what is faster usb or ethernet
USB 2.0 is rated at 480Mbps. For quick reference, 1000Mbps equals 1Gbps. The USB 3.0 connection type is the next step for USB (from 2.0). USB 3.0 transfer speeds are figured to be 10x faster than previous USB 2.0 speeds.
The other adapter can be used in any socket in your home. Run an Ethernet cord from the second adapter to a PC and you have a powerline network. Powerline networks are an often overlooked option that can help keep Ethernet relevant in your home. Modern adapters offer effective transfer speeds of up to 500 MB/s while maintaining the reliability of Ethernet.