Hinduism is a polytheist religion
whereas Christianity is monotheist. Many gods versus one seems like a clear
distinction, and I submit that it basically holds. Yet nuances exist that make
the distinction murky both in Hinduism and Christianity. The key to clearing up
the ambiguity lies in deciding whether being a manifestation of something else
is enough to count as existing as an entity. In simpler terms, is a
manifestation real, or is it merely an appearance?
The full essay is at "Christianity and Hinduism."