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Going from 360mm to 420mm Cooler

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ktoonsez

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Discussion starter · #1 · (Edited)
I just setup my new rig z790 with a i9-13900K and cannot seem to tame this beast's temp's. I don't even bother leaving the side panels on the PC anymore because the temps will rise to the 200 range with gaming. I have managed to undervolt some but the CPU will not tolerate much, got it down to 1.38 stable at LLC 5. So my question is has anyone moved from a 360mm to a 420mm and seen a great improvement? Here is my data for the 3 coolers I had on hand that I decided to put in and test all with the side covers off all with there stock AIO fans plus Phantek's T30's doing a pull on the other side of the AIO:

ARCTIC Liquid Freezer II360mm
Running CinebenchR23 or RealBench of course creates temps of 198 to 212 F.
Playing my favorite game PGA 2K23 at ULTRA full settings with v-sync set at 160 Hz creates temps of up to 172 F

MasterLiquid Lite 360mm ARGB with Dual Chamber Pump
Running CinebenchR23 or RealBench of course creates temps of 200 to 214 F.
Playing my favorite game PGA 2K23 at ULTRA full settings with v-sync set at 160 Hz creates temps of up to 176 F

H150i 360mm
Running CinebenchR23 or RealBench of course creates temps of 196 to 216 F.
Playing my favorite game PGA 2K23 at ULTRA full settings with v-sync set at 160 Hz creates temps of up to 180 F

Hopefully someone decided to do the jump and can provide some good data to show the change.

Thanks.
 
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Discussion starter · #6 ·
tubs2x4 said:
Check your thermal paste spread? A 360 should cool it in stock form.
Click to expand...
Paste is fine, double checked it a few times to make sure it was ok, mostly because I was shocked that all 3 were almost identical. I thought my Arctic II was going to kick some butt, but as you can see they were all pretty much the same.
 
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#8 ·
geort45 said:
I'm still wondering how the hell people with that CPU, worse when they even OC it, manage to cool it, let alone folks who include a GPU in the loop... seems a massive radiator/s is mandatory for that radioactive CPU...
Click to expand...
It depends on the workload. I have a KS with a minor OC. I only game though. Average temps are around 55c. Some games can hit the cpu hard when compiling shaders where the CPU can spike to 90c but thats using nearly 300w. Keeping the CPU stock, setting a power target that is stock or even lower then intel stock limits, you can cool the 13900k or ks on a damn air cooler without issue.
 
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Discussion starter · #10 ·
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Discussion starter · #12 ·
cliffhucker said:
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Ya, I should have googled it first, lol. I see them now after I posted that. Seems like alot of mixed reviews where people get 1 to 2 degrees gain and some see 10. As I posted I replaced the coolers many times now so I would have seen if I was not getting good contact. The last few times after cleaning the old thermal paste off I did actually take a look to see if I was making good contact and everything seemed normal.
 
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#13 ·
ktoonsez said:
Ya, I should have googled it first, lol. I see them now after I posted that. Seems like alot of mixed reviews where people get 1 to 2 degrees gain and some see 10. As I posted I replaced the coolers many times now so I would have seen if I was not getting good contact. The last few times after cleaning the old thermal paste off I did actually take a look to see if I was making good contact and everything seemed normal.
Click to expand...
it is a very inexpensive thing to try. i have seen zero people say it raised temps
 
Discussion starter · #14 ·
cliffhucker said:
it is a very inexpensive thing to try. i have seen zero people say it raised temps
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That is a good call, looks like they are 15 bucks on Amazon.
 
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Discussion starter · #16 · (Edited)
cliffhucker said:
if you want to take it a step further you could lap your ihs and possibly coldplate. and get better fans and or add some to make it push pull
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Should have mentioned that, they all have stock fans on there respective AIO's but all of them did have the advantage of push and pull. The pull's are Phantek's T30's (something wierd I noticed though, the T30's claim they can run at 300 RPM's but I can only get 1900). So not much more I could do except upgrade there own fans. Kind of at a loss here, was hoping someone here had done the 360 to 420 move, guess no one has done it. And like you and ttnuagmada have mentioned the real problem is the heat transfer so I am probably out of luck anyway, its always going to run at 200+ when I game or if I do these couple of things maybe get to down to 198.
 
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Discussion starter · #17 ·
Skyhopper01 said:
It depends on the workload. I have a KS with a minor OC. I only game though. Average temps are around 55c. Some games can hit the cpu hard when compiling shaders where the CPU can spike to 90c but thats using nearly 300w. Keeping the CPU stock, setting a power target that is stock or even lower then intel stock limits, you can cool the 13900k or ks on a damn air cooler without issue.
Click to expand...
@Skyhopper01 What are your temps at idle? Maybe that could help me decide if I am making good contact. Please anyone else seeing this chime in if you have a 13900 too. I am at 100 to 102 consistently.
 
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#18 ·
Is the CPU set up bone stock in bios?

If you haven’t and properly undervolt it by finding the lowest possible Vcore under load, i bet it shaves 5-15c off of your max
 
Discussion starter · #19 ·
CarSalesman said:
Is the CPU set up bone stock in bios?

If you haven’t and properly undervolt it by finding the lowest possible Vcore under load, i bet it shaves 5-15c off of your max
Click to expand...
Yes. I have managed to undervolt some but the CPU will not tolerate much, got it down to 1.38 stable at LLC 5.
 
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#20 ·
ktoonsez said:
Yes. I have managed to undervolt some but the CPU will not tolerate much, got it down to 1.38 stable at LLC 5.
Click to expand...
so what does the vcore/vrout droop to during all core workload like cb23 multi-core or y-cruncher VST?

also, what type of oc is it as far as all core or adaptive clock ratio, and also what are the p,e, and ring ratios?
 
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