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What's the difference between 'turbine' type GPU fans and 'regular' GPU fans?

post #1 of 5
Thread Starter 
What is the actual difference between this type of GPU fan cooler:



and this type of GPU cooler:



I was always told that the first fan design was better because it exhausted the hot air out the back instead of onto the hot chips, then dispersing out the sides of the shroud into the rest of your case.

But which one actually performs better/quieter? I am shopping for a new GTX 660 Ti and I've seen every single manufacturer uses a different cooler. So are the 'normal' fans better on a GPU cooler? Or the one that looks like a jet turbine?
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Plastic Shuriken
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post #2 of 5
Turbine fans dissipate heat out the back of the case over a dense fin array/vapor chamber in the plastic housing and are generally noisier than aftermarket fans like the MSI card above.

Aftermarket fans perform quieter and cooler for the most part. They dissipate heat out the back of the case and down the sides of the card, incidentally cooling more than just the core components, they also cool the RAM and VRMs, as well as the PCB. So in fact, both work just fine, but most aftermarket fans/coolers have beefed up fin arrays and heat pipes making them more effective with downdraft fans versus the blower style "turbine" fans. Another cool feature of the MSI cards in particular is that they spin in reverse on start-up, which clears some dust from the card (not all of it).

TL;DR: Both work, turbines can be noisier, and aftermarket can be more effective at cooling, it all depends on your voltage and OC.
post #3 of 5
turbine wins because when you tell someone you have a turbine fan in your computer they look at you like "wat"
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post #4 of 5
turbine type coolers, also known as blowers, exhaust their hot air out of the back of the case. They tend to be louder than the radial fans coolers, if you are running a single card system.

If you are running a single card, there is no reason to go for a blower cooler. If you are running multiple and don't have unbelievable airflow, you will probably be better off with blower coolers.
post #5 of 5
Thread Starter 
I see, thanks for the clarification! All this time I had thought blower type fans were the preferred tech.
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Plastic Shuriken
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