Unlike the Intel system, testing on the AMD system with the Ryzen 9 3900X shows exactly the difference that matters now. In the pure temperature evaluation, the story still looks partially balanced, but the Casus Knacktus lurks sneaky and waits for its victim. But more on that. Due to the high heat flux density, the EOS 360 also comes to its limit, which is located in the limit range from approx. 125 watts can hardly be set off from the Noctua NH-U12A in push-pull mode.
This is mainly due to its very fast and efficient heatpipes, which get the waste heat away from the heat sink quite quickly. A simple block of water does not perform much better with such a punctual, asymmetric load. The fact that 185 watts is the end is due to the room temperature of 22 degrees and the resulting delta, which is similarly high in water cooling, as long as the chiller does not come into play and dramatically reduces the point of thermal resistance at this transition point. Here, the polar bear can also score easily in terms of pump and fan performance.
The fact that the polar bear performs so well is of course also due to the larger speed band of the fans. With the Noctua air cooler, the buckling of the fan curve at 125 watts, when the speed band has been almost completely exhausted, is still most noticeable.
If you look at the noise emission now, these curves are of course the logical consequence of what I have just shown. The fans of the polar bear 360 Aurora are much louder than the rest and the Noctua NH-U12A is the winner of the ears. That with the heart, on the other hand, is such a thing, because other preferences decide. Of course, you can again artificially brake the polar bear fans to 1600 rpm at 125 watts. Then, however, noise and cooling levels are almost identical, which speaks more for the EOS. The polar bear simply lacks a few quieter fans, while in the EOS the pump puts the overall result a little into perspective.
In contrast to the polar bear 360 Aurora, the pump noise is quite audible on the EOS 360. It's not extremely loud and annoying now, but you can hear it out if you want. The fans can be changed, but a pump cannot. And that's where the only weak point after all these measurements and tests is.
Raijintek Eos 360 RBW, RGB Rainbow, 360mm (0R10B00181)
| HardwareRat | Lagernd | 89,90 €*Stand: 29.04.24 19:28 |
Raijintek Eos 240 RBW, RGB Rainbow, 240mm (0R10B00174)
 | Auf Lager | 69,90 €*Stand: 29.04.24 22:01 |
 | Lagernd im Versandlager - Lieferzeit 2-5 Werktage | 71,39 €*Stand: 29.04.24 21:59 |
 | Lager Lieferant: Sofort lieferbar, 1-3 Werktage | 76,89 €*Stand: 29.04.24 22:09 |
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