Devon Rex vs Cornish Rex comparison

Devon Rex vs Cornish Rex — Which Breed Is Right for You?

By PetTales Team·Reviewed for accuracy··8 min read·Updated June 1, 2026

Trying to decide between a Devon Rex and a Cornish Rex? You're not alone — this is one of the most common breed comparisons for cat lovers. Both breeds have passionate fans, and both make excellent companions. But they have important differences in size, energy, grooming needs, and temperament that could make one a much better fit for your lifestyle than the other.

Quick Answer

The Devon Rex and Cornish Rex are both wonderful cats but differ in key areas. The Devon Rex is a small, high-energy breed, while the Cornish Rex is small with moderate energy. Your choice depends on your lifestyle, space, and activity level.

Key Takeaways

  • Devon Rex: Small size, High energy, Minimal shedding
  • Cornish Rex: Small size, Moderate energy, Moderate shedding
  • Both breeds can be great family pets with proper socialization
  • Lifespan: Devon Rex (12–16 years) vs Cornish Rex (12–16 years (some live to 20+))

At a Glance — Devon Rex vs Cornish Rex

Devon Rex vs Cornish Rex — Quick Comparison

TraitDevon RexCornish Rex
SizeSmallSmall
Energy LevelHighModerate
SheddingMinimalModerate
Apartment FriendlyYesYes
HypoallergenicYesNo
Lifespan12–16 years12–16 years (some live to 20+)

Size and Appearance

Both the Devon Rex and the Cornish Rex are small-sized cats, so their space and feeding requirements are similar. However, they differ in build, coat, and overall appearance. Both breeds have devoted followings for their distinctive looks and charm.

Temperament and Personality

The Devon Rex has high energy while the Cornish Rex is moderate energy. This is one of the biggest practical differences between the two breeds, affecting your daily routine, exercise schedule, and overall lifestyle compatibility.

  • Devon Rex energy: High — needs plenty of daily exercise and mental stimulation
  • Cornish Rex energy: Moderate — moderate exercise needs suit most lifestyles
  • Family compatibility: Devon Rex can do well with kids with proper socialization; Cornish Rex can do well with kids with proper socialization

Exercise and Activity Needs

Exercise is a critical factor in choosing between any two breeds. The Devon Rex with its high energy level thrives on 60+ minutes of daily exercise including walks, play, and mental stimulation. The Cornish Rex, with moderate energy, has moderate activity needs.

ℹ️ Exercise Tip
Under-exercised cats often develop behavioral issues like destructive chewing, excessive barking, or anxiety. Make sure you can commit to your chosen breed's activity needs before bringing them home.

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Grooming and Shedding

The Devon Rex has minimal shedding while the Cornish Rex has moderate shedding — a noticeable but manageable difference in grooming needs.

Health and Lifespan

The Devon Rex typically lives 12–16 years while the Cornish Rex lives 12–16 years (some live to 20+). Both breeds benefit from regular veterinary checkups, a balanced diet, and appropriate exercise. Responsible breeding and health screenings can help minimize breed-specific health concerns.

Training and Intelligence

Both the Devon Rex and Cornish Rex have moderate trainability, responding well to consistent, positive reinforcement-based training. Early socialization and puppy classes are recommended for both breeds.

Which Breed Should You Choose?

The right choice depends entirely on your lifestyle, living situation, and what you're looking for in a companion. Here's a quick decision guide:

Decision Guide

Choose Devon Rex if...Choose Cornish Rex if...
You want an active adventure partnerYou want a balanced companion
You live in an apartmentYou live in an apartment
You don't want much sheddingYou can handle moderate shedding
You prefer a small catYou prefer a small cat
💡 Still not sure?
Take our Cat Breed Quiz for a personalized recommendation based on your lifestyle.

The PetTales Verdict

Both the Devon Rex and the Cornish Rex make wonderful companions — the best choice is the one that fits your life. Whether you choose the Devon Rex for an active companion, minimal shedding, apartment-friendly living or the Cornish Rex for apartment-friendly living, you're getting a loyal friend for years to come.

Whichever breed you choose, make them the star of their own story! With PetTales, you can create a personalized, AI-illustrated children's storybook starring your cat — a keepsake that celebrates the unique bond between your family and your pet.

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Frequently Asked Questions

Both the Devon Rex and Cornish Rex can be wonderful family dogs. They're both good with children when properly socialized from a young age.

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