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Written by Olin Coles   
Tuesday, 16 March 2010
Table of Contents: Page Index
ProlimaTech Armageddon CPU Cooler Heatsink
ProlimaTech Armageddon Heatsink
CPU-Cooler Preparations
Heatsink Test Methodology
Intel 980X: High-Output Fan
Enthusiast Fan Comparison
CPU Cooler Final Thoughts
Armageddon Heatsink 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.

  • Intel Core i7-920 2.66GHz LGA1366 Processor
  • 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


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 2.66 GHz Intel Core i7-920 processor we've used for this test does a decent job of separating the crowd when these coolers keep 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



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.



# PaulyPaul Letteri 2010-03-19 01:59
In your reviews especially with the new Armegeeden cpu cooler I need to know if the height from where it is mounted .Will it clear my
tall denominated style memory ? this is a Big problem for many
thank you Paul.
Report Comment
# Heatsink clearanceOlin Coles 2010-04-02 13:34
Hello Paul:
It's not possible to include this information in every article, because every system is different and memory comes in many different sizes. I can tell you that if you mount this heatsink so it blows air towards the back of the case, you won't come close to the memory.
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# Are Fan/s requiredTmemphis 2012-05-06 15:13
Some of the reviews show this without fans mounted. Does this require fans if you are going to run a 2011 LGA CPU at stock speed and not overclock?

I have a Home server Windows 7 in a smail case under my TV. I purchased a ASRock Gen4 X79 and an i7-3920 only to find no fan. Crazy!

I have little idea of these Coolers and their issues with Ram fitting in (or not fitting) and case size seem to be an issue not to mention height. I'm confused on what get. The intel cooler/fan you can buy seperate ($32) runs very hot for a standard and would cook the system in summer. What a mess intel have created.

On the bright side you seem to have the best cooler and I'm glad i found you guys. I wish it was more simple thou. Thank you
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# RE: ProlimaTech Armageddon CPU Cooler HeatsinkDavid Ramsey 2012-05-06 15:31
An X79 system seems like huge overkill for a home server, but that's what you have, so...

The Armageddon is a very tall cooler and I suspect you'd have problems fitting it in a small HTPC case. Also, these cases are designed for low-power components and typically do not have the airflow of a larger desktop case, so unless there's a fan pointed right at the heat sink I think running it without a fan would be a bad idea. Even a very low CFM fan is much better.

Note that this review dates from more than two years ago, long before the X79/LGA2011 systems were introduced. The Armageddon does not come with the mounting hardware for an LGA2011 socket; you'd have to buy that separately.
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