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post #6 of (permalink) Old 03-12-2019, 03:26 PM
white owl
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Quote: Originally Posted by doyll View Post
Probably because they don't improve cooling.

A top tier single tower (TRUE Spirit 140 Power) is as good or better than any of the twin towers out there.

Independent testing has shown NH-D14 is every bit as good and probably a little better cooling than NH-D15 when both are using same fans, and TRUE Spirit 140 Power gives 2-3c cooler temps than D14 on i7 [email protected]

It seems heatpipe cooling is close to it's maximum ability without some sort of new tech. The change from solid material heatsink to heatpipe heatsink made a huge difference in cooling .. and some types of heatpipes perform better than others but only marginally.

There were some vapor chamber coolers marketed but they suffered from problems like base not being flat. In 2013 I tested ID-Cooling FI-REEX Deluxe (got 3 coolers to get 1 with flat base .. I was able to lap 2 flat and 34d was warped too much to even lap flat). FI-REEX is a single tower 160x140x88mm (HxWxD) w/o fans, 113mm deep w/ 1x fan, 138mm deep w/ 2x fans. It has 6x 8mm vapor chamber pipes and 2x 'U' 8mm heatpipes with a rating of 300w. I found it cooled as well as TRUE Spirit 140 Power rated 360w. ID-Cooling has discontinued FI-REEX for a black colored version called Hunter VC-3D using 2x 140mm fans. I need to try getting new Hunter VC-3D and test it.
I totally agree, heat pipes have peaked and it seems like simply adding more of them or using more surface area provides diminishing improvement. The bigger towers do seem to do a little better when you're using CPUs that draw a lot of current but on desktop chips it would seem like adding more fins and pipes doesn't make the CPU any cooler.
It's kinda like idle temps, they're going to be about the same on a wide range of coolers, likely because the silicon and the oxide layer on top of it aren't great conductors of heat so they resist putting heat into the cooler.
It seems like we need a new type of cooling but IMO water is just too costly and large if you really want a step up from air.
If I'm ever flush again I may build a loop with the intention of keeping it around forever. The performance difference between EK's blocks and their knock offs are very small so rads and a pump would be my main cost...which is still pretty expensive if you want a long term pump like a D5.

Quote: Originally Posted by SpeedyVT
If you're not doing extreme things to parts for the sake of extreme things regardless of the part you're not a real overclocker.
Quote: Originally Posted by doyll View Post
The key is generally not which brands are good but which specific products are. Motherboards and GPUs are perfect examples of companies having everything from golden to garbage function/quality.
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Last edited by white owl; 03-12-2019 at 03:33 PM.
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