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Saint Bernard vs Shih Tzu

Side-by-side comparison across all 14 AKC trait ratings, with a clear verdict on which breed fits which kind of household.

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The bottom line

Saint Bernard vs Shih Tzu

People don’t usually compare a Saint Bernard and a Shih Tzu unless they're deep into the "dog personality vs. practicality" debate. On paper, they’re polar opposites—one’s a mountain of a dog bred to dig people out of avalanches, the other a lap-sized charmer who once lounged in Chinese imperial palaces. But both score high on affection and kid-friendliness, which is where the confusion starts. If you’re torn, it’s probably because you want a loving, gentle dog but haven’t fully confronted your lifestyle yet. The Saint Bernard is a commitment to space, cleanup, and climate. You’ll need a house with room to spare, because at 150 pounds, this dog doesn’t just sit—it occupies. You’ll clean drool off the walls, brace for seasonal shedding like a snowstorm, and feed them like you’re stocking a pantry. But if you live in a colder region and have a family, their calm, patient nature is gold. They’re not hyper, but they’re not a couch ornament either—they need moderate walks and serious bloat prevention. The Shih Tzu fits in a tote bag, barks at the mailman, and thrives in a studio apartment. Their low shedding is a win for allergies, but don’t be fooled—they need daily brushing and regular trims. They’re sturdy with kids if taught gently, but their small size means they can’t handle rough play. And while they’re easier on space, their brachycephalic faces mean no overheating, no overexertion. Here’s the real insight: the Saint Bernard is a family pet that happens to be a dog. The Shih Tzu is a companion that happens to tolerate your family. Pick based on who you are when the world’s quiet—do you want a quiet giant beside you, or a tiny shadow in your pocket?

Saint Bernard
Shih Tzu
26–30 in
Height
9–10.5 in
120–180 lb
Weight
9–16 lb
8–10 yr
Lifespan
10–18 yr
$1.5–4.0k
Puppy price
$1.2–3.5k
#48
AKC popularity
#20

Trait-by-trait

Higher bar = more of that trait. Shedding, barking, drooling, grooming flipped for readability.
Affectionate w/ Family
Good with Young Children
Good with Other Dogs
Shedding Level
Coat Grooming
Drooling Level
Good with Strangers
Playfulness
Watchdog / Protective
Adaptability
Trainability
Energy Level
Barking Level
Mental Stimulation Needs
AffectionGood w/ KidsGood w/ DogsShedding LevelGroomingDrooling LevelGood w/ StrangersPlayfulnessProtectiveAdaptabilityTrainabilityEnergy LevelBarking LevelMental Stim.
Saint Bernard Shih Tzu
Overlay

Where they diverge

Drooling Level
Shih Tzu drools less (4-point difference)
Shih
Good with Other Dogs
Shih Tzu is better with other dogs (2-point difference)
Shih
Shedding Level
Shih Tzu sheds less (2-point difference)
Shih
Coat Grooming
Saint Bernard needs less grooming (2-point difference)
Saint
Watchdog / Protective
Saint Bernard is more protective (2-point difference)
Saint
The verdict

Choose the Saint Bernard if…

  • Families with children
  • Those wanting a gentle giant
  • Cold climate households
  • You value drooling levelSaint Bernard scores noticeably higher.

Choose the Shih Tzu if…

  • Apartment living
  • Seniors
  • Families with gentle children
  • You value good with other dogsShih Tzu scores higher here.
Saint Bernard Owner’s Guide
Everything you need before bringing your Saint Bernard home.
Breed variants, breeder red flags, and what to ask
First-week checklist and daily schedules by age
Training timeline from 8 weeks to adulthood
Health screenings, emergency card, and feeding portions
Grooming schedule, first-year costs, and what nobody tells you
Get Your Guide
Shih Tzu Owner’s Guide
Everything you need before bringing your Shih Tzu home.
Breed variants, breeder red flags, and what to ask
First-week checklist and daily schedules by age
Training timeline from 8 weeks to adulthood
Health screenings, emergency card, and feeding portions
Grooming schedule, first-year costs, and what nobody tells you
Get Your Guide

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