The Noctua NH-L9i-17xx is the objective winner of this comparison, securing victories in two out of three evaluated categories. Its most significant advantage is its MSRP, which is 21% better than that of the alternative. While the Thermalright Frozen Prism 360 holds a notable lead in thermal management capacity, the Noctua NH-L9i-17xx provides a more favorable value proposition based on the provided specifications, making it the superior choice for users prioritizing cost efficiency.

Users should select the Noctua NH-L9i-17xx if they are looking for a more affordable cooling solution and value the cost-related benefits identified in this comparison. Conversely, the Thermalright Frozen Prism 360 is the appropriate choice for those who require a higher TDP rating, as it offers a 331% advantage in that specific metric. Choosing between these two components depends entirely on whether your build prioritizes budget-friendly pricing or maximum thermal dissipation capacity.