According to a post on German Forum, European Model X has a 16.5kW charger, which means 24A with three phases.
US Model S is using 10kW charging with 20kW with double charger. (40 and 80A)
EU Model S is using 11kW charging with 22kW with double charger. (3x16 and 3x32A)
US Model X is using 12kW...