Originally Posted by
ATC Watcher
Shooting at an ambulance is not very nice , besides the fact that a 757 produces more vortex than a 380 , the beasts are likely to be still flying long after you retire...
The wake depends on phase of flight.
I think His Dudeness referred to them in cruise flight, when A380 is the culprit of the two.
Whereas ATC Watcher, you likely refer to them on approach, where the B757 is the culprit of the two.
You are both correct.