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Review/Comparison: Prolimatech Ultra Sleek Vortex 14 vs Scythe GT AP-15

post #1 of 5
Thread Starter 
I was really intrigued when I saw these slim 140mm fans for sale, but could not find very much information about them. I decided to give them a shot to replace my trusty AP-15s, so I present to OCN my amateur comparison review.

Prolimatech Ultra Sleek Vortex 14 vs. Scythe Gentle Typhoon AP-15 on Prolimatech Megahalems

Test Setup
  • Core i7 860 @ 3.8 GHz 1.3v
  • Prolimatech Megahalems Rev.B
  • GA-P55A-UD4P
  • 8 GB Ripjaws X 1600
  • GTX 580 1.5 GB
  • 3x Fractal Design Silent 140mm case fans @ 7v
  • 2x SSD, 3x HDD

Test Method
  • Temperature: Highest recorded by Core Temp during 15 minute run of Prime95 Small FFTs
  • Sound: Average recorded with a smartphone sitting on top of the case

"Real world" considerations
  • It's the middle of summer and my overclock gets pretty hot this time of year
  • The thermal paste is getting old (heatsink has been mounted since Jan 2011)

Results (Best to Worst)


As you can see, the thermal performance between the two fans is basically equal, with the AP-15's getting the slight edge in my tests. I was slightly disappointed; I was hoping the 140mm Vortex would beat the 120mm GT, but I suppose the loss of fan thickness negates the increased blade size. Still, they keep pace with the proven AP-15s and are well-suited to being CPU fans. I have not tested them in the capacity of being case fans but I bet they would excel there.

The USV 14 does beat the AP-15 in push/pull noise. My AP-15s in push/pull make an annoying whine at full RPM. The USV 14s in push/pull also make a noise, but it is more of a hum and is much less annoying. Neither fan makes a noticeable whine or hum when spinning at less than full speed, or when they are only in a push configuration.

All in all, it's a nice fan. The thinner profile is definitely appreciated for shrinking the footprint of a massive heatsink; however it has the unfortunate side-effect of making the fan feel flimsier than a 25mm fan. I don't regret the purchase but I would have been more comfortable paying $15 each instead of $20. I also wish Prolimatech would advertise on their website that these fans are not compatible with Megahalems earlier than Rev.C. They have plenty of pictures showing the fans attached to a Megahalems. But the spring mounting screws are too tall and prevent 140mm fans from sitting in the center of the heatsink. I was able to purchase and use the shorter Rev.C screws and mounting plate, but I wish I had known this before my fans had already arrived at my doorstep.

Hope this helps anyone considering purchasing these fans. smile.gif









post #2 of 5
very nice review smile.gif here are some additional info that others may be interested

http://www.prolimatech.com/en/products/detail.asp?id=1906&subid=1908#showtab

max 1000RPM
static pressure 0.9mm H2O@1000RPM

post #3 of 5
Thanks! thumb.gif
Nice review. I think they look better on your cooler. smile.gif

Thanks for the drawing psyclum.
post #4 of 5
Also thanks from me. Nice review and it's interesting that the 140mm slim format seems to be that effective. I'm testing a different but similar slim Fan at the moment from a new brand and it also performs pretty good....
My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k @4,6GHz ASUS P8Z77-I Deluxe Sapphire 7870XT @1,2GHz 16GB DDR3 
Hard DriveCoolingPowerCase
Crucial Noctua U14S & Prolimatech MK26 (+1x Noctua A15) Antec HCP 1300 Lian Li X1000 
  hide details  
Reply
My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k @4,6GHz ASUS P8Z77-I Deluxe Sapphire 7870XT @1,2GHz 16GB DDR3 
Hard DriveCoolingPowerCase
Crucial Noctua U14S & Prolimatech MK26 (+1x Noctua A15) Antec HCP 1300 Lian Li X1000 
  hide details  
Reply
post #5 of 5
Quote:
Originally Posted by Elohim View Post

Also thanks from me. Nice review and it's interesting that the 140mm slim format seems to be that effective. I'm testing a different but similar slim Fan at the moment from a new brand and it also performs pretty good....
Look forward to hearing more about these new fans:thumb:
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