The Noctua NH-D15 is the objective winner of this comparison, securing two out of three spec victories. Its most significant advantage is its MSRP, which is 50% better than that of the competitor. While the DeepCool Mystique 360 offers a notable performance edge in its TDP rating, which is 28% better than the alternative, the overall spec-based evaluation favors the Noctua NH-D15 due to its superior value proposition across the measured categories.

Users prioritizing cost-efficiency should select the Noctua NH-D15, as it provides a substantial advantage in MSRP. Conversely, those who require the highest thermal handling capacity should choose the DeepCool Mystique 360, which benefits from a 28% better TDP rating. By aligning these specific advantages with your primary build requirements, you can determine which of these two cooling solutions best suits your system needs based on the provided specifications.