Italian Greyhound vs Mastiff

Toy · Small vs Working · Giant

Quick take
  • Mastiff is the larger breed at 160–230 lbs (males) vs 7–14 lbs for the Italian Greyhound.
  • The Italian Greyhound typically lives longer (14–15 years).
  • The Italian Greyhound has higher daily energy needs.
  • The Italian Greyhound sheds less.

Side-by-side traits

TraitItalian GreyhoundMastiff
Group
ToyWorking
Size
SmallGiant
Origin
ItalyEngland
Height (male)
13–15"30"
Height (female)
13–15"27.5"
Weight (male)
7–14 lbs160–230 lbs
Weight (female)
7–14 lbs120–170 lbs
Lifespan
Average expected lifespan.
14–15 years6–10 years
Energy level
Daily activity needs.
High (4/5)Low (2/5)
Trainability
How quickly the breed learns commands.
Moderate (3/5)Moderate (3/5)
Intelligence
Problem-solving ability.
High (4/5)Moderate (3/5)
Exercise needs
Daily physical activity required.
Moderate (3/5)Low (2/5)
Shedding
Lower = less hair around your home.
Very Low (1/5)Moderate (3/5)
Grooming effort
Brushing, bathing, professional grooming.
Very Low (1/5)Very Low (1/5)
Drooling
Lower = drier face and furniture.
Very Low (1/5)Very High (5/5)
Barking
How vocal the breed is.
Moderate (3/5)Low (2/5)
Good with kids
Moderate (3/5)High (4/5)
Good with other dogs
Moderate (3/5)Moderate (3/5)
Good with strangers
Moderate (3/5)Moderate (3/5)
Protectiveness
Watchdog tendencies.
Low (2/5)Very High (5/5)
Adaptability
Apartment / new environment tolerance.
High (4/5)Moderate (3/5)
Coat length
shortshort
Hypoallergenic
Lower-shedding, less dander.
NoNo
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About the Italian Greyhound

The Italian Greyhound is a playful, alert, sensitive miniature sighthound — Renaissance lapdog favored by Italian nobility. Originally from Italy, this small toy breed typically weighs 7–14 lbs and lives 14–15 years. Breeders describe them as playful, alert, sensitive.

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.

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Italian Greyhound health

Common health concerns reported in this breed:

  • Leg fractures
  • Dental issues
  • Hypothyroidism
  • PRA

Mastiff health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Heart disease
  • Cancer