Ceramic Vs Porcelain.. How to tell the difference? Knowing the key differences between ceramic and porcelain tiles is crucial when carrying out a tiling project as each type hold completely different characteristics. Ceramic tiles tend to be made from red, white or brown clay, and are lighter and more porous (can absorb up to 5% of their weight in water). They are also cheaper and easier to work with than porcelain. Porcelain is made up of predominantly white clay, and feldspar which is a natura