English Mastiff vs Greyhound

Working · Giant vs Hound · Large

Quick take
  • English Mastiff is the larger breed at 160–230 lbs (males) vs 65–70 lbs for the Greyhound.
  • The Greyhound typically lives longer (10–13 years).
  • The Greyhound has higher daily energy needs.
  • The Greyhound sheds less.

Side-by-side traits

TraitEnglish MastiffGreyhound
Group
WorkingHound
Size
GiantLarge
Origin
EnglandEgypt
Height (male)
30"28–30"
Height (female)
27.5"27–28"
Weight (male)
160–230 lbs65–70 lbs
Weight (female)
120–170 lbs60–65 lbs
Lifespan
Average expected lifespan.
6–10 years10–13 years
Energy level
Daily activity needs.
Low (2/5)Moderate (3/5)
Trainability
How quickly the breed learns commands.
Moderate (3/5)Moderate (3/5)
Intelligence
Problem-solving ability.
Moderate (3/5)High (4/5)
Exercise needs
Daily physical activity required.
Low (2/5)High (4/5)
Shedding
Lower = less hair around your home.
Moderate (3/5)Low (2/5)
Grooming effort
Brushing, bathing, professional grooming.
Very Low (1/5)Very Low (1/5)
Drooling
Lower = drier face and furniture.
Very High (5/5)Very Low (1/5)
Barking
How vocal the breed is.
Low (2/5)Very Low (1/5)
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)Low (2/5)
Adaptability
Apartment / new environment tolerance.
Moderate (3/5)High (4/5)
Coat length
shortshort
Hypoallergenic
Lower-shedding, less dander.
NoNo
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About the English Mastiff

The English Mastiff is a courageous, dignified, good-natured giant — the heaviest dog breed, ancient British war hounds. 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 Greyhound

The Greyhound is a gentle, independent, noble sighthound — the fastest dog (45 mph) and biggest couch potato off-track. Originally from Egypt, this large hound breed typically weighs 65–70 lbs and lives 10–13 years. Breeders describe them as gentle, independent, noble.

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English Mastiff health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Heart disease
  • Cancer

Greyhound health

Common health concerns reported in this breed:

  • Bloat
  • Bone cancer
  • Anesthesia sensitivity