Which fan is better? Which is quieter?

[Mechanics55]

I have 2 Corsair Sickleflows (120mm).
I also have 2 of these stock corsair carbide 200R fans: http://www.avadirect.com/SD-12025L-120mm-Black-Case-Fan-3-Pin-Power-Connector/Product/7695317

Anyone know which are better?

 

[Xtergo]

You meant cooler master sickle-flows right?
yes with 19 dBa the sickle flows are quieter

 

[Mechanics55]

You meant cooler master sickle-flows right?
yes with 19 dBa the sickle flows are quieter

Yeah I meant Cooler Master oops