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Written by Olin Coles   
Friday, 09 October 2009
Table of Contents: Page Index
Best CPU Cooler Performance LGA1366 Q3-2009
Thermally Conductive Element Reference
Cogage TRUE Spirit
CoolAge CA-X120TF Wind Tunnel
Corsair H50 CWCH50
Scythe Kabuto SCKBT-1000
Scythe Mugen 2 SCMG-2000
Tuniq Tower-120 Extreme
ZEROtherm Nirvana NV120 PWM Premium
Cooler Surface Preparations
Cooler Test Methodology
Test Results: Stock Cooling Fan
Test Results: High-Output Fan
Enthusiast Fan Comparison
CPU Cooler Final Thoughts
Best CPU Cooler Conclusion

Enthusiast Fan Comparison

Over the past few months there have been several requests by our readers for Benchmark Reviews to begin testing these coolers by using many different enthusiast level fans. While the idea seems interesting enough, the actual undertaking would be unreasonably time consuming. As it is now, each cooler already takes about two hours to install, prepare, and test; and most coolers receive five or more tests in stock and overclocked conditions. The test process for an individual cooler could take several days depending on ambient temperature and humidity.

In this section, we've taken the Yate Loon D12SH-12 that's been used for the past year of high-output testing and compared it to the Scythe Ultra Kaze, which is a 38mm thick enthusiast fan. I've heard a great number of enthusiasts claiming phenomenal results with the Ultra-Kaze, but it's not like me to believe hearsay. In this section, I've taken the opportunity to directly compare several 'high volume' test fans. Here's how it was done:

Lavalys EVEREST Ultimate Edition is used to create full loads on each core utilizing the system stability test (Stress CPU and Stress FPU options), and also measure individual CPU core temperatures. After a minimum of sixty minutes at full load, temperatures sustain a plateau and the ending ambient room temperature and individual CPU core levels are recorded. The fans are quickly replaced while the system is still under load, annd given thirty additional minutes with EVEREST loading the CPU cores before final temperature readings are again taken and recorded.

  • Yate Loon 120x120x25mm model D12SH-12 (88 CFM @ 40 dBA) 12V/0.30A
  • Scythe Kaze-Jyuni Slip-Stream 120x120x25mm fan, model SY1225SL12SH (110.31 CFM Advertised @ 37.0 dBA) 12V/0.53A
  • CoolAge SX2 120x120x38mm fan, model CA-120SX2 (80 CFM Advertised @ 32 dBA) 12V/0.19A
  • Scythe Ultra Kaze 120x120x38 model DFS123812H-3000 (133.6 CFM @ 45.9 dBA) 12V/0.60A
Scythe-Ultra-Kaze-DFS123812H-3000-120x120x38-Fan.jpg

It becomes evident that there's a point of diminishing returns for every CPU cooler, and when 'over-fanned' the results collide closely together. Although the 2.67 GHz Intel Core i7-920 processor does a decent job of separating the crowd when these coolers wear their stock fan, once a high-output fan is attached there's really not much separating them all. So it's a good bet that most of these top-performing products could cool an overclocked system extremely well, but these days only the very best will do. Much like the Thermal Interface Material testing we've conducted, all of the high-performance products are beginning to perform at nearly the same levels. Eventually, I expect to see the same technology used in all cooling products with the difference being the application. This is where experience comes in handy, and we've shared some of this with you in our Best Thermal Paste Application Methods article. Remember, less is more when it comes to thermal paste, and soon CPU coolers may offer the same paradigm.

Taking a small collection of CPU coolers, Benchmark Reviews tested the performance of four different fans.

CPU Cooler

Scythe Kaze-Jyuni Slip-Stream CoolAge SX2 Yate Loon D12SH Scythe Ultra Kaze

Average

Thermal

Difference
Prolimatech Megahalems 38.0°C over ambient 39.1°C over ambient 36.3°C over ambient 36.2°C over ambient
Scythe Mugen 2 SCMG-2000 39.9°C over ambient 41.0°C over ambient 38.6°C over ambient 38.8°C over ambient
Xigmatek Thor's Hammer S126384 40.7°C over ambient 43.5°C over ambient 39.1°C over ambient 41.6°C over ambient
Titan FENRIR TTC-NK85TZ 43.6°C over ambient 45.0°C over ambient 42.5°C over ambient 43.2°C over ambient
CoolAge FO-X120TF Wind Tunnel 44.6°C over ambient 44.2°C over ambient 42.6°C over ambient 43.3°C over ambient
Thermolab BARAM 45.5°C over ambient 46.2°C over ambient 42.8°C over ambient 43.4°C over ambient

As you can see from the chart above, the Yate Loon 120x120x25mm model D12SH-12 fan performs the best compared to other enthusiast cooling solutions. Rated at 88 CFM by the manufacturer, I suspect that these are conservative figures. Operating on 0.30A, the Yate Loon D12SH-12 certainly moves a lot more air than suspected for a $7 fan. The real trick is in the operating voltage, which ranges from 6.5-13.8V, allowing enthusiasts to move the hot wire to either the 5V+ or 12V+ power lead. So until I'm given a good reason to think otherwise, Benchmark Reviews will continue to test high-output overclocked results with what I consider to be the best value in fans.



 

Comments 

 
# March 11th cooler article?Hugo Martinez 2010-03-11 22:26
Where I am, it's March 12th. I've been looking forward to your March 11th "Q1-2010 Best CPU Cooler Performance LGA1366" article that was scheduled for March 11th. Is it already up but I'm too blind to find it? Or are you running late?

I need to buy a cooler but I promised myself to wait until I read the report.

Thanks!
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# Worth the waitOlin Coles 2010-03-12 07:39
Hello Mr. Martinez:

This article has grown much larger than first planned, and is expected to be published later this afternoon (3/12). It's worth the wait! :)
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# Hope it is worth the waitRaul Tano 2010-03-12 15:40
I'm in the same boat as Mr. Martinez. I eagerly await the article.
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# DiamondsJava_Az 2010-05-24 10:43
although Diamond is a polymorph of the element carbon.Diamond conducts heat better than anything - five times better than the second best element, Silver! I wonder what a diamond heatsink would set you back
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# MikeMichael 2010-09-26 09:34
Diamond only conducts heat in such a manner when it's aligned properly - therefore, you must grow a diamond, or fashion a diamond into a heatsink - you cannot combine diamonds as they would not match in alignment on the molecular level. This means you would need to start with a massive diamond.
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# wrong specificationjason 2010-08-10 13:19
Editors, can you correct the weight in the above specifications?
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# RE: wrong specificationOlin Coles 2010-08-10 13:20
Be more specific, and list your source.
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# RE: wrong specificationsjason 2010-08-12 01:41
#benchmarkreviews.com/index.php?option=com_content&task=view&id=371&Itemid=62&limit=1&limitstart=6

SCMG-2000 Specifications
Weight: 870 g
30.7 lb

It should be 30.7oz.
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# RE: wrong specificationsjason 2010-08-11 11:08
Sorry I was talking about the specifications of SCMG-2000.

#benchmarkreviews.com/index.php?option=com_content&task=view&id=371&Itemid=62&limit=1&limitstart=6
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# Can Mugen 2 fit in ThermaltakeV3 BE or Cooler Master 430 elite?Deen 2011-02-26 12:52
Can Mugen 2 fit in ThermaltakeV3 BE or Cooler Master 430 elite?
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