The Schnauzer's 3/5 exercise rating and its own note of about an hour daily make it one of the better-balanced small breeds — enough activity to be interesting, little enough to be sustainable.
That hour is best split. A walk in the morning, a walk in the evening, and something for the brain in between: this is a smart, busy dog that responds well to training games, scent work and puzzle feeders. An under-stimulated Schnauzer becomes a barking Schnauzer, which loops directly back to the previous section. It also retains a working ratter's prey drive, so squirrels, cats it does not live with, and anything small and fast will trigger a chase, and off-lead recall needs proper work.
The Malamute's 5/5 has no small version. Two hours minimum with physical resistance — a pack, a harness, a rig, steep ground, snow — and no indoor or bad-weather substitute. In a warm climate the Arctic coat forces the routine to first and last light for months. Under-exercised, it digs, chews and works on the fence, and its own notes call it an extreme escape artist.
The practical difference is what happens on a bad week. A Schnauzer owner with flu can get away with short walks and indoor games for a few days. A Malamute owner cannot, and that non-negotiability is the single most common reason the breed ends up rehomed.
On cost the Schnauzer is cheaper at $90–180 a month against $150–300, with a first year of $1,300–2,500 against $2,000–4,000 — though the six-to-eight-week grooming appointment across twelve to fourteen years narrows the lifetime gap more than most buyers expect.