Having said that I found one article, of suspect origin it has to be said; they seem to be coming from an anti-Russia perspective and the comparisons with the two laws are played down always in favour of the U.S.

I just found out They are based at Colulmbia University so they are almost certainly favourable to the empire and pushing propaganda, but they do cover some of the (supposed) main differences; notably they claim the U.S. version is restricted to cases where foreign government or political entities are involved not just foreign funding.

https://eurasianet.org/far-from-fara-georgias-foreign-agent-law-controversy