The City one is better because.... well, it was against, City. Outside of that, very little to distinguish them apart really.
He's on some form, but sometimes I wonder how ultra bias we are, as he's seemingly getting unanimous praise as the best in the world right now from uk pundits and fans, when Benzema's being absolutely sublime himself, in a weaker team, albeit in a weaker league(always debatable but whatever) and well, just a bit less flashy though. I dunno, maybe I being pedantic for no reason.