Average Temp Question
So, I'm not really looking for a fix at the moment for anything as I'm having a professional switch my CPU cooler and case out, but I had some questions.

I currently run a 7800x3d in my computer, and I'm 99% sure the reason it's been sitting at almost max temp is because the cooler hasn't been attached correctly for some time. The plates, brackets, or screws have been ♥♥♥♥♥♥ up, but I'm also pretty sure it'll come with that stuff.

I'm switching from a Dark Rock Pro 4 (with ♥♥♥♥♥♥ up/loose parts) to an Arctic Freezer III Pro 420, and from the Cooler Master Master Cooler H500 ARGB to a Antec Perdormance 1FT for more breathing room.

The case and cooler have both been purchased and are on their way, and are being installed in 7 days, so I'm not interesting in looking at other parts.

But I had some questions about the 7800x3d in general.

TL;DR Questions:

What is a good idle temperature for the 7800x3d?

What is a good temperature for the 7800x3d for decent to heavy load?

What is a good temperature for the 7800x3d for max load?
最后由 Rem Lezar 编辑于; 9 月 30 日 下午 5:30
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Idle temperature is more or less meaningless. As long as it's not absurdly high at idle, which yours sounds like it is, which would indicate a cooling issue, then it's otherwise irrelevant.

A good temperature is simply one that is below TjMax, where lower is better. That's it. Lower is better because hardware lasts longer when it runs cooler as it suffers from electromigration at a slower rate. Oh, and it might technically boost some MHz higher but you're not going to notice that. As long as it's not throttling and it's below TjMax, it's fine.

Temperatures are going to vary based on environment conditions (temperature of the room itself, case and airflow setup, etc.) and also on the exact workload. Two workloads aren't necessarily equal just because they both reflect 100% use, so unfortunately you can't test something that asks 100% of the CPU and then assume that is the maximum it will ever go. This is especially true on modern CPUs because a single core is now represented by such a small amount of space that the heat it creates is concentrated in a dense area. They will also boost higher at lower core loads/lower temperatures. This means that even though they may adding less heat to the environment while under a lower core load (since they are probably drawing less total power, and the amount of heat added to the room will be determined by the wattage drawn), they can still run very warm.

If you want lower temperatures, you can try undervolting it, but stability won't be guaranteed.
最后由 Illusion of Progress 编辑于; 9 月 30 日 下午 5:43
_I_ 9 月 30 日 下午 5:42 
idle temps are meaningless

depends on lower fan speeds profiles

as long as its not hitting 90+ or throttling its fine

with the aio, keep the pump at 100% all of the time, so it always has cool coolant flowing into it and will not spike at short/quick loads, the cpu temp will rise then fall when the rad fans ramp up to cool the heated coolant
最后由 _I_ 编辑于; 9 月 30 日 下午 5:43
MancSoulja 9 月 30 日 下午 11:08 
My 7800x3D idles anywhere from 45c to 55c depending on ambient.
最后由 MancSoulja 编辑于; 9 月 30 日 下午 11:10
For most AMD Ryzen CPUs undervolting is good option since default values are usually rather ridiculous making them run too hot. You better know what you are doing though, there are guides for it on YouTube for most AMD CPUs.
I had to undervolt and manually overclock mine because it was hitting way too high voltages by default and grinding my cooling system even on idle and light use like watching YouTube videos.
After that everything is cool, fine and stable.
Tiberius 9 月 30 日 下午 11:29 
My 7950x3d is at low 40s during idle (with aircooler)
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