No, it’s the bios that is responsible for the processor. Most likely it is trying to overclock one core and it is getting extreme temperatures there. And for such a processor the manufacturer recommends water cooling.
A game can’t heat something up, it gives it a load. If you have high temperatures, it is a mismatch between the cooling system and the processor or the system is not configured correctly. In your case, it’s both.
so AMD is selling a faulty product and the noctua nh-d15 is the worst air cooling solution on the market.
sure the bios or the chip is responsible for boosting clock speeds, but not a single piece of software yet let the cpu handle it this way. and there are many other people complaining, so its the way d4 is coded and produces the load on the cpu, handles the data, whatever. even people with an intel 9900k / 13900k etc are reporting this issue btw.
its not a mismatch between the best air cooling solution on the market (cooling a cpu that drains just 40 watts). its a mismatch between the software and the cpu, and its the only software found to cause these problems i ever heard of or noticed on my own.
edit: and this is mostly just happening after an hour of gameplay or something, the same like when the VRAM reaches 100% (12GB vram at 1080p at high textures…) and the game begins to stutter afterwards 
https://www.igorslab.de/en/extreme-load-peaks-measured-for-amds-ryzen-7000-cpus-also-in-idle/
Of course not. That’s why they’re burning up. Because some program burned them, not a crooked bios, and bios updates are released for beauty. And burned out processors are returned under warranty just for fun.
those problems with DDR5 expo profiles (or too high SOC voltage in general) were solved and just caused the x3d chips to burn out because the cache cant handle higher voltage spikes. in this case, its still the software.
the cpu boost clock behavior is abnormal. cpu boosts when needed and stops when temp ceiling (89C) or power limit (80w) is reached, but in D4 it boosts from 50 to 81C in a nanosecond while just drawing 40w and instantly falls back. must be the way the software handles some data or requests something.
and im glad i am owner of noctua nh-d15, other users report temp spikes from 60 to instantly 90C. 89C is max safe temp, so its ok, im more worried about the high temp range it suddenly and constantly changes.
Yep. And in D4, the problems were solved too.
All that’s left are your problems.
Because of auto overclocking you get those very voltages spikes, you need more voltage for high frequency. They lead to a rise in temperature.
These temperatures and peaks are not considered a problem. You’re the one who considers it a problem and that’s your concern. If it’s not. You can contact AMD or the motherboard manufacturer or a specialist who will set up your PC for you.
This software is the bios
This is the responsibility of the bios. The firmware selects the operating mode, not the program.
The program does not have the ability to control such processes. Otherwise, while browsing the next web page, intruders will burn your hardware with the browser just for fun.
These are normal web pages and they can put a lot of strain on your hardware and your hardware should work fine if it’s working properly.
https://www.matthew-x83.com/online/gpu-test.php
https://silver.urih.com/
its okay, i solved my problems by disabling pbo in bios and limiting the cpu to 99% in windows power plan and will revert these settings as soon as i am done with season 1
If the problem is as big as you say, you should report it to AMD so that in the next bios update you can play normally without any tweaks.
But most likely they will release an update in the form of a chipset driver with a dirty hack that will track whether the game is running and adjust the CPU performance based on that.
yes, but only based on the bad coding of the game 
i stick with it, something feels totally wrong there, and i did not face anything like that but in D4, so i stay safe after all what has happened with the x3d chips before. its not that i am worried because of 80 degrees. it does not feel normal and exactly that behavior only gets triggered by d4 since 3 months i am using that system.
edit:
other games have like constant cpu usage and constant average temperatures, maybe when i open up a program the temp climbs up a bit, but in D4 its like every 30 seconds or sth, he is getting some special big data streamed in and boom, for no reason, no matter where i am or what i am doing, and only after an hour of gameplay, i mean - this is strange and its a bit unneccessary to tell me it has nothing to do with the coding of the game, or that i set up my system wrong, when there are many other complaints of people. you dont know on your own, so something is strange in the way d4 and cpu communicate. even intel users report abnormal high wattage spikes. could be that blizz has the ability to change some background tasks in the game, so why not report it here??
Optimization is also about using as much of the hardware’s capabilities as possible.
If highly optimized code loads a single core and uses what it can, then auto-overclocking by overclocking just overheats a small part of the processor crystal. This is a problem with the hardware and its cooling. It’s a big load on the cooling system. Even the best cooling system can’t handle it if the frequency is too high.
i gonna admit, since i disabled processor boost mode in power settings, the CPU temp range in over an hour of D4 is reported by hwinfo at 48,1 to 53,5 degrees maximum, average temp 49,1. this is by far the best solution, and the game can uncapped still hit 200 FPS being at the GPU limit while cpu is consuming 10-20w less.
you dont even need to change anything in the bios. just leave PBO on or at -20mv, whatever you have set it. i am an idiot that i forgot, i have done the same tweak to my laptop with an ryzen 5800H inside for lowering temps by 20 degrees. this was already mentioned earlier before, but a bit different. no need to limit cpu to 99% (it still spiked to 5ghz sometimes, even though i set limit to 99%, so better do the following)
Solution for AMD users
Done.
after uninstalling Diablo 4, just turn that setting back on if you need the missing 20% of CPU horsepower
This solution definitely works, however this is a sole diablo 4 issue.
Hope this gets addressed somewhere in a patch.
“Diablo 4 Associate Game Director Joe Piepiora clarified the situation a bit on Twitter, stating that Stash tabs are memory hogs. Whenever you encounter another player, be it in Kyovashad or out in the wild battling enemies, the game loads not only the physical character and gear, but also that player’s entire Stash.”
there we got the CPU 45 degree to 90 degree spike for a nanosecond every now and then? i always felt something is wrong within the code of the game
btw: the first thing i do when making an ARPG or any other LOOT based game, is to make sure that its easy to provide enough stash to the people as this is one of the most important things in that genre, to make sure there are no hard technical limits^^
How can a major title like this be so badly optimized and your inventory tabs are actually so limited its a joke.
By the way where do I post those Fenris Crash errors?
B6A1F1EC-B0DC-4A80-AAFD-A1759DF8FD44
42DB976F-6D48-4CAB-94B3-96B71C22AB5F
9B7717F5-3FE4-4DF1-8CB5-88488D470045
E65D04DD-34E7-496E-9F88-513611BF8EF1
1485C54C-E2F3-4197-A707-E07971349D29
E667F26C-74C7-4CD5-B67C-776969823F99
D08F7102-3B82-4389-8C70-C935524DDFC5
843E5FE2-378F-4D38-943C-F8C37F624D5A
B38DAB46-B2E7-4814-A949-A086DA5BD596
Bumping this one again
Bump again before thread gets locked, still a problem.
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