High CPU and GPU temps

[Astral.]

I recently upgraded from a 2060 super to a 6800xt. My current rig is a 5900x with H100i 240mm and a 6800xt in a 4000x. I was looking at my temps lately and I've noticed they were quite high. Around 70 degree idle on the CPU and around 52 degrees on the GPU. Under a synthetic load (cinebench and furmark) the CPU hits 80 degrees with the GPU at 91 with a hotspot of 99. When I play cyberpunk, both sit around 80 degrees, with the GPU hotspot of 90. I feel like these temps are kinda high? I'm not sure if it's because my case is too small, or my fans are too slow. Any help would be greatly appreciated Pictures of my idle and max temps are below, along with a picture of my case so someone can tell me if it's too small. 

[Alex Atkin UK]

27 minutes ago, Astral. said:

I recently upgraded from a 2060 super to a 6800xt. My current rig is a 5900x with H100i 240mm and a 6800xt in a 4000x. I was looking at my temps lately and I've noticed they were quite high. Around 70 degree idle on the CPU and around 52 degrees on the GPU. Under a synthetic load (cinebench and furmark) the CPU hits 80 degrees with the GPU at 91 with a hotspot of 99. When I play cyberpunk, both sit around 80 degrees, with the GPU hotspot of 90. I feel like these temps are kinda high? I'm not sure if it's because my case is too small, or my fans are too slow. Any help would be greatly appreciated Pictures of my idle and max temps are below, along with a picture of my case so someone can tell me if it's too small. 

If you are using some default fan profile then yes, its likely the CPU is not getting optimally cooled as the default probably wont ramp the fans up to full speed.

 

GPU on the other hand, it is rather restricted in that case.  I know on my 4090 I found what really made a huge difference was that I had a space below it exactly the same height as the intake fan and I moved the bottom fan to blow exactly into that space.  Blowing under the PSU shroud dramatically reduces how effective that intake is.

I wouldn't be surprised if losing the middle fan and moving the bottom one slightly higher might actually perform better, as I found having a fan blowing on the end of the GPU does very little.  Then again, my case is huge.

I also wonder about the anti-sag bracket, could it be reducing airflow?

[Astral.]

8 hours ago, Alex Atkin UK said:

If you are using some default fan profile then yes, its likely the CPU is not getting optimally cooled as the default probably wont ramp the fans up to full speed.

 

GPU on the other hand, it is rather restricted in that case.  I know on my 4090 I found what really made a huge difference was that I had a space below it exactly the same height as the intake fan and I moved the bottom fan to blow exactly into that space.  Blowing under the PSU shroud dramatically reduces how effective that intake is.

I wouldn't be surprised if losing the middle fan and moving the bottom one slightly higher might actually perform better, as I found having a fan blowing on the end of the GPU does very little.  Then again, my case is huge.

I also wonder about the anti-sag bracket, could it be reducing airflow?

I have changed my fan curves to ramp to 100% at around 75 degrees on the CPU so I don't believe that to be the issue. I will try moving the fans tomorrow morning to see if that lowers the temps. Thanks for the help

[Alex Atkin UK]

4 hours ago, Astral. said:

I have changed my fan curves to ramp to 100% at around 75 degrees on the CPU so I don't believe that to be the issue. I will try moving the fans tomorrow morning to see if that lowers the temps. Thanks for the help

I mean if that doesn't help, you can reverse the radiator fans to intake, though that would suck for appearance as you wont be able to see the RGB any more.  Trouble is, its GPU temp that is more the issue here if you're happy with how the CPU is clocking under load.

[TVwazhere]

On 9/15/2023 at 4:52 PM, Astral. said:

I recently upgraded from a 2060 super to a 6800xt. My current rig is a 5900x with H100i 240mm and a 6800xt in a 4000x

Take off the front Tempered glass panel.