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CPU Need new Thermal Paste? What Benchmarks Programme to use?

markymoo

markymoo

markymoo

Associate
Joined
4 Nov 2010
Posts
382
I have;
5900x With a H100i elite AIO Cooler
3090 Suprim X

HWInfo is showing 91c CCD #0
Other programme Is showing 87c CCD1

This is whilst playing Beyond Human at 4k
Also Graphics card shows over 100c on the Tcore this is a Suprim X (but prob for another area)

Anyhow, I am running the CPU on stock thermal paste. I have had the PC around 2 years, but worried if the temps are high?
I have iCue running and all settings are stock. I believe the PC mag overclock as showing the boost Max at 4.8ghz and voltage 1.488

I'm thinking if it's worth taking off the AIO and reapplying g the thermal paste with some MX6. Would this resolve the temps?

Are my temps high or normal for this CPU?
Could the 3090 Suprim X be causing my CPU to overheat with the passing of heat being dragged through the top of my case?

What would be a good programme to use that I could use to run, record temps and then repeat when new thermal paste is supplied?

Thanks in advance and sorry if too much info provided. I was just hoping this may help get some clarity as haven't messed around with PC settings in a long time.
 
markymoo said:
Are my temps high or normal for this CPU?
Click to expand...
No, they're not normal for gaming.

markymoo said:
Could the 3090 Suprim X be causing my CPU to overheat with the passing of heat being dragged through the top of my case?
Click to expand...
It would play a role, sure, but unlikely to be the culprit, your case would need major airflow problems.

markymoo said:
What would be a good programme to use that I could use to run, record temps and then repeat when new thermal paste is supplied?
Click to expand...
You're using it already.
 
JollyJamma said:
Sounds high.

Is your AIO pump making a grinding noise?

I’d definitely reapply thermal paste and check that it’s seated properly.

A 5900X isn’t a hot running CPU so there’s something wrong.
Click to expand...
No, don't notice anything untoward. Though the fans do kick in.
When I come.out of games, it seeks to be still ramped up and sometimes doesn't even bother dropping the fan speed back down.
 
Tetras said:
No, they're not normal for gaming.


It would play a role, sure, but unlikely to be the culprit, your case would need major airflow problems.


You're using it already.
Click to expand...
The programme I meant, is there something recommended to run alongside the temp monitor.
Would something like Future mark be worthwhile, or is there something else I can run so I can record temps.
Then run exactly same again and check temps again to compare?
 
eeii said:
Does your case have decent airflow. Do you have a fan in the top at the rear of your case extracting the hot air.
Click to expand...
I have the Corsair 4000x icue case.
So that has 3 120mm fans on the front pulling in.
I then have the AIO at the top pushing air out through the top and a 120mm fan at the back pulling air out of the case too.
I have this with a 3090 inside.
It is underneath my glass PC Desk, on the shelf, so has around 15ck gap between tip.and the glass desk top. It does get warm in that gap, but pressume it was the Graphics Card causing all the heat.
 
Quartz said:
You might want to have that rear fan pulling air in.
Click to expand...
I could give it a try.
Though I would then have 3 fans front, 1 fan at the back, the PSU fan at the bottom all pulling in and only 2 fans at the top taking it out.
I've always wondered why fans on the GPU are on the underside rathe than on the top to pull hot air up (with heat rising and that)

Anyhow, I've now took everything apart and cleaned all the dust bunnies out of the PC. (The AIO radiator looked quite closed with dust)
I've also cleaned off and put on some MX6 Thermal Paste.
I did notice this time when using a screwdriver, the AM4 clip grabs and then the screws tilt and I've tightened it more than before.
Hopefully with all the above, the temps may drop somewhat.

Unsure what's classed as normal, but will test it all out later tonight.
 
A 3090 ia a hard GPU to cool. When I had one I even used some heatsinks attached to the backplate using thermal tape to avoid it thermal throttling, as the memory on the back are more likely to cause it than anything else in the card. Air cooling was only efficient, at least for my liking, using it vertically and with fans under it (doable with O11 or similar design).
The CPU, shouldn’t be run hot as that on games. I would try reapplying thermal paste and some slightly under volt.
 
cjgardens said:
The aio should be pulling air in. Cooler air through the rad, rather than the GPU heat
Click to expand...
That would be advised only if the GPU wasn’t a hot 3090 or if the CPU was requiring every last bit of performance from the AIO. Front intake should be able to feed cool air to the AIO and the GPU. Just need to be balanced so cool air reaches the AIO before the hot air from the GPU.
The GPU is much more limited for temperature in his setup.
 
Your temperatures are very high for stock settings on that CPU. I have a 5900X cooled by a 360mm AIO and it can spike around 75°C but generally holds around 50-60° in gaming.

I'd remove the AIO, clean the fans and rad thoroughly, repaste and reseat. Your fan orientation is fine and wouldn't be a significant contributing factor for such high CPU temps.
 
First thing I would do is run with the side panel off and see if temps drastically improve.

100c on the GPU is also way to hot. Do you have afterburner installed? Worth monitoring the GPU temps/clocks as it must be throttling at those sort of temps.
 
Drumroll said:
That would be advised only if the GPU wasn’t a hot 3090 or if the CPU was requiring every last bit of performance from the AIO. Front intake should be able to feed cool air to the AIO and the GPU. Just need to be balanced so cool air reaches the AIO before the hot air from the GPU.
The GPU is much more limited for temperature in his setup.
Click to expand...

That makes no sense whatsoever.
 
cjgardens said:
That makes no sense whatsoever.
Click to expand...
Using four different temperature sensors in the case will show how the sausage is made.
Warmer air inside the case, specially when using a hot CPU will affect negatively more components than the AIO using warmer air and only the CPU being affected by it.
The only scenario I would ever consider an AIO as intake is if the GPU have a bottom intake to compensate for it or if the AIO isn’t adequate for the CPU.
The 5900x should saturate an AIO, even a 240mm one, as long the AIO have cool air (he does, from front intake).
The 3090 is a very hot card. Will bathe the NVME, RAM and anything else near it. The rear of the GPU needs direct air, at least. It was the first card that watercooling the back of it was a most.
Unless the only fans used are the ones from the AIO, most of the warmer air from the GPU will be pushed to the rear of the case before reaching the AIO.
Trying 60% for front intake, 40% top exhaust AIO and 40% rear exhaust and adjust from there. Cards with flow through design would require more planning but the 3090 Suprim opening isn’t as much as the 4000 series.
Also, top intake is the worst thing someone can ever suggest. All the dust, even using filters (will clog up fast) will be sucked in the case.
 
Daytrader said:
Yeh its something else, i have same fan setup, and thats with a 4090 and 13900K and all fine.
Click to expand...
The 4090 cooling is much more adequate than any 3090 ever dreamed of. Even watercooled GPUs would risk thermal throttling because of rear memory.
Adding a waterblock for the back of my previous one, despite being a locked voltage model, added quite a lot of heat for the whole loop. Since moved to the 4080 and can’t ever reach such high temperatures. No need for a custom loop either.
 
Drumroll said:
Using four different temperature sensors in the case will show how the sausage is made.
Warmer air inside the case, specially when using a hot CPU will affect negatively more components than the AIO using warmer air and only the CPU being affected by it.
The only scenario I would ever consider an AIO as intake is if the GPU have a bottom intake to compensate for it or if the AIO isn’t adequate for the CPU.
The 5900x should saturate an AIO, even a 240mm one, as long the AIO have cool air (he does, from front intake).
The 3090 is a very hot card. Will bathe the NVME, RAM and anything else near it. The rear of the GPU needs direct air, at least. It was the first card that watercooling the back of it was a most.
Unless the only fans used are the ones from the AIO, most of the warmer air from the GPU will be pushed to the rear of the case before reaching the AIO.
Trying 60% for front intake, 40% top exhaust AIO and 40% rear exhaust and adjust from there. Cards with flow through design would require more planning but the 3090 Suprim opening isn’t as much as the 4000 series.
Also, top intake is the worst thing someone can ever suggest. All the dust, even using filters (will clog up fast) will be sucked in the case.
Click to expand...

How many hours of gaming would one need to make sure the sausage is cooked?
 
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