City won in Madrid 2-1 last night for the first-leg of their Champions League round 16 tie.
And Rodri claimed Real are less daunting to face having lost Ronaldo to Juventus.
“Of course you can tell [when someone like Ronaldo is not there]," said Rodri.
“Those kind of players, of which there are basically two in the world, who tip the balance, you notice when they're not there. They're a bit flatter.
“But they have good midfielders and they impose on you more, although in 'arrival' they do less. But they're still a very hard team."