EOS vs ETH...
in terms of daily increase percentage growth..
Today, EOS growth to 11.59$ each which is 5.48% growth today while ETH value now was 635.87$ which is 5.06% growth. You can say todays' growth was too close for both of them yet EOS is more percentage growth.
But if we check the weekly growth especially when I bought some of my ETH last week.
ETH grow up to 61% which is farther than EOS growth to 42%.
In terms of popularity, ETH is much more popular than EOS.

This conclude that ETH will be the one the far ahead for the 2 altcoins.