2 RX480s vs 2 1060s?

I have a budget of $400, it can go up by about $50 if I have to. Anyways I am currently using a 7950 and 270X which gets me about 370Sol/s. That's not amazing considering it is pulling from 3 6 pins and an 8 pin power connector. I also have a 6800K and 980ti that I mine with on and off which get about 500Sol/s. Would 2 RX480s get me more Sol/s rather than 2 1060s? Thanks

I'd get the 480s if you consider mining any other coin. Also if some new coin pops up in the future it will probably run better on AMD. Other than that 1060s are not bad cards at all.