Cavalier King Charles SpanielVSShih Tzu

The Cavalier King Charles Spaniel is known for being affectionate, gentle, graceful, while the Shih Tzu is typically described as affectionate, outgoing, happy. These distinct personality traits mean each breed offers a different kind of companionship.

Both breeds share a similar playfulness level at 4/5, so you can expect comparable levels of fun and games from either one.

Noise-wise, the Shih Tzu is more vocal with a barking level of 3/5, while the Cavalier King Charles Spaniel is quieter at 2/5. If you prefer a calmer household, the Cavalier King Charles Spaniel may be the better choice.

The Cavalier King Charles Spaniel is a small breed standing 30–33 cm (12–13 in) tall and weighing 5–8 kg (11–18 lbs). In comparison, the Shih Tzu is a small breed at 20–28 cm (8–11 in) and 4–7 kg (9–15 lbs).

These two breeds are quite similar in size, so space and food requirements will be comparable for either choice.

The Cavalier King Charles Spaniel has a long coat available in Blenheim, tricolor, black and tan, ruby, while the Shih Tzu sports a long coat in black, white, gold, brindle, liver. Coat type significantly impacts grooming needs and shedding, which we cover below.

The Cavalier King Charles Spaniel has moderate energy (3/5) with moderate exercise needs (3/5). The Shih Tzu has low energy (2/5) and low exercise needs (2/5).

The Cavalier King Charles Spaniel requires more daily activity to stay happy and healthy. Without enough exercise, they may develop destructive behaviors. The Shih Tzu is more adaptable and can get by with shorter walks and play sessions.

When it comes to shedding, the Cavalier King Charles Spaniel drops more fur with a shedding level of 3/5, while the Shih Tzu is lighter at 1/5. If pet hair on furniture is a concern, the Shih Tzu will be easier to live with.

Grooming-wise, the Shih Tzu needs more upkeep (5/5) than the Cavalier King Charles Spaniel (3/5). The Shih Tzu's long coat demands regular professional grooming to stay in top shape.

Annual grooming costs average around $200 for the Cavalier King Charles Spaniel and $500 for the Shih Tzu. Factor this into your budget when deciding between the two.

The Cavalier King Charles Spaniel has a lifespan of 9–14 years, while the Shih Tzu lives 10–16 years. The Shih Tzu generally has a longer lifespan.

The Shih Tzu is generally the healthier breed, scoring 3/5 for health robustness versus the Cavalier King Charles Spaniel's 2/5. This often translates to fewer vet visits and lower medical costs.

Common health issues for the Cavalier King Charles Spaniel include mitral valve disease, syringomyelia, patellar luxation, hip dysplasia. The Shih Tzu is prone to brachycephalic syndrome, patellar luxation, hip dysplasia, eye problems. Regular vet checkups and health screenings are essential for both breeds.

Annual vet costs average $700 for the Cavalier King Charles Spaniel and $450 for the Shih Tzu. Pet insurance is worth considering for either breed.

The Cavalier King Charles Spaniel is easier to train with a trainability score of 4/5, making it more suitable for first-time dog owners. The Shih Tzu scores 3/5 and may require more patience and experience during training sessions.

Both breeds match in intelligence at 3/5, so expect similar learning speeds and mental stimulation needs from either choice.

Regardless of which breed you choose, early socialization and consistent positive reinforcement training are key to raising a well-behaved dog. Puppy classes are a great investment for either breed.

Both the Cavalier King Charles Spaniel and Shih Tzu score 3/5 for intelligence, putting them on equal footing mentally. They'll learn commands at similar speeds and need comparable amounts of mental stimulation to stay happy and well-behaved.

Both breeds share a similar intelligence profile rooted in adaptive intelligence. Both are skilled at reading human emotions, adapting to new environments, and solving everyday problems on their own.

For either breed, mental enrichment is just as important as physical exercise. Puzzle feeders, training sessions, scent work, and interactive toys keep intelligent dogs engaged and prevent the boredom that leads to chewing, digging, or excessive barking.

For families with children, the Cavalier King Charles Spaniel is the stronger choice, scoring 5/5 for kid-friendliness compared to the Shih Tzu's 4/5. The Cavalier King Charles Spaniel's affectionate nature makes it a natural fit for households with young ones.

If you have other pets, the Cavalier King Charles Spaniel tends to get along better with other dogs (5/5) than the Shih Tzu (4/5). Proper introductions are still important, but the Cavalier King Charles Spaniel is naturally more sociable with canine companions.

The Cavalier King Charles Spaniel is more welcoming to strangers (5/5), while the Shih Tzu tends to be more reserved (4/5). If you frequently have guests, the Cavalier King Charles Spaniel's sociable nature will make entertaining easier.

The initial purchase price for a Cavalier King Charles Spaniel ranges from $1,200–$3,500, while a Shih Tzu typically costs $500–$2,000. The Cavalier King Charles Spaniel has a higher upfront cost.

Ongoing annual costs (food, vet, grooming) come to approximately $1,260 for the Cavalier King Charles Spaniel and $1,310 for the Shih Tzu. The Shih Tzu costs more annually, largely because of grooming expenses.

Monthly food costs run about $30 for the Cavalier King Charles Spaniel and $30 for the Shih Tzu. Over a typical lifespan, the total cost of ownership can differ by thousands of dollars, so it's worth factoring in the long-term financial commitment.