Safe temperature for i9-14900 in long calculations

[Eugene3]

I have some NP problem that I am using a water cooled i9-14900 to solve. For combinatorial search, I use all 32 threads on the processor (CPU utilization up to 100%), not 24/7, but many hours every day, and this is possible until the end of the year. I use Intel Extreme Tuning Utility to improve performance. I aim for a Package Temperature of no more than 70 degrees (a psychologically comfortable number for me). No any problems with PC. But what is a really safe temperature for the processor during many hours of calculations with the maximum load of all cores? Thank you.

[n_scott_pearson]

Are you sure you didn't mean Core i9-14900?

[Eugene3]

sorry, i9-14900

[n_scott_pearson]

Intel will tell you that any temperature up to the Maximum Junction Temperature (Tjmax) is perfectly fine, but you don't want your temperatures sitting anywhere near that level. Further, the hotter your processor, the hotter the components around the processor (on the motherboard), and these components may not be as good at handling the higher thermal levels.

I would suggest that maintaining a limit (via your cooling solution and its configuration) of ~85c would be appropriate. Spikes over this limit will undoubtedly happen, but those of short duration should not have any lasting effect on the processor's operation or lifetime.

Hope this helps,

...S