Authoritarianism doesn’t necessarily require nationalism or vice versa, though they’re often linked, that doesn’t necessarily have to be the case. The USA is pretty flag waving, nationalist brained but individual freedom exists. Versus a country like Saudi as you mention is not particularly nationalist, but repression is widespread.

They are quite different than Russia, but looking only at individual freedom, the two are similar in that freedom of speech is not respected and leaders are not fairly elected.