Exercise, energy, barking, dog tolerance, first-time owners and time alone all tie. Two athletic large dogs with the same demands on your week.
The stranger rating is where they part: 4/5 against 2/5.
A Malamute greets everybody. It will meet an intruder at the gate with enthusiasm and show him the garden, and for a great many buyers that is exactly what they want — a big dog with no liability attached.
A Doberman assesses. It is not sharp or nervous when correctly bred; it notices, defers to its handler, and does not escalate without cause. At 5/5 trainability it is arguably the most controllable protection breed available, and that control is what you are buying.
The practical rows favour the Doberman: 1/5 grooming against 4/5, 3/5 shedding against 5/5, and a lower monthly cost.
The Malamute's advantages are children at 5/5, cold-weather capability, and a much lighter health list.