Breed matchup

Labrador Retriever vs Mastiff

Interactive head-to-head—swap sides, filter traits, and see who edges each lifestyle score before you read the full guides.

Labrador Retriever

Mastiff

Head-to-head

Labrador Retriever vs Mastiff

Derived comparison from breed profiles: Labrador Retriever runs very high energy vs Mastiff's low to moderate. Labrador Retriever scores higher with kids (5/5 vs 2/5). Labrador Retriever sheds more (4/5). America's most popular dog breed. Massive, gentle giant known for their calm demeanor.

Derived from breed profile scores—not a substitute for meeting dogs or consulting professionals.

large vs large
Energy 5 vs 2
short vs short
10-12 years · 6-10 years

Biggest differences

Weight

55-80 lbs

vs

120-230 lbs

Height

21-24 inches

vs

27-30 inches

Lifespan

10-12 years

vs

6-10 years

Monthly cost*

$80–$150

vs

$90–$170

*Typical ownership cost band estimate—not a quote.

Lifestyle scores

Tap a trait for context. Filter by what matters most to you.

Temperament

Typical breed leanings—individuals vary.

Labrador Retriever

America's most popular dog breed. Overall, Labrador Retrievers are described as outgoing, even-tempered, gentle, agile. Trainability sits around 5/5 and bark tendency around 2/5, so consistent positive training usually pays off quickly.

Outgoing
Even-tempered
Gentle
Agile

Mastiff

Massive, gentle giant known for their calm demeanor. Overall, Mastiffs are described as gentle, calm, loyal, protective. Trainability sits around 3/5 and bark tendency around 2/5, so patience and clear boundaries matter more than force.

Gentle
Calm
Loyal
Protective

Care side by side

Grooming, exercise, and training at a glance.

Labrador Retriever

Highly energetic breed requiring 1-2 hours of vigorous exercise daily.

Mastiff

Low energy requiring moderate daily exercise.

Who should choose which?

Use this as a shortlist—then meet dogs and read full guides.

Choose Labrador Retriever

Choose a Labrador Retriever if you want a large dog with very high energy, kids fit excellent, and apartment fit limited. Temperament leans outgoing and even-tempered.

Choose Mastiff

Choose a Mastiff if you prefer large size, low to moderate energy, kids fit limited, and apartment fit poor. Traits include gentle and calm.

Still deciding?

Take the lifestyle match quiz or open both breed guides for first-year costs, health screening, and adopter questions.

FAQs

What is the difference between a Labrador Retriever and a Mastiff?

Derived comparison from breed profiles: Labrador Retriever runs very high energy vs Mastiff's low to moderate. Labrador Retriever scores higher with kids (5/5 vs 2/5). Labrador Retriever sheds more (4/5). America's most popular dog breed. Massive, gentle giant known for their calm demeanor.

Which is better for apartments, Labrador Retriever or Mastiff?

Labrador Retriever is the stronger apartment candidate (2/5).

Which is better with kids, Labrador Retriever or Mastiff?

Labrador Retriever scores higher with kids (5/5). Supervision still matters.

How do Labrador Retriever and Mastiff compare on energy?

Labrador Retriever: 5/5 (very high). Mastiff: 2/5 (low to moderate). Match the higher-energy breed only if you can meet exercise needs daily.

References

This comparison summarizes publicly available breed-standard and veterinary education sources. Always consult your veterinarian for individual care, and meet dogs in person before deciding.

  1. [1]Labrador Retriever Dog Breed InformationAmerican Kennel Club (AKC)
  2. [2]Mastiff Dog Breed InformationAmerican Kennel Club (AKC)
  3. [3]How to Choose the Right Dog BreedAmerican Kennel Club (AKC)
  4. [4]Pet Ownership & Responsible CareAmerican Veterinary Medical Association (AVMA)
  5. [5]General Dog CareASPCA
  6. [6]How Much Does Dog Ownership Cost?American Kennel Club (AKC)

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