The new heatsink keeps the 65W Core i5-12400 at 81 ° C, thanks to the larger copper core

With a generation Alder Lake Intel will deploy new heatsink models for ~ 65W processor models: RH1 for Core i9, RM1 for Core i7 / i5 / i3, and RS1 for Pentia and Celerony. RM1 and RS1 are similar to previous models, but their fan is lined with plastic fins, which in the case of RM1 carry a ring with LEDs.

It was the one, RM1, that tested YouTuber Chill Builds, according to whose conclusions in CineBench (3 runs) the temperature of the Core i5-12400 with this cooler does not exceed 81 ° C in a standard cabinet. The positive news, then, is that the radiator is cooling well, although we do not yet know at what noise.

But what led to the improvement, if not the higher / longer ribs, which are ultimately just plastic? This outlines a comparison of the bottom of the heatsink. The Core i5-11400 heatsink is captured on the left (Rocket Lake), new Core i5-12400 heatsink on the right (Alder Lake):

left heatsink Core i5-11400 (source: iVadim), right radiator Core i5-12400 (source: ChillBuilds)

The new model has a significantly larger copper core. Of course, there are other differences, such as the location of the metal frame at the base itself, or differently shaped ribs of unequal length.

Source: by

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