Grooming
The Australian Shepherd needs more grooming, brushing a few times a week, where the Bearded Collie needs a brush once a week.
Temperament
They differ most on independence (Australian Shepherd: keen to work with you; Bearded Collie: cooperative, with its own ideas) and on loyalty (Australian Shepherd: sticks close to its people; Bearded Collie: bonded to its family).
Alike
They are much the same size as adults, about 24 kg (52 lb) for the Australian Shepherd and 23 kg (50 lb) for the Bearded Collie.
Alike
Both are rated the same on intelligence: needs daily brain work.