Consider, there are two links coming to your site. one link from a blog post and the PR of that blog post is 5(imaginary) another link is from an article site. the page of article post is having the PR 5(imaginary) Which link is more valuable in terms of Google bot/what are the factors which make these two links differ in their quality of linkjuice?
I think article is more beneficial because it has content link and it has more value then blog so article link is more valuable then blog