The Thermalright Peerless Assassin 120 SE wins in 2 out of 3 comparable specs. Its biggest advantage is MSRP (73% better).
EK-AIO 280 D-RGB wins in 1 spec (TDP Rating: 25% better).
Recommendation
Choose Peerless Assassin 120 SE if you want the best overall performance — especially msrp.
Choose EK-AIO 280 D-RGB if tdp rating matters more to you.
