I was idling very close to 50C with an Corsair iCUE H100i RGB PRO XT 240mm AIO  ouch!

I did work out a simple and effective cooling measure that even boosts performance a healthy bit.  Get the latest chipset drivers and use the Ryzen Performance Power Profile, then in the BIOS set PBO to enabled (leave everything else as AUTO) and set a VCore offset to -0.13125V.  You may even be able to go further with the offset depending on Silicon Lottery.  Just like over-clocking, under-volting is a trial and crash type of deal.  You set an under-volt and if the system crashes you know you went to far...  Same goes for random out of the blue crashes days or weeks later.  When that happens you know you are close and can probably just increase the voltage one notch higher and be golden.  That's how I found the -0.13125 V...  I started at -0.15000 V and crashed immediately, -0.14375 V went almost the entire night without a crash, -0.13750 V went days and days without a crash and I thought I was golden until a simple file re-name gave me a BSOD LOL...  and so it was -0.13125 V.

There is also a few more PBO settings (buildzoid did a video on 3rd gen Ryzen simple performance boost without overclocking) that can give a little more performance and those seem to stabilize clocks and voltages and I have been using those and back to the -0.14375 V Vcore offset.

I came from an FX-8350, so these new CPU's are a totally different beast when it comes to clocks and temps.

QB

niko79
Adept I

Re: 3700x high idle temps

Thanks for response.

yeah i actually saw that video earlier. But my stand point is that the chips should run smooth straight out from the box. Some people have high temps and some have lower, just like you.

i have the newest chipset driver installed and are using the balanced plan. when selecting the high performance ryzen - the cpu goes some degrees up under idle.

but in when i build it back in feburary the idle temps where lower. but the last 3 weeks my idle temps has been higher and i have fps drop in COD MW... went from 152 avg to 90 avg at the same graphic settings. 

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curnal
Adept I

Re: 3700x high idle temps

I had a similar problem but more pronounced.  I just swapped out the AMD CPU FAN with another and that solved the problem.  I'm now idling around 30C.  It could very well be the fan for you too.  

qbtheslayer
Challenger

Re: 3700x high idle temps

Those temps look okay from my experience...  you have a lot of stuff running in the background.  A fresh clean install will always perform better then a system full of software and apps running.  For example, if I disable all my startups and reboot I can score about 200 more in Cinebench20 then I could right now with everything up and running.

QB

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pokester
MVP

Re: 3700x high idle temps

I had similar temps on my 3700. I went to a CM 212 Evo and now idles 29-33 and never about 73 under load. CPUs will always be subject to the silicon lottery. The wraith prism IMHO is only good enough for those lottery winners with the cooler cpus. My other system with a 3600 and the Wraith Stealth was way worse than that. 

For 35 bucks you can get a cooler that will make you happy. I agree however that should not be necessary and AMD should have included a cooler adequate for the whole spectrum of temp ranges they allow their chips to ship at. 

0 Likes
r29k
Adept I

Re: 3700x high idle temps

Just got the 3700x and was browsing and saw this, so I created an account to say this! This chip is incredible, but you have to change a couple settings. 

1) set the exact voltage for the CPU in the bios, the motherboard seems to create a mess with voltages all over the place generally?!! Try not to use auto for anything you know the exact value!

2) Modify the ryzen power plan on windows 10! In the advanced settings change the Minimum Processor State to 0% and the Maximum to 99% that's essential! You will find that when you stress the processor with these settings, it will not go over 65C considering you have reasonable ambient temps. You will also find in the Ryzen Master that the power usage for the CPU under load is around 35 watts! I don't know if that's an error but I find it incredible. The package will be under 55 watts! 

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qbtheslayer
Challenger

Re: 3700x high idle temps

So how is your performance?  You need to verify changes like this with performance...  If you are okay with handicapping performance than a change like this is okay.  A quick and easy way to test settings like this is to run Cinebench R20 (both single and multi).

QB

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r29k
Adept I

Re: 3700x high idle temps

I did test with AIDA64 and the scores were the same. The chip still boosts it just doesn't stay constantly around the 3.8 -4 GHz like it does by default. When I first popped in this chip yesterday, I went from a 2700 to this, the chip idled at 55c and under load it hit 90c. Now it's 40c and 65c so I'll take that. I'll test with cinebench later when I get time and post results for normal and modded power. 

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