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Overclocking On Air: 10 LGA 1156-Compatible Performance Coolers

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The enemy of both stability and longevity, heat changes the characteristics of silicon in a way that eventually makes it unsuitable for use in a logic circuit. Heat damage can sneak up on overclockers quickly, such as the 59 degree Celsius stability limit we encountered when overclocking AMD’s Phenom II. Similarly, many of our Core 2 Duos responded unfavorably to temperatures over 65 degrees Celsius.

But hasn’t all that changed with the advent of Lynnfield, a core that can just withstand temperatures of up to 100 degrees Celsius? We have, after all, been flirting with 95 degrees Celsius regularly while testing the overclocking capabilities of motherboards, yet still reach stable clock speeds of over 4.3 GHz.

Although our Core i7-870 sample raised the temperature level at which we had to put on the brakes, its temperature limit coinciding with our cooling and voltage limits happened by mere coincidence. Surely a platform that operates so close to its thermal limit on an open test bench would be unsuitable for use in a closed case, since the higher ambient temperatures would cause thermal throttling (Intel’s automatic speed reduction) at anything close to full CPU load. Liquid cooling could help, but recent tests have shown that anything less than a dual-fan radiator version often provides unsatisfactory results. Most users don't want to bother with a high-end liquid configuration, and most cases don’t support those enormous radiators. For the sake of builders, it’s time for us to track down the best possible air-cooling solution.

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kumaiti 01/27/2010 5:17 AM
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mrgrey 01/27/2010 5:21 AM
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Argh - unbelievable! I literally just purchased my build on newegg, and they just posted this article. I bought the Arctic Cooling 7 over the Hyper 212+, not having seen the article yet.

Hey Tom's - what temps are you getting at 3.2 GHz with the Arctic Cooling 7? Did you use arctic silver 5?

barmaley 01/27/2010 5:57 AM
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Test settings page reads: CPU Intel Core i7-860, but CPU-Z screen shot under it reads Intel Core i7-870. Which one is it that you tested Tom?

anonymous 01/27/2010 5:59 AM
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Is there an article testing thermal compounds?

nzprogamer 01/27/2010 6:07 AM
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mrgrey :
Argh - unbelievable! I literally just purchased my build on newegg, and they just posted this article. I bought the Arctic Cooling 7 over the Hyper 212+, not having seen the article yet. Hey Tom's - what temps are you getting at 3.2 GHz with the Arctic Cooling 7? Did you use arctic silver 5?



no worries there you will be fine

nzprogamer 01/27/2010 6:10 AM
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i had the 212 and sunbermtech both were running really good and cool. but i would buy the sunbeamtech with the easy exchange fan kit.

arkadi 01/27/2010 6:24 AM
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I just love to read toms old school articles like this one :)

falchard 01/27/2010 6:36 AM
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Crashman 01/27/2010 6:55 AM
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kumaiti :
Not a single top down cooler?? That is disappointing, though I can already see the excuse: "they don't have as much performance as the tower coolers".

falchard :
What no Coolermaster V10 or Thermaltake SpinQ Vertical?

You would have to ask the manufacturers, since they picked the coolers.

micky_lund 01/27/2010 7:09 AM
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prolimatech megahalems

anonymous 01/27/2010 7:54 AM
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mayor_mccheese 01/27/2010 8:45 AM
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just bought a freezer pro too :(

Crashman 01/27/2010 9:29 AM
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Bobalina :
If NH-D14 is in this, where's Prolimatech's Megahalems and Thermalright's Venomous X?


Thermalright sent the MUX-120.

Spanky Deluxe 01/27/2010 9:53 AM
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Why no Megahalems? They're widely considered the best air coolers out there right now.

pbrigido 01/27/2010 10:10 AM
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Even though the Zalman CNPS10X didn't win any of the tests, I still prefer its design because of the all copper contact between the CPU and the heatsink. Nice to see some of these tests again...can you also do one to compare the effectiveness of different thermal compounds?

Crashman 01/27/2010 10:28 AM
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Spanky Deluxe :
Why no Megahalems? They're widely considered the best air coolers out there right now.



Some companies didn't respond to the invitation. Sorry, I didn't keep a list.

fred2421 01/27/2010 10:48 AM
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Quick question..these temps you are showing they are all with an ambient temperature of 11C? So when you say 82C over ambient the temps are actually 82+11=93C?

ubernoobie 01/27/2010 10:56 AM
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the best cpu cooler is now the thermalright vemonous I believe

JohnnyLucky 01/27/2010 11:04 AM
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Interesting article. I knew results would vary from other reviews. That's normal.

I was surprised the new Thermalright Venoumous X was not included. It's an updated version of the Ultra 120 Extreme specifically designed for the new Intel Core i5/i7 cpu's.

Didn't THG mention in an older article that those extra tall heatspreaders that sort of look like a comb did not provide any additional cooling over stock heatspreaders?

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