Question i9 9900k running very hot in some games

Nov 18, 2019
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Hi guys, I have recently upgraded from a Maximus X Hero and 8700k to a Maximus XI Formula and 9900k and am starting to regret the decision temps wise. I'm running stock settings, except for manually lowering my voltage to 1.195v. The majority of games I've tested run in the 60 degrees Celsius range, but games like BF5 and R6S are running into the mid to high 80's.

Before lowering my voltage BF5 was spiking to nearly 100 degrees. This just doesn't seem right, especially rocking a Kraken X72 and 7 case fans. In CAM all fans are set to performance mode, have also tried turning off hyper threading to no avail. My Computer case is the NZXT H700i and it gets regularly cleaned with a proper air duster. My GPU is the 2080ti Gaming X Trio. BIOS version is also up to date. Does anyone have any suggestions? Thank you.
 
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Nov 18, 2019
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To be honest it only came back from the shop a few days ago for the upgrades, so guessing the engineers would have done that there and how would i check the pump is working?
 

rds1220

Splendid
The overall temperatures at idle look ok. The 30C range isn't that bad, it's far from running hot. Usually if the pump wasn't working or they forgot to put thermal paste on the IHS the temps would constantly be in the 50-60C range and would jump excessively high when playing games. When you get a chance can you play some games and record your temps. Try two or three games and see what the temps look like.
 
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Nov 18, 2019
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Oh right ok, thank you again for your reply by the way.
Well BF5 was just fluctuating in and around the 80's, with an average of I would say 83/84 degrees, strangely R6S has just been fluctuating in the high 60's, low 70's, but last night it was in the high 70's/Low 80's. Most other games I've tried, e.g Destiny 2 have run in the 60's. Just seems like a huge fluctuation between games. What concerns me the most is it's winter with low ambients.
 

rds1220

Splendid
I really don't know what to say. The idle temps are ok, not great but ok. Under load though 70's is pretty hot and 80's is to hot. I'm not an expert on the I9 9900K but I really don't think it should be running in the high 70's into the 80's under load with an AIO water cooler. You said you didn't do any overclocking of the CPU right you just adjusted the voltages?
 

Phaaze88

Admirable
Herald
How to put this... part of your problem, or perhaps your primary issue, is the case itself.
A minimalist designed case like NZXT's H500 series - and it's identical siblings - is not ideal for running multiple high power PC components.
Airflow was not the focus of this case - not completely neglected, but it's passable. But when you've got a 9900K + 2080Ti in there... that's a lot of heat.

Cases like the Cooler Master H500P Mesh, Fractal Design Meshify C, and Phanteks Eclipse P400A, are more airflow friendly cases.
 

rds1220

Splendid
I was thinking that, I can't see anything else other then maybe the room where the computer sits is overly warm in combination with a case that isn't that great in terms of air flow. That is the only thing I can think of that would cause ok idle temps but really bad load temps.
 

Nemesia

Great
Nov 6, 2019
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How to put this... part of your problem, or perhaps your primary issue, is the case itself.
A minimalist designed case like NZXT's H500 series - and it's identical siblings - is not ideal for running multiple high power PC components.
Airflow was not the focus of this case - not completely neglected, but it's passable. But when you've got a 9900K + 2080Ti in there... that's a lot of heat.

Cases like the Cooler Master H500P Mesh, Fractal Design Meshify C, and Phanteks Eclipse P400A, are more airflow friendly cases.
This. The NZXT 700i doesn't have an open front panel. It's closed. So the air have to be taken from the bottom of that panel with probably small air intake holes. If you have hot ambient temps with that it won't help either. That CPU and GPU creates a lot of heat.
 
Nov 18, 2019
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The thing is my 8700k (Overclocked to 5ghz) never ran higher than high 60's, low 70's in exactly the same case, room etc. I actually removed the front fan cover too.
 

Phaaze88

Admirable
Herald
The thing is my 8700k (Overclocked to 5ghz) never ran higher than high 60's, low 70's in exactly the same case, room etc. I actually removed the front fan cover too.
8700K still doesn't pull as much power as the 9900K is capable of...

60's and 70's still isn't great. Under an AIO with a case with good air flow you should be looking at low 30's at idle and in the 50 to low 60's max under load.
60-70C under load is fine.

That last part of your statement is entirely dependent on the OPs ambient temps, which are usually 10-15C lower than interior case temps.
It's 25C in my room right now, and my 7820X idles between 35-40C. The OP's idle temps aren't an issue... but if they were 45C or higher, then there would be a problem.
 

rds1220

Splendid
Does resolution play a part? I game at 1440p
The higher you go in resolution the more stress is put on the video card. The lower the resolution the more stress is put on the CPU. So if I paired say a Sandy Bridge I5 with a GTX 2080TI at 720P that would be pointless and performance will be hurt. Sure I have a great GPU but at 720p all the stress will be put on an old out dated CPU causing a bottle neck and performance will suffer.
 
To be honest it only came back from the shop a few days ago for the upgrades, so guessing the engineers would have done that there and how would i check the pump is working?
If hitting 95-100C in gaming loads, something with pump (mounting, fluid flow due to contaminants/algae, gunk/blockage, coolant levels due to microleaks), is not right.....PERIOD. If the AIO affair is more than 18-24 months old, many issues can arise at that point due to the above issues...not at all uncommon. Pumps and temps sucking after 2-3 years (if lucky) is an everyday occurrence here.
 

dorsai

Honorable
Nov 23, 2013
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Play some games with the side panel off...it the temps are better then your case is the issue. If nothing changes with the side panel off then you likely have a problem with the Kraken X72 either not being mounted correctly or being defective.
 

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