The Arctic Liquid Freezer III 280 is the objective winner of this comparison, securing two out of three spec victories. Its most significant advantage is a TDP rating that is 45% better than the alternative, providing superior thermal management capabilities for high-performance systems. While the Thermalright Peerless Assassin 120 holds its own in one category, the Arctic Liquid Freezer III 280 remains the more robust option for users prioritizing maximum heat dissipation capacity.

Users requiring the highest possible thermal headroom for demanding workloads should choose the Arctic Liquid Freezer III 280. Conversely, the Thermalright Peerless Assassin 120 is the ideal selection for budget-conscious builders, as it offers a 62% better MSRP. By weighing the necessity of the superior TDP rating against the significant cost advantage of the air cooler, builders can select the component that best aligns with their specific cooling requirements and financial constraints.