When it comes to USB-C vs. USB 3, here are the key differences: USB-C tells you the shape and hardware capabilities of the cable connector; USB 3 tells you the data transfer protocol and speeds of the cable. They work together to help you transfer information quickly.
USB C vs USB 3 vs Thunderbolt: A Comparison
Here's what else you need to know.
The easiest way to understand the differences between USB-C and USB 3 is that one describes the connector (USB-C) and the other describes the data transfer technology (USB 3).
USB-C is the latest generation of USB connectors that offer a reversible plug that you can insert into your device without having to insert it the wrong way. USB-C can also provide more power to devices.