GTX 1060 or 980 with this build?

Mar 21, 2018
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I know there is a lot of debate between the two graphic cards, but i know for a fact 1060 is a lot cheaper, but they both have similar performance, so now I'm asking which one is the best with this build:

-RAM: Vulcan 16GB (2 x 8GB) DDR4-2400 Memory
-CPU: i5-8400
-SSD: 240GB
-HDD: 1TB
-Motherboard: Gigabyte - B360M H Micro ATX LGA1151 Motherboard
-Power supply: SeaSonic - FOCUS Plus Gold 550W

I'm looking for at least mid range fps (at least 50/60 fps in newest games) so which one would be better? I'm leaning more towards the 1060 one. thank you!