How different is using subdomain vs. new domain in terms of SEO?

[anjali raghav]

I read many opinions that search engines do not pass nearly any of main domain authority to a subdomain, because it's basically different domain. Some people say that subdomain receives SOME of its main domain authority.

I have no real experience with this, at least nothing measurable, but I think that it makes sense that subdomain is much closer to the main domain and therefore should take at least some advantage over newly registered domain.

What do you think?

[lishmalinyjames]

The subdirectory strategy concentrates your keywords onto a single domain while the subdomain strategy spreads your keywords across multiple distinct domains. In a word, the subdirectory strategy results in better root domain authority.