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PC Processors

wolfhorse
Journeyman III

two identical (almost) PCs and one CPU is overheating

So I have 2 PCs both have the same size case, both have the side panel off and I just put a AMD Ryzen 5 5600X 6-Core Processor 3.70 GHz and an RTX 4060 GPU in them. the MBs are not the same but they are similar and at a casual glance both components are sitting physically in a similar configuration. Meaning the GPU is under the CPU Ram at the top on the right etc.
So why is one of the CPUs running at 75-85c while the other is down around 50-60c When I play Starfield and it seems it may be doing the same for other games. At first it I thought it was just Starfield and then I found that other PC's CPU did not overheat. And they are the same exact CPU and cooler. Now I had a shop do the work just because it's been a long time since I changed a CPU and I didn't want to mess it up and I figured he could just pop the GPUs in while he was there, ya know. I'm using coretemp on both machines to check temps and one PC will shut it self down while the other just purrs along perfectly no problems. I'm at a loss. I ordered another cooler for the one machine before I realized the other machine didn't have a problem.
So I'm at a complete loss They are large tower cases, plenty of room for airflow. I even have the problem PC's fan turned on full all the time. And still when I play SF it cranks up to 70-80 and eventually it'll get so hot the PC blue screens and I get a cpu overheat warning.
Could overheating be a bad CPU? I've never heard of that. Um...Help?

More info: I turned graphic setting to ultra and the CPU seems run a few degrees cooler but still too hot and the GPU started working a lot harder. Like 80% on task manager.
It also doesn't seem to be just SF but other games as well.

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3 Replies
Kalana
Challenger

Hi, have you checked whether the overheating CPUs heat-sink is seated properly and if Air Cooler it's locked in?

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Angeluk
Challenger

Sounds like it might be something wrong with CPU cooler. check that, and also if both cpus are running at same clock speed

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GEM2
Adept II

"MBs are not the same" could be problem, there could be different default bios values. You can use popular utilities to check freq&voltage for (Processor&Memory) / Fan speed  are same in both builds. 

 

Also compare if VRM for both boards are same. 

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