Saint Bernard vs American Mastiff
Compare the Saint Bernard to the American Mastiff. Use the tool below to compare temperament, size, personality, maintenance requirements, and everything else between Saint Bernards and American Mastiffs.
American Mastiff
Saint Bernard
Breed Type
Purebred
Purebred
Allergy Friendly
No
No
Lifespan
10-12 Years
8-10 Years
Height
28-36 Inches
25½-27½ Inches
Weight
140-200 Pounds
110-200 Pounds
Intelligence
American Mastiff
Saint Bernard
Origin Country
United States
Switzerland
Origin Year
1990 AD
1695 AD
American Mastiff
Saint Bernard
Overall Friendliness
Family Friendly
Child Friendly
Pet Friendly
Stranger Friendly
American Mastiff
Saint Bernard
American Mastiff
Saint Bernard
Apartment
Yes
Yes
Indoor
No
Yes
Small Yard
Yes
Yes
Medium Yard
Yes
Yes
Large Yard
No
Yes
Temperature Tolerance
40-80 °F
20-85 °F
Barks/Howls
American Mastiff
Saint Bernard
Energy Level
Medium
Low
Exercise Required
Medium
Low to Medium
Top Running Speed
24 MPH
20 MPH
Strength
Very High
Very High
American Mastiff
Saint Bernard
Coat Maintenance
Low
Medium
Shedding
Medium
Medium
Dander
Low
Medium
Drool
Medium
High
American Mastiff
Saint Bernard
Dominant / Alpha
No
No
Family / Pack
Yes
Yes
Independent
No
No
American Mastiff
Saint Bernard
Distracted Easy
No
No
Focused & Patient
Yes
No
American Mastiff
Saint Bernard
Aggression
Burrow / Digging
Chasing
Follow Commands
Fighting
Guarding
Herding
Hunting
Protection
Remove Vermin
Sled Pulling
Watch / Guardian
American Mastiff
Saint Bernard
Average Lifespan
10-12 Years
8-10 Years
American Mastiff
Saint Bernard
American Mastiff
Saint Bernard
Coat Type
Fur
Fur
Coat Layering
Smooth
Double
Coat Texture
Rough
Straight
Rough
Straight
Coat Length
Short
Medium
American Mastiff
Saint Bernard
