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i5-9600k is at 95c+ when gaming is that safe?

My CPU has always been pretty hot but now that I upgraded my GPU so I can run games I normally could not for example Tiny Tina's Wonderland my CPU goes to 95c and spikes at 100c. I have no idea if that is just because of the game or my cooler. I play games like apex, dead by daylight, and elden ring on decently high settings and my CPU only manages to scratch 90c but will mostly be around 85-88c. I'm not sure what is making my CPU so hot I think it might also be because it recently has been getting a lot hotter where I am in combination with my GPU that can actually get hot because my previous GPU a 1060 3gb stayed pretty frosty compared to my 1080ti. If anyone could give me some ideas on what could be causing this heat issue or what I could do to try and help the problem. I will soon re apply thermal paste to my CPU once I get thermal paste and I have recently dusted my pc. Thank you in advance.

Specs
CPU i5-9600k @ 3.70GHz (Max VID 1.224 V)

Mobo ASUS TUF z390
Cooler Coolermaster Hyper 212 Evo
GPU ASUS ROG STRIX 1080 ti
 

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@wombatwilson Usual suspects, if the GPU is heating the CPU then how are your case fans?

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Those temps arent unheard of. You were probably GPU bottlenecked before and upgrading to the new gpu allowed the cpu to do more would be my guess. Since all other things have stayed the same this is the only thing that makes sense, unless the gpu is kicking more hot air into your cpu cooler now. 
So as the above suggested, might need a better cooler for your cpu or maybe another case fan if your care can hold it.

Regardless you're not gonna damage your cpu, that should be fine.

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GTX 1080 Ti will dump more heat out than a GTX 1060.

 

Hyper 212 EVO was a decent cooler.... 7 years ago....not anymore.

I would suggest a CPU Cooler upgrade.

 

Also check the fans + airflow of your computer case / chassis.

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18 hours ago, wombatwillson said:

My CPU has always been pretty hot but now that I upgraded my GPU so I can run games I normally could not for example Tiny Tina's Wonderland my CPU goes to 95c and spikes at 100c. I have no idea if that is just because of the game or my cooler. I play games like apex, dead by daylight, and elden ring on decently high settings and my CPU only manages to scratch 90c but will mostly be around 85-88c. I'm not sure what is making my CPU so hot I think it might also be because it recently has been getting a lot hotter where I am in combination with my GPU that can actually get hot because my previous GPU a 1060 3gb stayed pretty frosty compared to my 1080ti. If anyone could give me some ideas on what could be causing this heat issue or what I could do to try and help the problem. I will soon re apply thermal paste to my CPU once I get thermal paste and I have recently dusted my pc. Thank you in advance.

Specs
CPU i5-9600k @ 3.70GHz (Max VID 1.224 V)

Mobo ASUS TUF z390
Cooler Coolermaster Hyper 212 Evo
GPU ASUS ROG STRIX 1080 ti
 

cpu should stya under 80c

 

you have bad thermal paste or bad heatsink placement

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