I’d hope it would sit above that lol. Hopefully near 4.8 GHz
Nah but seriously, unless you are on a laptop you should aim for 70-80c on CPU, especially Ryzen which boosts based on temps.
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Haha well spotted!
“I’m getting -90°c with my CPU overclocked to 1mhz” 
And yes thanks all, appreciate the added context from a lot of these posts. Hopefully useful insight for new PC self-builders and upgraders.
And yep to reiterate again for clarity, I read a few times all over the forum people saying their CPU was sitting permanently at 90° during flights - that’s what we really want to avoid!
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I’ve allowed Ryzen Master to apply an auto-OC to my 5800x and it now runs very nicely at 4.95GHz, with temps averaging out at somewhere between 60C and 65C.
I have a Corsair Hydro 110i GT with a reasonably aggressive fan profile, but don’t notice the sound, as i fly in VR with a headset on.
Ooooh I might have to look into that and give it a go! Thanks @HawkMoth9135!
I suppose my laptop’s 97c is a bit too high. Y’all got me thinking and studying the temp. I just had the laptop open to add memory so I know it is clean as new. I can hear the fans running and changing RPM as MSFS starts. I can’t say I’ve “overclocked” the thing because I have no idea what that is.
Bottom line, Amazon will be delivering a laptop cooling pad with four fans and 65CFM. We’ll see what it does to the temps. Using it literally as a laptop, I’m hoping the cooling pad isn’t a pain to also have on my lap.
To stop it from getting that high you can disable the turbo boost.
Set the maximum processor state for your current power plan to 99%
My processor is 2.2 ghz and can boost up to 3.8 Ghz. While that is faster, it also drives the temp up to over 95c where it gets throttled to prevent damage. In FH4 I get smoother performance, stable fps without the boost. The boost helps when it’s only needed short term, however games tend to demand it all the time which introduces stuttering due to throttling.
(Some games work better with boost though, Elite Dangerous for example that demands a lot from the CPU while generating the system map, but generally needs much less from the CPU while flying)
I already can’t understand how your CPU can reach 90°C (excluding overclocking) and more with MFS, if the game was using all the cores at 100%, ok why not, with cheap machines with bad cooling or a laptop, but here, I don’t know what to tell you, except that you have a serious cooling problem, which can also be due to your thermal paste of bad quality, or badly installed. Even with my old air cooled PCs, I don’t think I ever managed to exceed 75°C in the middle of summer, except by overclocking a lot my old CPUs like the i7 2600k which had air cooling but it was a Noctua one. Today with my i9 9900k cooled by a NZXT, it does not exceed 61 °C in bench stress at 100% for 1 hour with 21.5 °C in the house. Same for the graphics card, is running at the base Nvidia regulation temperature at 81 °C GPU load at 100%, but the ventilation is slow, if I voluntarily put it at 100% it decsend to 72°C.
Laptops are really tough to keep cool. It kind of depends on where your intake and exhaust are located. Make sure there is clear airflow. Example, if it exhausts out the bottom, make sure it is up off of a flat surface. Cooler room temperature can help but there are limits.
How do you even check your cpu temperature while playing the Sim? I heard that it is not part of Windows 10 as default.
one of the best pc monitor, HWmonitor.
it is free
Like others I just run em hard. Never had one pop but want max performance out of my games. Massively high OC voltages which of course brings heat but it’s stable at 5ghz which flight sims tend to like. I can select the OC in real time from a set of profiles I created so I don’t run it hard 24/7
Liquid cooled and very fan heavy case
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I sort-of agree, but 90 isn’t damaging. AMD designed them to keep boosting until 90 degrees (with other limits like voltage, current, power and silicon quality) because they are confident it’s safe to do so.
Official AMD response about this:
I want to be clear with everyone that AMD views temps up to 90C (5800X/5900X/5950X) and 95C (5600X) as typical and by design for full load conditions. Having a higher maximum temperature supported by the silicon and firmware allows the CPU to pursue higher and longer boost performance before the algorithm pulls back for thermal reasons.
Is it the same as Zen 2 or our competitor? No. But that doesn’t mean something is “wrong.” These parts are running exactly as-designed, producing the performance results we intend.
Sven, Forgive my computer illiteracy. When I checked, my laptop’s processor power is set at the default 100% for both battery and plugged in. Battery is probably irrelevant because I only use plugged in with the heat-making MSFS. Would 99% help?
Mine has is intake on the bottom and two exhaust on the back. The legs are slightly elevated and on a hard flat surface (a laptop to tray) to allow air flow. I enjoy cooler temps in the upper 60’s in the house so the air is cool.
The bad news is, I just did a search and found that laptops with the Intel I7-8750H may have an inherent overheating issue.
To motivate everybody to open your PC case here a picture I took of a desktop Pc of a friend living near my house. He have a small CPU cooler (stock) and this is the result of only 7 months without cleaning (I’m in charge of that). Just the CPU run more than 20 degrees cooler after cleaning and don’t throttle anymore. Below you can see a part of its GTX1060 I had also to open (separate fan from PCB) to clean it:
One more:
Disgusting isn’t it?
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Setting it to 99% is a ‘trick’ to stop the CPU from boosting up to 3.8 GHZ (in my case, 2.2 GHZ base clock, can boost up to 3.8 GHZ on demand)
At 99% it will stay at 2.2 GHZ. Boost is fine for short durations, but with FS2020 (and other CPU heavy games) it will drive the CPU temp up to where your system will limit the speed to prevent it from overheating. Basically you get it fluctuating between 3.8 GHZ and well below the base 2.2 GHZ to allow it to cool down.
At 99%, the CPU will stick to the same clock rate, which should provide smoother performance. (It does in FH4, FS2020 has many more problems though)
It will help in the sense that you get less severe stutters, fewer wild swings in fps. (It will not solve the current SU3 problems) For me the CPU now hovers around 75c instead of going up into the high 90s, get throttled to cool it down a bit, repeat.
Got it. Mine’s at 99% now. I’ll give it a try on today’s flight.
It is an interesting debate.
I’d argue that the graphic points out that at 90 degrees the CPU is managing it’s temperature by adjusting performance to prevent higher temps, unless I’m misinterpreting “the CPU is designed to automatically self-manage it’s own operating performance within this thermal envelope.”
The graphic also shows that even with a modest cooler (so anything above stock), you’re only pushing yourself further into the green, which can only be a good thing.
So essentially, I still don’t see a real reason not to dedicate some budget towards cooling your CPU, and my £80 H100x is in the “high end cooler” category of that graphic so certainly overkill. But it can sit at 55 degrees all day long, so I’m a happy bunny!
Also, I would be interested to hear if AMD dispute there being an increase in lifespan with high-end cooling? But that is a different debate, and come’s down to subjective views on what lifespan you expect, and I trust the basis of what he said as truthful.
Anyway, off topic… you’re right, the CPU isn’t going to go pop at 90°
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Not only disgusting, I would also advise your friend to consider air cleaning devices. He must be living in a poor air quality environment and that’s very bad for health.
This level of dirt I wouldn’t get even after 5 years of no computer cleaning.
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I do not know what is a life of a processor all my processors since the 90s, since my dx2 66 or dx4 100 I do not know too much, have been overclocked and had an intensive use without ever dying, my last change to date to run since 2009 to 2020 at 4.5 ghz and still works with a number of hours of operation that I can not say so much that it must be indecent, but, they have always worked with good temperature
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