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Various cooling questions (case fans + GPU aio) need ranking of asatek aio pump noise - Page 8  

post #71 of 131
Quote:
Originally Posted by MadjinnSayan View Post

Uhhh okay? Thanks for reassuring me i guess ? Have i created something new or something ? Does he ever get offended?
No, this is typical of enthusiasts on this forum. Just try and ignore any personal attacks and insults, they are coming from a dangerous place.
Quote:
Also, could you please from now on indicate what part is concerned when you say any aio is noisy, i only need to know for the pump (repeating myself for clarity sake : can undervolt fans, change em)
Sorry to be unclear - I was always referring to pump noise. As you know, fans can be changed.
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post #72 of 131
Thread Starter 
Ok thanks, you talked earlier about 2 aio one quieter than the other, are they the kraken ?

Edit : gotta sleep, still post an answer if you have one please.
 
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post #73 of 131
X31 is horrible, x41 should be one of the better ones, h55 should be middle of the pack. That's the impression I have.
I wanted to try x41, but it is too expensive so never bothered.
post #74 of 131
Very little testing is done accurately The reason is the airflow into cooler and radiators is rarely monitored in real time like the CPU or GPU are. The result is accurate readings of CPU or GPU temps but no real time reading of airflow into their coolers, so no accurate way to calculate differences

On an open bench the cooler intake airflow has maybe 3-5c different than room. More if it's a down flow cooler because of lack of airlfow separation. GPU coolers also have more variance in intake air temps. because of lack of airflow separation. Inside a case is even worse where variances can easily reach 20-25c.

Most cooler tests are comparing how the coolers perform in a given system in a given room. The system and room the testers use and impossible for anyone to recreate. Even testing on a bench has different cooler intake air temps depending on cooler and also the fact there is more warmed air flowing around on the bench then elsewhere in the room.

End result is without knowing cooler intake air temp we have no baseline on which to calculate the cooler's performance.

But a certain Wookiee probably thinks I'm wrong . tongue.gif
Maybe he's really a Mog. \half man, half dog .. his own best friend. as they said in Spaceballs.
post #75 of 131
Quote:
Originally Posted by claes View Post

Do you know of any sources that actually do this besides yourself? AFAIK there are none.
I'm assuming the answer is no, and that you're just reaching for a hypothetical to show how much we agree with each other by insulting me?

I haven't even disagreed with you on this topic, and have in fact only provided "evidence" that warranted your claims (as best as possible given the limitations of reviewers and the lack of scientific data available rolleyes.gif)... I generally think you are right about most things, but I've had enough PM discussions about your maturity, arrogance, and reactionary analysis to not take this all that personally.
Edited by claes - 2/4/16 at 3:58pm
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post #76 of 131
Thread Starter 
Case and overall temp-wise, arent the aio better than non-blower aftermarket gpu cooler in the way that they dont freak up the airflow inside and the temps of the air supplied to the other parts ?

Also i still demand a comparison between h55,x41,the water 3.0 performer and the arctic freezer series (please, no more h55 vs x41 vs x31, i merely understood the value of these 3 already after witnessing the comparison in every single post refering to my question, thanks).
My point is : if 'The X41 pump is substantially quieter than the X31, so we only tested it at 12V and 9V', it does mean that there may be sizeable pump noise differences between these aio, even if their manufacturer and design is the same (revisions pls),
Edited by MadjinnSayan - 2/5/16 at 1:47am
 
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post #77 of 131
Quote:
Originally Posted by MadjinnSayan View Post

Case and overall temp-wise, arent the aio better than non-blower aftermarket gpu cooler in the way that they dont freak up the airflow inside and the temps of the air supplied to the other parts ?

Also i still demand a comparison between h55,x41,the water 3.0 performer and the arctic freezer series (please, no more h55 vs x41 vs x31, i merely understood the value of these 3 already after witnessing the comparison in every single post refering to my question, thanks).
My point is : if 'The X41 pump is substantially quieter than the X31, so we only tested it at 12V and 9V', it does mean that there may be sizeable pump noise differences between these aio, even if their manufacturer and design is the same (revisions pls),
No. They are generally noisier and while they may cool the GPU processor a little better the CLC supplies no airflow to any of the other components on the GPU PCB.

Think of the CLC GPU cooler as the CPU cooler. CPU cooler only cools CPU. It does not cool the GPU, RAM, or any of the components in the motherboard.

Most CLC GPU coolers are the same. The only cool the GPU processor, but not the GPU PCB or it's components. The stock GPU cooler moves air over the entire area of GPU PCB.

Good aftermarket GPU coolers include a bunch of heatsinks to put on GPU PCB components. Some also have a heatsink backplate that covers the back of GPU PCB.

Proper cooling is the combination of component, heatsink, airflow and airflow heat separation. Few people understand this. They think if a component is getting hot all they need to do is add more fans and/or get a bigger cooler. Then they are upset when their system is still running hot.

Cooling is not just the component that absorb and radiates heat. That component does no good if there is no airflow over / through it to absorb the heat and move it away and out out of the case. Additionally this airflow has to move the heated air out of case so it does not contaminate and warm up the air coming into case and going to component.
post #78 of 131
Thread Starter 
Cpu wise, yes i agree air coolers do provide additionai airflow for the mobo as long as it is top down.
Yes, vrm cooling is almost always done by tiny heatsinks on them, this is what i will do with the g10, he only difference is that it will be more efficient than traditional air coolers as the bracket vrm fan airflow will not be restricted by the main gpu heatsink fins as stated earlier
He g10 solution my also offer better case airflow as it wil most likely blow air out on the top or back or create negative pressure as froont intake.
As i said earlier, this may prove better than non-blower heatsinks, which simply blow heat in every direction, maybe cooling the overheating mobo battery, or the steaming-hot usb connectors underneath the gpu
 
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post #79 of 131
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post #80 of 131
While doyll is right, I can see that he talked through you more than to you...
Quote:
Originally Posted by MadjinnSayan View Post

Case and overall temp-wise, arent the aio better than non-blower aftermarket gpu cooler in the way that they dont freak up the airflow inside and the temps of the air supplied to the other parts ?
In a theoretical world, sure, but in reality, no.

Air goes where you push it. If anything, having fans in the chassis help direct air, while relying totally on intake and exhaust (say, if you're only using water-cooling) leaves the chassis open to dead spaces.

While it's true that chassis temperatures decrease overall with water-cooling, that doesn't mean components are actually running cooler.

With full cover water blocks this isn't much of an issue - things like the VRM and the northbridge are being cooled with water blocks.

With CLCs it is an issue - since they only cool cores there's a lack of cooling for other components, and since there's no airflow over these components due to dead-spaces they get hotter.

You can see this outlined pretty clearly in several of those reviews I posted - a 290, even with the Kraken's fan blowing directly at the VRM, the VRM eventually get so hot that they eventually throttle the core, despite the core running nice and cool.
Quote:
Also i still demand a comparison between h55,x41,the water 3.0 performer and the arctic freezer series (please, no more h55 vs x41 vs x31, i merely understood the value of these 3 already after witnessing the comparison in every single post refering to my question, thanks).
I am not sure what the latter part of this means, but please refer to my previous post identifying which generation each pump is.

There really is no significant difference between CLCs across the same revision other than a) the fans bundled and b) the firmware/controller features (USB, lighting, etc). Some have thinner or thicker radiators, but this doesn't seem to impact performance much (the thinner radiator of the x41 outperforms thicker radiators according to most review sites).

The pump of a particular generation will be exactly the same across that generation, regardless of brand name, with the exception of controls.

It sounds like you are committed go the CLC route. Again, IMO, FWIW, the x41 is the best option here. It is still inferior to a good air cooler, though.

Perhaps this will help clarify why no one is bothering too much to provide a side by side comparison: http://www.asetek.com/desktop/oem-cpu-coolers/510lc/

As you can see, they produce a few CLCs and then other companies rebrand them. They really are basically all the same.
Quote:
My point is : if 'The X41 pump is substantially quieter than the X31, so we only tested it at 12V and 9V', it does mean that there may be sizeable pump noise differences between these aio, even if their manufacturer and design is the same (revisions pls),
They are different revisions and the CAM software sucked at first.

The newer revision is marginally better, but it's still an Asetek CLC.
Quote:
Originally Posted by MadjinnSayan View Post

Cpu wise, yes i agree air coolers do provide additionai airflow for the mobo as long as it is top down.
This is inaccurate - even a tower heatsink is blowing air directly across the north bridge, RAM, and other components. A CLC, with the exception of Cryorig's, will not do this.
Quote:
Yes, vrm cooling is almost always done by tiny heatsinks on them, this is what i will do with the g10, he only difference is that it will be more efficient than traditional air coolers as the bracket vrm fan airflow will not be restricted by the main gpu heatsink fins as stated earlier
I think if you reviewed those reviews again you would find that this is untrue. Even the hg10, Corsair's version with a full plate and blower fan, barely competed with a good air cooler.

The difference is that with the g10 you only have a (mediocre) 90mm fan blowing air at the back end of the card. With a Morpheus or similar you have two 120mm fans blowing air across the entire PCB.

Heatsinks will definitely shave a few degrees off, but they aren't a solution for a lack of airflow.
Quote:
He g10 solution my also offer better case airflow as it wil most likely blow air out on the top or back
The g10 is not a reference cooler - lacking a shroud to direct air it just blows air around the chassis (first-hand experience), much like an air cooler would.
The Accelero Hybrid gets closer to this, though, with their angled fan and semi-shroud.

And, again, an air cooler will offer better case airflow because it actually blows air... a 90mm fan blowing hot air towards your CPU is not going to direct as much air as 2x120mm fans.
Quote:
or create negative pressure as froont intake.
I have no idea what this means redface.gif I think you are thinking of reference cards which exhaust air out of the PCI slots.
Quote:
As i said earlier, this may prove better than non-blower heatsinks, which simply blow heat in every direction, maybe cooling the overheating mobo battery, or the steaming-hot usb connectors underneath the gpu
Only if you turn up your chassis fans to compensate for the lack of chassis airflow.
Edited by claes - 2/5/16 at 1:35pm
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i3-2100 ASUS P8H67-M PRO/CSM ASUS Passive GT 440 4GB Dominator 1600 c8 
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Hitachi 120GB 2.5" LG BR-RW CM GeminII S + NF-P12 2x NF-R8 - Intake 
CoolingOSMonitorKeyboard
NF-B9 Windows 7 Sony KDL-46NX700 MK700 
PowerCaseMouseAudio
Antec EA-650 Zalman HD160XT, Modded MK700 Yamaha RX-V373 
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Overclock.net › Forums › Cooling › Air Cooling › Various cooling questions (case fans + GPU aio) need ranking of asatek aio pump noise