It will vary as everyone has their own opinion about their pets. Comparing the intelligence of animals of different species is difficult although there are certain tests and problem sets that have proved to be useful.
According to Psychologytoday.com, dogs are designed to be more efficient runners while cats have better ability at manipulating things with their paws. Thus a test that involved pulling strings or operating levers would tend to favor a cat, while a test involving moving from place to place, where speed is a measure of performance, would favor a dog.
In an article of Telegraph.co.uk published on 17 June 2009, there's a finding that shatter the myth that cats are smarter than dogs.
15 cats were tested by attaching food to the end of lengths of string and observing whether they could figure out that pulling the line brought the treats closer.
The cats had no problem with tackling single pieces of string. However, when faced with two options, experts discovered that unlike their canine counterparts, cats were unable to consistently pick a baited string over a dummy.
Psychology lecturer Britta Osthaus, of Canterbury Christ Church University, Kent, said that results show that cats do not understand cause-and-effect connections between objects.
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