UBOAT
Speed up the game also make CPU HEAT UP!
When I go like X1000 speed in world map, my CPU start increases the usage and also the heat increase pretty high, like almost 90c. I can hear my CPU fan run loud. Is it normal ?
My specs:

i5 8500 3.0GHZ
Ram 16GB
GTX 1070 8GB
SSD
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Showing 1-15 of 15 comments
Dewgle Oct 6, 2021 @ 2:22am 
Yes. Increasing game speed also increases the cycles of physics calculations per second.
SuperNiceGuy Oct 6, 2021 @ 2:25am 
Originally posted by McDewgle:
Yes. Increasing game speed also increases the cycles of physics calculations per second.
It's never happens in game like SH4 or 5, I speed up in the world map in SH4/5 and the CPU looks fine. Maybe because the world map in SH4/5 is just a blank texture while in U Boat the world map is still an actual graphic map ? (because if I zoom very close to the world map, I can zoom to my submarine instead of changing the view like SH4/5
Butterkatze Oct 6, 2021 @ 3:01am 
I have experienced the same behaviour. CPU Temps exceeding 90c regularly while GPU seems top be fine. I hope there will be some sort of optmimization in the future to make the game less CPU demanding.... :)
SuperNiceGuy Oct 6, 2021 @ 3:17am 
Originally posted by Butterkatze:
I have experienced the same behaviour. CPU Temps exceeding 90c regularly while GPU seems top be fine. I hope there will be some sort of optmimization in the future to make the game less CPU demanding.... :)
Yes, exactly , the GPU looks pretty normal around 45~65 percent while CPU keep going 70~90% and heat up to 90c, I tried to set the setting to very low even my specs can run with Ultra according to the game systems requirements, but after all, speed up the game still make CPU heat up like crazy. This game is really good at current stage but with this issues, I'm afraid that I have to wait for a next few patches so I can play this game without worry my CPU being frying. :steamsad:
ждун Oct 6, 2021 @ 3:54am 
maybe its time to clean the fans and maybe renew the thermal grease?

It should not heat up to 90c, even on 100% load. I have no more then 70c when playing uboat.
Butterkatze Oct 6, 2021 @ 4:02am 
Originally posted by ждун:
maybe its time to clean the fans and maybe renew the thermal grease?

It should not heat up to 90c, even on 100% load. I have no more then 70c when playing uboat.

Thanks for this suggestion. But my System ist quite new and I already cleaned it.
I think this problem ist game related as I haven't experienced this Problem while playing other games...
ждун Oct 6, 2021 @ 4:21am 
Originally posted by Butterkatze:
I think this problem ist game related as I haven't experienced this Problem while playing other games...

i had to deal with a thermal issue myself just recently. CPU was heating up extremely, for some games more then for others of course but everywhere way too hot. In uboat i quickly reached 95c, where my cpu started throttling down. The problem was growing over time, started already two months ago to get warmer then usual. In the end it turned out to be a defect AIO cooling. Manufacturer has exchanged it for me due to warranty and the temps are back to normals again. Prime is now not heating up over 82. In uboat no more then 70, usually 60-65.

to make sure that you are really not starting to develop a thermal issue i suggest running prime95 cpu test at least for 30 minutes. If it heats up in prime test over 90c in few minutes you are likely starting to develop thermal issue, that might grow and affect other games soon too.

In most cases just proper cleaning and replacing thermal grease resolves such issues for next few years. If that doesn't help, then there might be hadware releated defect. Could be CPU itself having a problem, or if AIO is used it might have a defect or some other issue like in my case was.

I wouldn't do much yet but monitoring the thermals also in other games. If themperatures are becoming worse i would definetelly try replacing thermal grease first. If poor quality grease was used or was applied not properly it can lead to a growing thermal issue. Renewing the grease may in some cases make a difference of 20c or more.





Dewgle Oct 6, 2021 @ 4:35am 
ждун is correct. Your CPU should not be reaching 90°c even under 100% load no matter what game you're playing. See this article:
https://www.makeuseof.com/tag/pc-operating-temperatures-hot-hot/

I recommended downloading FurMark. it's a free application that will force your CPU to run at 100% usage, thus allowing you to test your system's cooling capabilities. You can find it here https://geeks3d.com/furmark/

In order to view the temps of your PC's various sensors, you're going to need an app like https://www.hwinfo.com/

When I use FurMark and run a CPU burn test, I never even rise above 75°c and before you ask, no, it's not possible for a game to make your temperature rise higher than it will under a 100% burn test.

"I haven't experienced this Problem while playing other games..."

Everyone says this until they find a game that does. Uboat just happened to be the game that made you notice.
Demian Oct 6, 2021 @ 6:29am 
Originally posted by Butterkatze:
Originally posted by ждун:
maybe its time to clean the fans and maybe renew the thermal grease?

It should not heat up to 90c, even on 100% load. I have no more then 70c when playing uboat.

Thanks for this suggestion. But my System ist quite new and I already cleaned it.
I think this problem ist game related as I haven't experienced this Problem while playing other games...

Hey,
I have the same issues. A few months ago my pc just shut down due to overheating while playing this game. A few minutes later, the PC was able to be booted again.
Since then it has become better, but the CPU is still getting pretty warm. Due to the fact, that the phenomena is just occuring while playing Uboat (other games with higher GFX- and physics-requirements are not causing problems), the problem sticks in the game. Unfortunatelly I have no solution for you to fix this issue. I guess we have to wait until the devs are working on this problem.
Urfisch Oct 6, 2021 @ 6:32am 
If cooling works as intended you might decrease the output of your card (or cpu) by limiting fps (setting in the game) or with a matching tool, like msi afterburner or similar.

This temperature thing is an issue, that exists from the beginning and can often be solved by the ingame fps limiter. The reasons for high temps vary from system to system. Sometimes the card is too weak, sometimes the resource management of the os is not ideal, sometimes its just a dirty case or fan or sometimes the gpu driver is not suitable for the games needs. But its a fact, that unity requests a lot of resources from the system.
Last edited by Urfisch; Oct 6, 2021 @ 6:33am
Dewgle Oct 6, 2021 @ 7:45am 
Originally posted by Demian:
the problem sticks in the game. Unfortunatelly I have no solution for you to fix this issue.

While the statement that Uboat requires more CPU usage than most other games in your collection may be true, the fact remains that if a player's CPU temperature or GPU temperature rises to unsafe levels, that is inherently an end-user issue.

A game cannot arbitrarily make your system run at higher temperatures. What a game can do is draw upon more or less resources your PC has available.

Clearly Uboat is drawing on more resources than your average game, I'm not arguing against that. But (and I cannot emphasize the importance of this enough) if your CPU reaches temperatures approaching 95°c, this is an indication of inadequate cooling.

I run the game on maximum graphical settings at a resolution of 2560x1080 and my CPU temperature never rises above 75°c. My system is just an off-the-shelf prebuilt PC, air cooled in a room with an ambient temperature of 22°c.

I can also run a CPU burn-test which forces my CPU to run at 100% usage and my results do not change, my CPU never climbs above 75°c.

Does Uboat need optimization? Yes.

But do users need to dust their PCs and make sure their desktop or laptop receives adequate cooling in a room-temperature room? Also yes.

Free0ly's suggestion to enable a frame limiter or V-Sync should also help.
Last edited by Dewgle; Oct 6, 2021 @ 8:57am
ждун Oct 6, 2021 @ 8:47am 
Originally posted by Demian:

Hey,
I have the same issues. A few months ago my pc just shut down due to overheating while playing this game. A few minutes later, the PC was able to be booted again.
Since then it has become better, but the CPU is still getting pretty warm. Due to the fact, that the phenomena is just occuring while playing Uboat (other games with higher GFX- and physics-requirements are not causing problems), the problem sticks in the game. Unfortunatelly I have no solution for you to fix this issue. I guess we have to wait until the devs are working on this problem.

Uboat is indeed demanding on hardware, but the point is: if your CPU actually can heat up to a point where it performs an emergency shutdown, your whole system is thermally unstable. For sure thats not the games problem.

with proper cooling solution CPU should never overheat, even when tortured with maximum possible load on it. If it does overheat, its cooling is certainly insufficient.

Games typically draw less cpu power and run cooler compared to CPU torture tests such as Prime95. If its overheating while playing a video game it will certainly overheat in performance and torture tests too. Considering when the CPU is properly cooled, and is not overheating in torture test, it will also run in UBOAT with 65-75 C max which is about normal.



Red_Seven_ Oct 6, 2021 @ 9:21am 
My setup:
Ryzen 7 3800X, RTX 2070 Super on 3440x1440@100Hz, 32GB RAM@3200MHz, Gen4 NVMe SSD; drivers/patches up to date.

All settings on max/ultra/whatever and limited to 50fps, not because of performance or heat issues, but the GPU was constantly above 97% utilization. The game now feels a little more smooth as well.
Nevertheless I can't get rid of the annoying 2 or 3 second freezes which especially on high TC let you skip about 50km distance or even worse let you run into the harbor quay because you coulnd't reduce the speed in time. These occur through all levels of TC and even in real time, in map, section and ego view.
Does anyone else have these freezes? And how do avoid them?
Maybe it's caused by missing optimization of the game what would be no problem on an EA title, but maybe there's a way around?!
Butterkatze Oct 7, 2021 @ 12:32am 
Originally posted by ждун:
Originally posted by Butterkatze:
I think this problem ist game related as I haven't experienced this Problem while playing other games...
[...]

to make sure that you are really not starting to develop a thermal issue i suggest running prime95 cpu test at least for 30 minutes. If it heats up in prime test over 90c in few minutes you are likely starting to develop thermal issue, that might grow and affect other games soon too.

In most cases just proper cleaning and replacing thermal grease resolves such issues for next few years.
I wouldn't do much yet but monitoring the thermals also in other games. If themperatures are becoming worse i would definetelly try replacing thermal grease first.

Thanks once again for your detailed answer and solution! I´ll give it a try. I am already monitoring my CPU/ GPU temps. But I will have a look into the aforementioned CPU stresstests and will try to pin point the root to this problem. Won´t be able to do this right away but within this month I think .

Originally posted by FreekOly (aka Urfisch):
If cooling works as intended you might decrease the output of your card (or cpu) by limiting fps (setting in the game) or with a matching tool, like msi afterburner or similar.

Once again thank you for your reply! For now I think cooling works as intended - but I will verify this, maybe it is not and I need to have a deeper look into it. I already set a frame limit, but thanks for your sugestion :)

Originally posted by McDewgle:
ждун is correct. Your CPU should not be reaching 90°c even under 100% load no matter what game you're playing. S
In order to view the temps of your PC's various sensors, you're going to need an app like https://www.hwinfo.com/

"I haven't experienced this Problem while playing other games..."

Everyone says this until they find a game that does. Uboat just happened to be the game that made you notice.

Thanks for the background links and solutions as well! [...] "I haven´t experienced this [...] ... now I feel like this is some sort of "It can´t be my problem " excuse I tried to ease my way out. Wasn´t intended to offend :o

My System:

i7-10700T, 16GB Ram, NVIDIA GeForce GTX 1650

My next steps: verifiying cooling capabilities while using CPU stresstest, if stresstests will lead to a steep increas of temps over a short period of time and staying at high temps I will try to apply new thermal grease as suggested and rerun the stresstest :)
Last edited by Butterkatze; Oct 7, 2021 @ 12:37am
Urfisch Oct 7, 2021 @ 1:28am 
We will likely solve this ;) at some point, somehow :D as this happens again and again, but only for some players, it's getting scientific...
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Date Posted: Oct 6, 2021 @ 2:17am
Posts: 15