The Fractal Design Celsius S24 & S36 AIO Coolers Review
by E. Fylladitakis on June 2, 2017 8:00 AM ESTTesting Results, Maximum Fan Speed
Starting things off, let's take a look at cooler performance with the fans at their full, 12 V fan speed.
Our concurrent testing of the two Celsius variants gave us some very interesting results. With their fans running at their maximum rated speeds, the performance of the Celsius S24 is not record-breaking, yet it definitely is competitive, especially when taking the lower noise figures into account. The average thermal resistance of the Celsius S24 is 0.082 °C/W, which is slightly higher than that of most other dual 120 mm fan coolers, but our sound pressure meter was also recording only 38.7 dB(A) at the time of the test, which is the lowest figure that we have recorded up to this date from any comparative AIO cooler.
| Core Temperature, Constant Thermal Load (Max Fan Speed) |
Comparing the performance of the Celsius S24 to its larger S36 is not as straightforward as most people would assume. Despite its significantly greater mass, the S36 delivers virtually the same performance at lower load levels. As the load increases, the performance gap between the two coolers widens slightly, but only at very high power loads does the S36 display a true performance advantage. Ultimately, the average thermal resistance of the Celsius S36 is slightly better, at 0.0797 °C/W, but only because of its ability to handle very high thermal loads more efficiently. Meanwhile, the noise level rises to 40.6 dB(A), diminishing the thermal performance gains even further.
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HomeworldFound - Friday, June 2, 2017 - link
The radiators can actually support up to four to six 120mm fans. Beside that it's just another generic boring AIO.sibuna - Friday, June 2, 2017 - link
why are there no high end air coolers tested in thisfixxxer0 - Friday, June 2, 2017 - link
http://www.anandtech.com/show/11407/140-mm-slim-to...same test setup here if you want to compare
Bulat Ziganshin - Monday, June 12, 2017 - link
these are upper-middle, but not precisely high-endBulat Ziganshin - Monday, June 12, 2017 - link
oh, well. NH-D15 is real supercooler, and its result is only a few degrees worser than results of these FD coolers (with the same noise in low speed mode)Drumsticks - Friday, June 2, 2017 - link
Thanks for the review. Could y'all do a "best CPU coolers" for the quarter and give some recommendations on each range? With Skylake X and Threadripper coming out, I think it'd be a great time to get a professional opinion. I'm kind of interested in an AIO, but there are quite a lot of choices nowadays.fixxxer0 - Friday, June 2, 2017 - link
just trying to get a feel for real world thermal loadings vs the standard shown in the test.how many watts would a i7 7700 stock under load generate?
fixxxer0 - Friday, June 2, 2017 - link
is it really just the TDP that is advertised for the proc?Drumsticks - Friday, June 2, 2017 - link
Probably something along the lines of the 60-100 range if you aren't overclocking, but 100-200W range if you overclock depending on how far you go.MrTeal - Friday, June 2, 2017 - link
It would have been more interesting if you had run the pump at full speed and just varied the fan speed. At full speed this cooler delivered very nice acoustics for its cooling performance. It would have been nice to see how the included fans performed without kneecapping the performance of the pump.