1, contains the raw materials:

Caramel coffee: caramel candy dew + coffee + brown milk

Caramel macchiato: ?espresso + milk froth + caramel syrup drizzled on top

2, the difference between the taste:

Caramel coffee: inclined to the bitter taste of the predominantly coffee flavor.

Caramel macchiato: espresso-based, sweeter flavor.

Extended information:

Caramel MacchiatoThis is Starbucks's original drink, which is made by adding espresso and vanilla syrup to steamed milk and then covering it with a layer of uniquely styled caramelized milk, and then covered with a unique style of caramel, sweet flavor.

The Caramel Macchiato is a drink made by adding espresso and vanilla to steamed milk and topping it with pure caramel, blending three different flavors. Macchiato is Italian for "branding" and "imprinting" and Chinese for "macchiato". "Caramel" means caramelized sugar. Caramel macchiato, meaning "sweet mark".

Baidu Encyclopedia_Caramel Macchiato