Devon Rex vs Cornish Rex Cat: Differences, Personality & Allergies

Key Takeaways

• Devon Rex cats have wedge-shaped, elfin faces with low-set, rounded ears, while Cornish Rex cats feature egg-shaped heads with high-set, triangular ears, making them easily distinguishable despite their similar curly coats.
• Both breeds shed minimally due to their unique coat structures, making them better options for allergy-sensitive households, though no cat breed is completely hypoallergenic.
• Cornish Rex cats are extremely energetic and playful, like perpetual kittens, while Devon Rex cats are equally affectionate but slightly more relaxed and cuddle-oriented.
• Both breeds require warmer home environments than typical cats due to their thin coats, making them sensitive to cold temperatures.

Where Did These Curly Cats Come From?

Devon Rex and Cornish Rex breeds emerged from natural genetic mutations in the United Kingdom during the mid-20th century. The Cornish Rex appeared first in Cornwall in the 1950s when a curly-haired kitten was born to a domestic cat. Breeders preserved this trait through selective breeding with British Shorthairs and Siamese cats.

A decade later, in the 1960s, another curly-coated kitten appeared in neighboring Devon. Initially mistaken for a Cornish Rex, genetic testing revealed the Devon Rex's curly coat came from an entirely different gene mutation, confirming it as its own distinct breed.

Physical Differences That Set Them Apart

The curly coat and large ears are distinctive features that set Rex breeds apart from other cats.

Body Size & Build

At first glance, these two breeds might seem similar, but their builds tell different stories. The Cornish Rex cuts an elegant figure and weighs 6 to 10 pounds, they sport a graceful, elongated frame with long legs and a tucked waist that gives them that distinctive greyhound-like silhouette.

The Devon Rex? They're the compact athlete of the duo. Though weighing in at a similar 6 to 9 pounds and standing 10 to 12 inches tall, their shorter legs and muscular, stockier build create a more substantial presence—less supermodel, more gymnast.

The Coat Story

Here's where things get really interesting. Both breeds rock that signature wavy look, but the texture tells you exactly who you're petting. The Cornish Rex coat is extraordinarily fine; almost impossibly soft. With primarily undercoat and virtually no outer guard hairs, running your hand across their fur feels like touching velvet, with uniform, tight waves.

The Devon Rex coat is slightly denser with looser, softer curls that dance more freely across their body. These waves can be irregular, giving each cat their own unique pattern. Their fur is more fragile and prone to thinning in places, and you'll notice their whiskers are shorter—often breaking off like tiny springs.

Head Shape & Ears

Want to tell them apart instantly? Look at the face. The Cornish Rex sports an elegant egg-shaped head crowned with large, triangular ears that sit high on the skull like natural antennae.

The Devon Rex? That's where the "pixie cat" nickname comes from. Their wedge-shaped, elfin face is framed by oversized ears set lower on the head with charmingly rounded tips. The overall effect is pure impish mischief captured in feline form.

Personality: What Are These Cats Really Like?

Cornish Rex cats are like perpetual kittens, maintaining their playful, adventurous spirit into adulthood. They love to climb, jump, and explore every corner of your home. These exceptionally curious and confident cats follow you everywhere and actively seek entertainment. They bond closely with families and thrive on interaction, making them excellent companions for active households.

Devon Rex cats share that playful intelligence but tend to be more relaxed and cuddle-oriented. While they enjoy playtime, they're equally happy snuggled in your lap. Known for their strong attachment to owners, they're often described as "dog-like" in their loyalty. Devon Rex cats can be quite vocal, using chirps and meows to communicate. They strike a beautiful balance between lively play and affectionate downtime.

Are They Good for People with Allergies?

Both breeds are often recommended for allergy-sensitive households, though no cat breed is truly hypoallergenic. Cat allergies stem from proteins in saliva, dander, and urine; not the fur itself.

Both Devon Rex and Cornish Rex cats shed significantly less than typical cats due to their unique coat structures. This reduced shedding means fewer allergens circulating in your environment, which can benefit people with mild to moderate cat allergies. 

If you have allergies, spend time with the specific breed before bringing them home, as individual reactions vary.

Grooming & Care Requirements

Both Rex breeds require gentle grooming with soft brushes to maintain coat condition and distribute natural oils.

Coat Care & Bathing

The Cornish Rex's fine coat requires gentle handling but doesn't need frequent bathing. Regular brushing with a soft brush maintains coat condition and distributes natural oils.

Devon Rex cats need more attention because their short fur doesn't absorb oils effectively, requiring bathing every few weeks. When bathing either breed, choose gentle, pH-balanced shampoos specifically formulated for cats with sensitive skin. Avoid human shampoos, which can be too harsh and disrupt their skin's natural balance.

Temperature Sensitivity

Both breeds feel cold more than typical cats due to their thin coats, so provide warm, cozy spots, heated cat beds, or soft blankets in draft-free areas. During colder months, consider cat-safe sweaters for additional warmth.

Nutrition & Supplements

High-quality, protein-rich diets are essential for both breeds to maintain their sleek builds and support their high energy levels. Look for foods with named animal proteins as the first ingredient and minimal fillers. 

Veterinary-formulated supplements can provide additional support for joint health, skin and coat condition, and digestive wellness, particularly beneficial as these active breeds age. Omega-3 fatty acids, in particular, can help maintain healthy skin and reduce inflammation. 

Always consult your veterinarian before introducing supplements to ensure they're appropriate for your cat's specific needs.

Health & Lifespan

Both breeds are generally healthy with good longevity. The Cornish Rex typically lives 11 to 15 years or more, while the Devon Rex usually lives 9 to 13 years, though many exceed that with excellent care. 

Like all purebreds, both can be predisposed to certain genetic conditions, including hypertrophic cardiomyopathy (HCM). Regular veterinary checkups, quality diet, and healthy weight maintenance help minimize health risks.

Devon Rex vs Cornish Rex: Quick Comparison

Making Your Decision Between Devon Rex & Cornish Rex

Both breeds require committed ownership and thrive on social interaction, making them ideal for engaged cat owners.

Choosing between these two curly-coated breeds comes down to matching energy levels and lifestyle preferences. If your household thrives on constant activity and you have time for extended interactive play sessions, the Cornish Rex's perpetual kitten energy will fit right in. Their athletic build and adventurous nature mean they'll use every vertical inch of your space.

For those seeking a more balanced companion, the Devon Rex delivers equal parts entertainment and affection without the non-stop intensity. Their moderate energy levels and love of lap time make them adaptable to various living situations, from apartments to larger homes.

Both breeds require committed ownership because they're social cats who don't handle neglect well. Budget for regular veterinary care, quality nutrition, and grooming supplies. Consider adopting two cats if you work long hours, as neither breed thrives in isolation.

Before committing to either breed, spend time with them in person. Visit reputable breeders, ask questions about temperament, and if possible, interact with adult cats to see their true personality beyond the adorable kitten phase. The right match will be obvious when you find it.

Frequently Asked Questions (FAQs)

Are Devon Rex and Cornish Rex cats related?

While both breeds share the distinctive curly coat trait, they're not directly related. They emerged from different genetic mutations in different UK regions about a decade apart. Genetic testing confirmed their curly coats result from completely different gene mutations, establishing them as distinct breeds.

Do Devon Rex and Cornish Rex cats get along with other pets?

Both breeds are generally social and adaptable, making them excellent companions for households with other pets. Their playful, confident nature means they often enjoy the company of other cats and can coexist peacefully with cat-friendly dogs. Proper introduction and adjustment time are essential.

How much do Devon Rex and Cornish Rex cats cost?

The price typically ranges from $800 to $2,000 from reputable breeders, depending on lineage, location, and whether the cat is pet-quality or show-quality. Always work with responsible breeders who health-test their cats and provide health guarantees.

Can Devon Rex and Cornish Rex cats be left alone during the day?

Both breeds are highly social and bond closely with families, so they don't do well with prolonged isolation. If you work full-time, consider getting two cats for companionship, providing plenty of interactive toys, or arranging pet sitter visits. These aren't ideal breeds for people frequently away from home.

Are Devon Rex and Cornish Rex cats good with children?

Both breeds can be excellent family cats for households with children, though their approaches differ slightly. The Cornish Rex's high energy and playful nature make them great playmates for active kids who enjoy interactive games. The Devon Rex's affectionate, tolerant temperament suits families with children of various ages, including younger kids who want a cuddly companion. 

*Note: Prices mentioned are approximate and may vary depending on location, breeder reputation, pedigree, and availability. Always confirm current pricing directly with the seller or breeder before making a purchase.