Core i7 8700K with Noctua NH-D14?
- Thread starter nz3r0er
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Supernova1138
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The NH-D14 is and older cooler by Noctua that has been succeeded by the NH-D15. Both coolers are basically the pinnacle of air cooling and do offer equal or better performance than most AIO water coolers. There are some AIOs that can slightly outperform the high end air options, these have 280mm or 360mm radiators, eg. NZXT Kraken X62. Generally if you want cooling performance significantly better than air, you still have to go with a custom loop and some rather large radiators.
In any case, 4.8GHz should be achievable with a decent air cooler unless you really lose out on the silicon lottery. The 8700k does run quite hot once you start pushing the vcore past 1.3V. This isn't necessarily because of the CPU cooler but more due to the TIM and poor seal between the heatspreader and the CPU die. This is why delidding is a popular practice as it can significantly reduce core temperatures pretty much regardless of what cooler you have, and is pretty much necessary if you want to try to push an overclock and Coffee Lake's 1.4V vcore safe limit.
Unless you really lose out on the silicon lottery you should hopefully be able to achieve 4.8GHz without needing to push as high as 1.35-1.4V, and thus shouldn't need to delid and you should be able to keep temps under control with a decent air cooler or AIO.
In any case, 4.8GHz should be achievable with a decent air cooler unless you really lose out on the silicon lottery. The 8700k does run quite hot once you start pushing the vcore past 1.3V. This isn't necessarily because of the CPU cooler but more due to the TIM and poor seal between the heatspreader and the CPU die. This is why delidding is a popular practice as it can significantly reduce core temperatures pretty much regardless of what cooler you have, and is pretty much necessary if you want to try to push an overclock and Coffee Lake's 1.4V vcore safe limit.
Unless you really lose out on the silicon lottery you should hopefully be able to achieve 4.8GHz without needing to push as high as 1.35-1.4V, and thus shouldn't need to delid and you should be able to keep temps under control with a decent air cooler or AIO.
cookiemania66
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Intel TIM ist like a thermal insulation
I had a 20 Degree C drop of temps after delidding my cpu x)
and another 5-10 after changing my DR3 to a Kraken X62.
But back to the topic.
Noctua is great i agree and you should be able to reach 4,8 ghz even if you get a reallyyy bad chip.
Even my 6600k is doing 4,8ghz @ 1,4V and it isnt the greatest of all
Supernova1138
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The X52 is a 240mm cooler, so performance would probably be very close to the NH-D15. For AIOs it's really only the 280 and 360mm radiators that have a shot at actually beating high end air, and even then it's not by much. I personally would just stick with big air unless you have case or RAM clearance issues that prevent you from using a big air cooler. Equivalent or better AIOs are more expensive than high end air coolers and have an additional point of failure in the pump. Once the pump fails, and it will at some point, the whole cooler has to be replaced. Air coolers have no moving parts except fans, and they are easily replaceable.
cookiemania66
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there are cheaper AIOs then the X52/X62 vom NZXT. You pay a lot extra for that fancy CPU block with RGB LED (yea i did that and i love it).
I would say that a 280mm AIO does outperform every Air-cooler by at least a little bit but with a (much) higher cost.
The Dark Rock 3 is rated for like 200Watt of heatoutput and changing to the 280mm NZxT AIO gave me like 5 Degree C less.
The Noctua NH-D15 is way more powerfull then my old DR3 and should give you nearly the same performance as a 280mm AIO.
Intels thermalpaste between DIE and Heatspreader is the real problem in this situation.
I would say:
Just stick with a good Air Cooler like Noctua since the performance increase by an AIO is little no non compared with the big Noctua cooler.
I would say that a 280mm AIO does outperform every Air-cooler by at least a little bit but with a (much) higher cost.
The Dark Rock 3 is rated for like 200Watt of heatoutput and changing to the 280mm NZxT AIO gave me like 5 Degree C less.
The Noctua NH-D15 is way more powerfull then my old DR3 and should give you nearly the same performance as a 280mm AIO.
Intels thermalpaste between DIE and Heatspreader is the real problem in this situation.
I would say:
Just stick with a good Air Cooler like Noctua since the performance increase by an AIO is little no non compared with the big Noctua cooler.
cookiemania66
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- Jul 19, 2018
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