Side-by-side comparison of two popular breeds — temperament, exercise, grooming, lifespan and common health issues. Use it to decide which breed fits your home.
The Cornish Rex (2.5–4.5 kg, 11–15 years) and the Devon Rex (2.5–4.5 kg, 9–15 years) sit in different — or sometimes overlapping — corners of cat ownership. Here's how they really compare for an everyday Irish or UK family.
Energy levels are well-matched between the Cornish Rex and Devon Rex — both need similar daily exercise.
Both have manageable grooming routines — the Devon Rex demands slightly more, but neither needs daily fuss.
Insurance premiums for breeds with brachycephalic, joint or cancer predispositions run 20–40% above average — check before you commit. We have a free quote calculator here.
 Cornish Rex |
 Devon Rex |
|
|---|---|---|
| Group | Short Hair | Short Hair |
| Origin | England (1950) | England (1959) |
| Weight | 2.5–4.5 kg | 2.5–4.5 kg |
| Height | 20–28 cm | 23–30 cm |
| Lifespan | 11–15 years | 9–15 years |
| Energy level | ||
| Trainability | ||
| Grooming needs | ||
| Good with kids | ||
| Good with other pets | ||
| Hypoallergenic | ||
| Watchdog instinct | ||
| Novice-owner OK |
Cornish RexActive, social, playful, sometimes mischievous. Cornish Rex love attention and don't do well alone.
Highly active. Need climbing, toys, food puzzles.
Almost no shedding. Weekly gentle brush. Bathe when greasy.
Hypertrophic cardiomyopathy. Patellar luxation. Hereditary baldness in some lines.
Full Cornish Rex profile →
Devon RexPlayful, mischievous, affectionate, dog-like. Devons love being on shoulders, in laps and involved in everything.
Highly active. Cat trees, food puzzles, interactive play.
Wavy coat — minimal brushing (it's fragile). Bathe occasionally if greasy.
Hypertrophic cardiomyopathy. Hereditary myopathy. Hip dysplasia. Patellar luxation. Skin issues.
Full Devon Rex profile →Families, multi-pet homes, allergy-sensitive owners.
Families with children, multi-pet homes, allergy-sensitive owners (test first).
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