At the Maradona stadium, Milanese visitors struck the first, by Dimarco (22e), but the Partenopei ended up replying to the Money Time thanks to Billing (87e).
The Inter remains leader in the Italian elite classification with a step ahead of Naples, which has not won for five days already.
Earlier in the day, Atalanta, third, had missed the mark at home in front of Venice (0-0), thus remaining two and three units of the two aforementioned teams.