The gtx1060 is as fast or faster than a 390x but uses about half the power.
Amazing you are calling me out in another thread for having a guy upgrade from a 760 to a 480 as a waste of money, yet here you are trying to get a guy to upgrade from an 8GB 390x to a 1060 6gb... Its not only a more expensive card, but not even an upgrade in performance in many games.
There is only a 5% difference between a MSI Gaming 390x and the MSI Gaming 1060 6gb, and he'd be losing 2 gb of vram.
https://www.computerbase.de/thema/grafikkarte/rangliste/
Well, glad to see all these posts! Haha. Anyway, I guess I probably put a little too much emphasis on power usage, it's really not that big of deal for me.
There is no reason to upgrade your card. You'll see a 5% difference at best overall. That 390x is still an amazing card. The only reason to upgrade would be if you could sell it for the same price as your upgrade cost.