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Custom Loop High Temps ???

Gazza_P

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Guys

This was my 1st custom loop build so excuse me for if this is a dumb question ...

3800X
2080TI

My PC is sitting at IDLE

GPU Temp is Fanstastic around 24c
CPU on the other hand is on almost double 😳 at 40c

EK Coolstream CE280 Rad
2 x 140MM EK-Varder EVO 140ER Fans
EK-XRES 140 Revo D5
EK Classic CPU Block
EK Classic GPU Water Block

The Fans are 100% constant
Pump running at 70%

Highest Temp during Cinebench CPU 66C
Highest Temp during Heaven Benchmark GPU 43C

I did notice on the CPU Block my flow is reversed but doing a online search it's called a goofy setup and makes little to no difference apparently 🤔

Could it be thermalpaste ?

Loop
 
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Maybe give us the cpu spec?

my 5600x also idles around there while the gpu is about what the loop temps are.
 
I've never done a loop but have you compared your temps with online ones? Once the system has thermally soaked.
 
Is the idle temp a lot higher than before? 40deg is really not so bad for idle, especially on Ryzen, they tend to spike/dip when idling.

How are load temps on the CPU? Saw now you did post them. 66 is quite good under load, only around 45ish above ambient. Overall you're doing quite well I would say.
 
Is the idle temp a lot higher than before? 40deg is really not so bad for idle, especially on Ryzen, they tend to spike/dip when idling.

How are load temps on the CPU?
I've read that the ryzen cpu must be undervolted to prevent the heat spikes ?
 
Those temps seem normal to me, My 3600 ran similar temps.

As long as it doesn't go to 80c under load.

Mine is 5600x that goes to 75c
And my 2080ti max is 45c under load.


Sent from my iPhone using Tapatalk
 
I've read that the ryzen cpu must be undervolted to prevent the heat spikes ?
You can but you don't need to. The reason people do it is because they use stock coolers where the fan ramps up and down with the spikes, which is annoying. In your case you won't have that issue. Plus, even with undervolting, you are unlikely to succeed in stopping the spikes.

I would 100% call it a day if I were you. Your temps are very respectable and your loop looks stunning.
 
You can but you don't need to. The reason people do it is because they use stock coolers where the fan ramps up and down with the spikes, which is annoying. In your case you won't have that issue. Plus, even with undervolting, you are unlikely to succeed in stopping the spikes.

I would 100% call it a day if I were you. Your temps are very respectable and your loop looks stunning.
Had that on my Ryzen 3100 with stock fan. That pulsing fan is very irritating and once you notice it you can't ignore it without something louder drowning it out.
 
You can but you don't need to. The reason people do it is because they use stock coolers where the fan ramps up and down with the spikes, which is annoying. In your case you won't have that issue. Plus, even with undervolting, you are unlikely to succeed in stopping the spikes.

I would 100% call it a day if I were you. Your temps are very respectable and your loop looks stunning.
Okay thanks man - I will then leave it at that - I get paranoid with shit like this LOL
 
yea, my 5950x running on pbo and undervolted slightly still idles around 50c, while gpu sits at 28c.
 
1. How long have you had your loop running? It eventually finds equilibrium and the temps even out on both.
2. More rad space means fans can run at a lower rpm to push the same cooling capacity overall. Vardar fans at 100% would kill me 😅 Maybe a 120 or 140mm rad at the back to ease the overall fan speed a bit?
3. The thermal paste also needs a while to settle in to get your true temps after a re paste. Should drop around 5c at full load if its decent paste.

Overall the temps will improve in the weeks to come after the initial burn in period
 
1. How long have you had your loop running? It eventually finds equilibrium and the temps even out on both.
2. More rad space means fans can run at a lower rpm to push the same cooling capacity overall. Vardar fans at 100% would kill me 😅 Maybe a 120 or 140mm rad at the back to ease the overall fan speed a bit?
3. The thermal paste also needs a while to settle in to get your true temps after a re paste. Should drop around 5c at full load if its decent paste.

Overall the temps will improve in the weeks to come after the initial burn in period
Howsit man ,

1. It runs all day because I work from home - So at the time of this post it was on for a good 4 hours
2. The fans are surprisingly quite they don't make much noise but I will try adjust the fan speed a little to see maybe a fixed 80%
3. I have Thermal Grizzly Hydronaut I think so the GPU and CPU have the same paste
 
What temps under load? They should align better once the water starts to heat up.

Also think of the size of the CPU block vs GPU block, GPU is much bigger and no load at ilde where the metal on your CPU block is only about the size of the CPU heat spreader.
 
What temps under load? They should align better once the water starts to heat up.

Also think of the size of the CPU block vs GPU block, GPU is much bigger and no load at ilde where the metal on your CPU block is only about the size of the CPU heat spreader.
Highest Temp during Cinebench CPU 66C
Highest Temp during Heaven Benchmark GPU 43C
 
Another point - have I got it right in assuming the flow runs from the GPU directly to the CPU? In that case, in theory, the coolant will have been warmed up a bit by the GPU by the time it reaches the CPU, so there is a slightly reduced cooling capacity at the CPU.
 
Highest Temp during Cinebench CPU 66C
Highest Temp during Heaven Benchmark GPU 43C

Check you didn't install the block the wrong way around ;)

Otherwise put more rad in
 
Another point - have I got it right in assuming the flow runs from the GPU directly to the CPU? In that case, in theory, the coolant will have been warmed up a bit by the GPU by the time it reaches the CPU, so there is a slightly reduced cooling capacity at the CPU.
I've heard of this too but then I get spammed with YouTube videos from Jayz2 Cents and Linus saying that the flow of which component gets cooled 1st has zero impact .
 
Check you didn't install the block the wrong way around ;)

Otherwise put more rad in
So I have noticed like I said in the post that the block is in essence upside down - So the out port is actually in and the in is actually out .

However reading online from EKB Forum they say it makes almost no difference as the water flows through the heat stack the same way and that the setup is normal its called the "goofy" setup method LOL

BUT what I am going to do is drain this bad boy , flip the block around the right way , make 2 new pipes ( as they wont fit the same way again - Redo the thermal paste and then try again
 
Howsit man ,

1. It runs all day because I work from home - So at the time of this post it was on for a good 4 hours
2. The fans are surprisingly quite they don't make much noise but I will try adjust the fan speed a little to see maybe a fixed 80%
3. I have Thermal Grizzly Hydronaut I think so the GPU and CPU have the same paste

Then temps will definitely start dropping overtime especially with grizzly.

Definitely play with your fan speeds as they certainly dont need to run at 100% all the time.
Personally I have a fan curve with my SP120's of 50% on all fans that then ramp up to 70/80% at 70c and up.
 
I have a Corsair 1000D, 2x 480 and 1x 420mm with a 5900X and a 6900XT. I haven't fully investigated but also noticed high temps on Ryzen. It boosts to 4925mhz @ around 65-70. I believe it just the way Ryzen boosts. So believe it reasonable.
 
You're running a Ryzen cpu AND gpu on a 280mm RAD?

Risky. Add another rad + fans, or do push pull (won't do much as your current radiator is the limitation).

If only one rad is possible, consider changing it to a thicker rad.
 
EDIT: oops, never checked readings in posted pics.
 

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