All three have a variety of features that lead to their appearance, functionality and maintenance characteristics. Depending on the balance that you wish to achieve between these three elements will lead to the answer to this question. Appearance: both granite and Cambria have highly polished surfaces which exhibit natural beauty.
A P P E A R A N C E: Both granite and Cambria have highly polished surfaces which exhibit natural beauty. Some marbles have highly polished surfaces while some have a more natural appearance. Granite and marble generally have a more unique look to each stone while Cambria has a more uniform appearance. Veining in some granite and marbles will make the seamed joints stand out more than the seamed joints of Cambria Granite and marble surfaces have naturally occurring pits and fissures which appeal to some consumers while these same characteristics are viewed as flaws by other consumers. Cambria surfaces are naturally smooth which will appeal to those consumers who view the pits and fissures of granite and marble as a flaw.
F U N C T I O N A L I T Y: Cambria has the highest degree of scratch stain and scorch resistance followed by granite and then marble. Due to its high calcium content, marble is particularly susceptible to etching from common kitchen items such as lemon juice, ketchup, vinegar, etc. and therefore we do not recommend its use in the kitchen. Cambria is the only surfacing material with the availability of Microban® anti microbial product protection that inhibits the growth of molds, mildews, etc.