Articles: Cooling
 

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Performance

Cooling Efficiency

Before we get down to comparing Corator DS against Noctua NH-D14, let’s check out how the cooling efficiency of the new solution depends on the rotation speed of its default fan and how it changes once we replace the default fan with a 120 mm Thermalright TR-FDB one or install a Noctua NF-P14 fan instead (in this case the case side panel was removed):

The first thing I would like to point out is a practically linear dependence of Corator DS efficiency on the speed of its default Coolink SWiF2 fan. In the interval from 600 to 1200 RPM its cooling efficiency increases by 8.3°C, and in the interval from 1200 to 1800 RPM – by about another 4.5°C. However, it is not the peculiarity of Corator DS heatsink. It most likely is because of a weak or not quite suitable fan for this type of heatsink. To prove this point check out the results obtained on Corator DS with Thermalright TR-FDB fan. In the interval from 600 to 1200 RPM the cooler performs 2-2.5°C better than with default Coolink SWiF2 fan and the temperature drops by 8.8°C. However, when the fan is working at 1200 RPM+, we no longer see the same progressing increase in cooling efficiency and a gently sloping graph up until 2020 RPM indicates that the temperature lowers only by 2.2°C.

Corator DS working in an even more interesting manner with a Noctua NF-P14 fan: it outperforms both other set-ups with 120 mm fans up until they reach 1000 RPM. At 1200 RPM we see that Corator DS with a Thermalright TR-FDB fan starts losing. We have no idea which way things could turn later on, because the maximum rotation speed of Noctua NF-P14 fan is only 1200 RPM. I would also like to add that the only reason why there are no results for Corator DS with two fans at the same time is that we didn’t want to overload the chart. When we added a second Thermalright or second Noctua fan, the temperature dropped by 3-4°C in the interval from 600 to 1200 RPM and by 2°C or less at higher speeds.

And now we must compare Coolink efficiency against that of Noctua NH-D14 (the CPU is overclocked a little bit better here and the system case is closed):

 

Although Corator DS cooling efficiency is quite high, it still fails to catch up with Noctua NH-D14. When tested with two identical fans, Corator DS loses about 4.7°C in quiet mode and about 5°C in moderate mode of two Noctua NF-P14 fans. The results of Corator DS with its default Coolink SWiF2 fan fall right between the results with two 140 mm Noctua NF-P124 fans in different speed modes. I would like to remind you that these two coolers use identical retention mechanisms, which means that we are comparing two heatsinks with different contact technology in ideal conditions. The last but not least comes the table with complete temperature readings for each processor core:

CPU Cores temperature 

Acoustic Performance

The noise generated by the Corator DS default fan - Coolink SWiF2-120P – was compared against that of the other two fans we used for our performance tests: Thermalright TR-FDB and Noctua NF-P14. For this test we installed all fans into their default position, i.e. between the heatsink arrays. The diagram below shows the obtained results:

It turned out that Corator DS with a default Coolink SWiF2-120P fan works quieter than with a Noctua or Thermalright fan. Moreover, only the graph for Coolink SWiF2-120P was a linear one, while the other two fans didn’t manage to achieve the same acoustic harmony with the Corator DS heatsink. Although Thermalright TR-FDB fan did improve the cooler efficiency quite noticeably, we can hardly recommend it for Corator DS, maybe only up to 950 RPM rotation speed, because at higher speeds its noise level and tone are quite unstable.

 
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