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What makes an AIO's performance?

Agonizel
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Hi community,

 

So today, I am looking at replacing my CPU cooler and started to watch all the different AIOs out there and their reviews.
But then I asked myself: "Other than the fans, what makes an AIO better/worse than the other? Is an asetek pump so much better than any other solution out there? Is it the copper plating on the CPU block? What is it?"

If it's just the fans, would all AIO be the same if they all had the same fans?

I'm looking forward to be educated !

RGB & Fan control ULTIMATE GUIDE !

 

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The radiator size, the radiator thiccness?

The tubing diameter? 

 

The biggest performance difference comes from radiator size (120,140,240,280,360 etc) and on same size radiators the radiator thiccness.

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2 minutes ago, Origami Cactus said:

radiator size

Yes, ofcourse haha! I forgot to precise: AIOs at the same size like an NZXT x72 vs a Corsair 150i for example

RGB & Fan control ULTIMATE GUIDE !

 

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1 minute ago, Beer_Nontitju said:

Yes, ofcourse haha! I forgot to precise: AIOs at the same size like an NZXT x72 vs a Corsair 150i for example

I would guess that these 2 should perform the same with same fans, as the radiator size is the same, radiator thickness is the same, tubing size looks the same, and the cpu plate looks the same size.

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fin density, thickness, cold plate size (and IHS size of the CPU), fluid mass and the exact fluid used can all change their performance.

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1 minute ago, Jurrunio said:

fin density, thickness, cold plate size (and IHS size of the CPU), fluid mass and the exact fluid used can all change their performance.

Sounds like it's a lot of small factors than rather some big ones that make the difference.
It would be awesome if someone really took apart 2 similar AIOs (e.g both 240mm) and calculate the percentage of impact each component/fluid/design has on cooling an AIO performance.

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You also have the pump that can impact how much water can flow over the CPU (or rather the IHS of the AIO) per second or minute.

It is indeed more about some of the small factors of an AIO and less 1 factor. On the surface, most AIO are very similar because they almost all use Asetek pumps with some tweaks. So the big differentiating thing is indeed the radiator size and what they do with the fans on it and such.

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Size for size in AIO, it comes down to fans and airflow in your case. 

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