You mean "Firewire"?
1394 = Firwire
Generally you will not notice anything. If you use USB2 and the fireire in the way they were designed to be used you will see higer data transfers.
For example a hard disk (usb2) a digital camcorder (firewire)
Galaxy Note 8 vs iPhone X
Awful clip art from 1994 is being tweeted every hour by a bot
iPhone X vs Samsung Galaxy Note 8
Les meilleurs navigateurs internet 2017