Two major themes of neo-reactionary ideology seem to be authoritarianism and white supremacy.
There is definitely some overlap between people who identify with neo-reactionary ideas and people who identify with explicitly neo-Nazi/neo-fascist ideas.
Neo-reactionary ideology seems like a close match for fascism. The Wikipedia article on it discusses whether it is or isn’t fascism: https://en.wikipedia.org/wiki/Dark_Enlightenment
Two major themes of neo-reactionary ideology seem to be authoritarianism and white supremacy.
There is definitely some overlap between people who identify with neo-reactionary ideas and people who identify with explicitly neo-Nazi/neo-fascist ideas.