Bernese Mountain Dog vs Border Collie: Which Suits Your Home?

The Bernese is the bigger dog by a clear margin -- 70-115 lbs and 23-27 inches against the Border Collie's 30-55 lbs and 18-22 inches. Both are athletic-framed working breeds underneath, but only one of them was bred to be big.

This is where the two really part ways. The Border Collie needs a 5/5 level of exercise and energy -- among the highest ratings a breed can carry -- while the Bernese sits at a comfortable 3/5 on both. A Border Collie without a serious daily outlet, ideally with a task to do, tends to invent its own entertainment, and owners rarely enjoy what it invents.

Grooming needs tie at 3/5 for both breeds, but the Bernese sheds more (4/5 versus 3/5). Both carry double coats that blow out seasonally, so expect regular brushing and a vacuum that earns its keep either way.

Neither breed is an apartment dog -- the Bernese scores 2/5 and the Border Collie scores just 1/5, near the bottom of the scale. That 1/5 reflects the Border Collie's working-dog roots more than pure size; a bored Border Collie in a small space is a recipe for destructive behavior. Both tolerate solitude poorly, though the Bernese does somewhat better (3/5 versus 2/5).

The Border Collie is famously one of the most trainable breeds around, rated 5/5, edging out the Bernese's still-strong 4/5. But trainability isn't the same as ease of ownership -- the Border Collie scores just 1/5 for first-time owners, the lowest rating in this comparison, against the Bernese's 4/5. A dog that learns fast still needs an owner who can keep up with what it learns.

The Bernese rates higher with kids, other dogs, and strangers across the board -- 5/5, 5/5, and 4/5 versus the Border Collie's 4/5, 4/5, and 3/5. Neither score suggests a problem dog, but the Bernese's temperament list (gentle, calm) reads more laid-back day to day than the Border Collie's (focused, energetic).

The Border Collie's 12-15 year lifespan comfortably beats the Bernese's 7-10, despite both carrying ten-condition health lists. The overlap is notable: both breeds carry hip dysplasia, progressive retinal atrophy, allergies, and cancer risk. The Border Collie's list adds breed-specific concerns like cerebellar abiotrophy and a documented tendency toward obsessive-compulsive behavior, often linked to under-stimulation.

The Bernese costs more to keep, at 4/5 against the Border Collie's 3/5 -- $120-250 monthly versus $100-180, and $1,800-3,200 in the first year versus $1,500-2,800. The gap is smaller than the size difference might suggest, since the Border Collie's high exercise needs add costs of their own -- training classes, dog sports, mental enrichment toys -- that a lower-energy dog wouldn't need.