USB-C is not a new USB standard as USB 1.1, USB 2.1, USB 3.0(Referred to as USB 3.1 Gen 1) or latest USB 3.1(Referred to as USB 3.1 Gen 2). The biggest difference between USB-C and USB 3.1 can be summarized as \u201cThe USB-C is a physical connector while the USB 3.1 is a transfer standard.\u201d