Is the Noctua NH-D15 still the king of cpu air coolers? (why is it still so good?) - Page 6 - Overclock.net - An Overclocking Community
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Is the Noctua NH-D15 still the king of cpu air coolers? (why is it still so good?)

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post #51 of 59 (permalink) Old 03-24-2020, 04:58 AM
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Quote: Originally Posted by Abula View Post
Cant say i have ever tried such a high TDP cpu/load, but ill test a 3950x + GIGABYTE X570 AORUS XTREME with an NH-D15 and HR22 in a week or so, with TY147 / TY143 / NF-A15 and maybe NF-A12x25.
It's probably not gonna be enough. You'll probably reach thermal limit before you even reach 200w power consumption. I'm lf to it tho.
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post #52 of 59 (permalink) Old 03-24-2020, 05:30 AM
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It’s very easy to exceed 250+ watts on old CPUs like x58 hexacores, new ones seem to limit themselves internally. A quick look at a review shows 3950x pulls a little more power than a stock x5690 which has a stock tdp of 130w, where the 3950x was doing all core boost at 140w. Pretty energy efficient.

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post #53 of 59 (permalink) Old 03-24-2020, 06:49 AM
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Quote: Originally Posted by Owterspace View Post
It’s very easy to exceed 250+ watts on old CPUs like x58 hexacores, new ones seem to limit themselves internally. A quick look at a review shows 3950x pulls a little more power than a stock x5690 which has a stock tdp of 130w, where the 3950x was doing all core boost at 140w. Pretty energy efficient.

older cpus are easier to cool due to larger node and silicon size

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post #54 of 59 (permalink) Old 03-24-2020, 07:00 AM
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Yes. But a bigger cooler won’t get your smaller cpu to run cooler. It’s just going to run hot regardless of what you do. Ask those guys with high dollar loops on their 9900K etc what kind of core temps they see.

3770K @ 4700 1.375v|Le Grand Macho RT/TY-143|Asus P8Z77-V|8GB G.Skill Mix @ 1100 9-11-9-28 2T 1.68v|Intel 545S @ Raid 0|EVGA GTX 980 Classified @ 1500/2001|CM Silent Pro M2 850|FD Meshify C TG

X5690 E.S. @ Stock+Turbo|True Spirit 140 Power/TY147B|Asus Rampage III Formula|10GB G.Skill Mix @ 666 8-8-8-24 1T 1.575v|Intel 520|EVGA GTX 970 FTW ACX 2.0 @ 1404/1753|TT TP650|FD Define R4

Last edited by Owterspace; 03-24-2020 at 07:03 AM.
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post #55 of 59 (permalink) Old 03-24-2020, 09:54 AM
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True, some of the newer chips are much small. But their effect on cooling is not as much a problem as some like to make it sound. Sure, their smaller surface effects heat transfer, but more often than not the problem is not just heat transfer from chip to IHS, but poor chip to IHS seat and/or IHS to cooler/waterblock seat that is limiting heat transfer. Then it depends on if chip to IHS is solder or TIM. Obviously soldered is much harder to delid and do a better seat. If it's TIM then delid and re-seating chip to IHS, lapping IHS flat if there is not a good print to cooler / waterbock (more problematic than many realize) so there is definitely a good seat to cooler / waterblock and heat transfer is rarely a problem .. unless you are really pushing a lot of voltage into chip like some do.

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post #56 of 59 (permalink) Old 03-25-2020, 07:30 AM
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Just an example from my limited experience:

My x5690, easy to cool if you have a good cooler, puts out a ton of heat once you start to wind it up. My 3770K, difficult to cool, runs very hot when you wind it up, puts out no heat. 32nm vs 22nm, now take that down to 14nm, I can see those chips being a pita.. and if AMD is down to 12nm, then yeah, I can see why people are getting nowhere fast. That's all she's got captain.

3770K @ 4700 1.375v|Le Grand Macho RT/TY-143|Asus P8Z77-V|8GB G.Skill Mix @ 1100 9-11-9-28 2T 1.68v|Intel 545S @ Raid 0|EVGA GTX 980 Classified @ 1500/2001|CM Silent Pro M2 850|FD Meshify C TG

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post #57 of 59 (permalink) Old 03-25-2020, 08:44 PM
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I heard the new NH-U12A is better than the NH-D15 despite being smaller due to its additional heat pipe and higher performance fans. Is this true?.
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post #58 of 59 (permalink) Old 03-25-2020, 10:32 PM
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Quote: Originally Posted by PCGamingGuy View Post
I heard the new NH-U12A is better than the NH-D15 despite being smaller due to its additional heat pipe and higher performance fans. Is this true?.
It’s not better by any means. NH-U12A has to spin its fans much higher RPM’s to get close to the performance of D15, which normally would up the noise level, but the new U12 fans are very quiet, even at high speeds so It’s very good cooler/fan combination, but It’s not better.
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post #59 of 59 (permalink) Old 03-27-2020, 07:37 AM
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What NewUser16 said.

I would even go so far as to say many other bigger coolers definitely have more cooling ability at lower noise levels.

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i7 980 @ 3.55GHz =PH-TC14PE w/2x TY-143 fans =Crucial Ballistix 3x4GB =GA-X58A-UD5 =ASUS GTX580 DirectCU II =Enermax Modu84+ =Define R2 w/3x TY-140 case intake fans; all PWM controlled by CPU fan socketPhanteks Enthoo Primo MoBo Rampage III Extreme CPUi7 980X
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