Both are eternal and indestructible. Both are greater than the greatest. They are similar in these. There are point of dissimilarity again between them.
उभौ नित्यावविचलौ महद्भ्यश्च महत्तरौ। सामान्यमेतदुभयोरेवं ह्यन्यद्विशेषणम्॥