6 year old GPU. 40nm technology. Radeon 6990. Hashes at 800h/s (XMR) makes 0.0017 BTC daily.
6 month old RX 480 hashes at 200h/s (ZEC) makes 0.0014 BTC daily.
Yeah things are starting to look bad... mostly for new GPU owners

I have same video card and it is doing just about 6H/s ZEC VS My RX390x doing 288H/s ZEC