Noctua NH-D15 G2 - Design
At first glance, the cooler itself has not changed much. Structurally, it is very similar to the original D15. The biggest construction difference is noticeable at the bottom of the cooler, where the fins are designed differently. You will also notice a higher number of heat pipes. Those who have seen the original cooler multiple times will notice the smaller gap between the towers.
The most significant difference is visible in the fans, and there is no need to describe the difference in the blades – it is obvious. What you might not notice immediately is the smaller gap between the frame and the blades.
Comparison of the NF-A14 fan vs. NF-A14x25r.
On the left is the NF-A14, on the right is the NF-A14x25r. The smaller gap is visible to the naked eye.
All these changes should contribute to better performance of the cooler. The original D15 cooler had a rating of 183 by Noctua, while the D15 G2 has 228 points... According to Noctua’s tests, the G2 can cool the processor 3 degrees better... We will see how the G2 performs in our tests.
On the left: At the top is the new NH-D15 G2, and at the bottom is the D15. Noctua has reduced the space between the towers by a few millimeters.
On the right: D15 on the left, D15 G2 on the right.
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