As someone who has run both side by side on literally identical hardware... no, Linux has not caught up. Lxc containers vs Solaris Zones... zones clearly wins.

As someone who has run both side by side on literally identical hardware... no, Linux has not caught up. Lxc containers vs Solaris Zones... zones clearly wins. SMF vs systemd (I know that you didn't include this, but it matters)... SMF is clearly superior as well.