New CPU cooler has higher temps than my previous one?

Porkey234 · May 20, 2015

Okay so I just recently bought a new CPU cooler for my computer because i felt i needed a better one than what i had, anyways, the new cooler for some reason i don't know why gets much hotter than my previous one i had used.
The new cooler i bought is a coolermaster 412 slim cpu cooler and the cooler i was using before was a coolermaster tx3 evo.
The tx3 evo never went higher than 60 degrees on load. but the 412 slim reaches around 65 -74 degrees (celcius) on load. i have overclocked my cpu slightly but that shouldn't have made much of a difference i think.
I don't know why my new cooler gets hotter than my previous cooler as it is basically twice the size of the tx3 evo.
I've taken the new cooler off and re-applied the thermal paste and put it back on.

my specs:
cpu: Intel Pentium G3258 (overclocked to 4.1ghz)
Mobo: ASRock Z97 anniversary
Ram: 8gb 1600 ram
Graphics card: Asus radeon r9 270x DCU2 TOP
PSU: Cougar 500w (i dont know much as it came with the case)
Cooler: Coolermaster 412 Slim

Please help as i don't understand why my new bigger beefier cooler gets hotter than my smaller less beefy cooler.

Thanks.

Darkbreeze · May 20, 2015

You probably either over-pasted, under-pasted or don't have good mounting pressure. Take a look at the following guide, which is for the 212 EVO but should still apply in general.

http://www.tomshardware.com/faq/id-2520482/solving-temperature-issues-hyper-212-evo.html

Also, how are the fans connected? If it has the center thumb screw like the 212 evo, which it does, then it's susceptible to not having good mounting pressure. Read the article and adjust the center and outer screws accordingly. Make sure the bottom of the center screw isn't hanging up and is down in the relief on the heatsink base as well.

William Norberg · May 30, 2015

When i mounted my 412s (similiar to your cooler) i had to wait 2 days for it to reach better temps. So just wait a couple of days.

Darkbreeze · May 30, 2015

Curing of thermal paste will never amount to a 14°C difference. Maybe 1-4°C, if it's mounted right.

William Norberg · Jun 1, 2015

Darkbreeze :

Well, explain why my temps went down from 95 degrees (running p95 and cpu burner) to 80.

Darkbreeze · Jun 1, 2015

In 25 years of installing and building systems, I've never, EVER, seen a configuration drop more than 5°C between the installation and a later date due strictly to curing. It just doesn't happen. You could have had different ambient temperatures between tests or a variety of other factors could have been in play.

Read the conclusion at the following link. It's identical to the results I've seen from literally EVERY build I've done. Additionally, from top to bottom, with correct mounting pressure, I haven't seen more than a 5°C difference between types of thermal paste either, with the average being about 3°C between using the standard Arctic Silver 5 or whatever paste comes the particular aftermarket cooler, and using something exotic like Coollabs liquid pro. The amount of paste, mounting pressure and case cooling are the factors that will largely determine outcome temperatures.

http://www.techarp.com/showarticle.aspx?artno=840

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New CPU cooler has higher temps than my previous one?

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