Mastiff
VS
Greyhound
Mastiff vs Greyhound
Compare Mastiff and Greyhound side by side and get a clear picture of what sets the breeds apart. Explore differences in size, weight, temperament, activity level, and other key traits to more easily decide which breed best fits your lifestyle and circumstances.
Characteristic
Mastiff
Greyhound
Breed type
Purebred
Purebred
Height
70 – 91 cm
68 – 76 cm
Weight
75 – 110 kg
28 – 50 kg
Life expectancy
10 – 12 years
9 – 12 years
Child friendly
3/5
5/5
Energy level
3/5
4/5
Intelligence
4/5
3/5
Trainability
3/5
4/5
Health
2/5
3/5
Grooming needs
3/5
2/5
Shedding
3/5
2/5
Barking level
3/5
1/5
Aggressiveness
2/5
3/5
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Characteristics
Mastiff
Super smart
Giant
Greyhound
Great with kids
High energy
Low grooming
Quiet
Easy to train
Giant
Summary
About Mastiff
The Mastiff is a giant, heavily built guardian dog, calm and dignified yet deeply devoted to its family. It is watchful rather than aggressive, needs gentle, consistent training, moderate exercise, and space. Its short coat is easy to maintain, but drool, health care, and costs are significant.
About Greyhound
Tall, slender Greyhounds are sprinting sighthounds, built for speed yet calm indoors. They have a short, low‑maintenance coat in many colors and need soft bedding and weather protection. Gentle, sensitive, and affectionate, they suit owners who provide routine, kind training, and moderate daily exercise.
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