This tower is as tall as that one. This picture is as beautiful as that one. Maria is smarter than Guido. There are a number of ways to compare two or more things in English, and the same is true for Italian.
Equality
Comparisons of equality, in which two Italian nouns, Italian adjectives, or Italian adverbs have the same characteristics, use the word pairs cos
Equality
Comparisons of equality, in which two Italian nouns, Italian adjectives, or Italian adverbs have the same characteristics, use the word pairs cos