The Arctic Liquid Freezer III 420 is the objective winner of this comparison, securing more category victories than its competitor. Its most significant advantage is the noise level, where it performs 24% better than the alternative. By prioritizing acoustic efficiency, this cooler establishes itself as the superior option for users who value a quieter computing environment while maintaining the cooling capabilities required for their system.

Choose the Arctic Liquid Freezer III 420 if your primary goal is minimizing operational noise during heavy workloads. Conversely, select the DeepCool LS720 360mm if your priority is the MSRP, as it holds a 9% advantage in that specific category. Each component offers distinct benefits, allowing you to decide whether your build configuration favors the acoustic performance of the larger unit or the cost efficiency of the smaller model.