The Noctua NH-U12S Redux is the objective winner of this comparison, securing victories in two out of three evaluated specifications. Its most significant advantage over the competition is its MSRP, which is 12% better. While the Thermalright Frozen Prism 360 offers a superior TDP rating that is 65% better than the Noctua NH-U12S Redux, the latter remains the more efficient choice based on the total number of winning categories.

Choose the Noctua NH-U12S Redux if your priority is a more favorable MSRP, as it provides a better value proposition across the majority of the measured specifications. Conversely, select the Thermalright Frozen Prism 360 if your primary requirement is the significantly higher TDP rating. This makes the Thermalright Frozen Prism 360 the better option for users whose thermal management needs are specifically addressed by its superior capacity in that single metric.