Mastiff vs Saint Bernard

Working · Giant vs Working · Giant

Quick take
  • Mastiff is the larger breed at 160–230 lbs (males) vs 140–180 lbs for the Saint Bernard.
  • The Saint Bernard typically lives longer (8–10 years).
  • The Mastiff sheds less.
  • The Saint Bernard is generally more trainable.

Side-by-side traits

TraitMastiffSaint Bernard
Group
WorkingWorking
Size
GiantGiant
Origin
EnglandSwitzerland
Height (male)
30"28–30"
Height (female)
27.5"26–28"
Weight (male)
160–230 lbs140–180 lbs
Weight (female)
120–170 lbs120–140 lbs
Lifespan
Average expected lifespan.
6–10 years8–10 years
Energy level
Daily activity needs.
Low (2/5)Low (2/5)
Trainability
How quickly the breed learns commands.
Moderate (3/5)High (4/5)
Intelligence
Problem-solving ability.
Moderate (3/5)High (4/5)
Exercise needs
Daily physical activity required.
Low (2/5)Moderate (3/5)
Shedding
Lower = less hair around your home.
Moderate (3/5)High (4/5)
Grooming effort
Brushing, bathing, professional grooming.
Very Low (1/5)Moderate (3/5)
Drooling
Lower = drier face and furniture.
Very High (5/5)Very High (5/5)
Barking
How vocal the breed is.
Low (2/5)Low (2/5)
Good with kids
High (4/5)Very High (5/5)
Good with other dogs
Moderate (3/5)High (4/5)
Good with strangers
Moderate (3/5)High (4/5)
Protectiveness
Watchdog tendencies.
Very High (5/5)Moderate (3/5)
Adaptability
Apartment / new environment tolerance.
Moderate (3/5)Moderate (3/5)
Coat length
shortlong
Hypoallergenic
Lower-shedding, less dander.
NoNo
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About the Mastiff

The Mastiff is a courageous, dignified, good-natured giant — one of the most ancient breeds, formerly war dogs. Originally from England, this giant working breed typically weighs 160–230 lbs and lives 6–10 years. Breeders describe them as courageous, dignified, good-natured.

About the Saint Bernard

The Saint Bernard is a playful, charming, inquisitive Alpine rescue giant — the original mountain rescue with the brandy keg. Originally from Switzerland, this giant working breed typically weighs 140–180 lbs and lives 8–10 years. Breeders describe them as playful, charming, inquisitive.

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Mastiff health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Heart disease
  • Cancer

Saint Bernard health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Heart disease
  • Eye conditions