One might think that the only difference is the packaging in which it's sold. However, there's more information that you should know.

The retail brand is open to members ... you can buy a whole wheel of Parmigiano Reggiano cheese. The block of cheese weighs 72 lbs., and is imported from Italy for $950. Costco's inventory ...

"I could eat a whole block of this,” said Kendra ... facilities and a more in-depth explanation of the cheese-making process. Furthermore, brands like Kraft, Nestle, and others are massive ...