Granite is an igneous rock and quartzite is metamorphic so each has unique features. Granite is a favorite for kitchen applications and quartzite is just beginning to gain popularity and both offer excellent durability.
It is fond of saying that natural quartzite “looks like a marble and acts like a granite.” You’re really getting the best of both worlds with quartzite.
Before you make a choice, consider where your surface will be installed and how it will be used. Also consider the design of your space as the look of one may be better suited.