From the second image the only difference I can really see is USB 0 has a 64 bit width compared to a 32 bit width on USB 1, assuming it is referring to bus width that would mean the USB 0 port can transfer more data at any given time through its bus
From the second image the only difference I can really see is USB 0 has a 64 bit width compared to a 32 bit width on USB 1, assuming it is referring to bus width that would mean the USB 0 port can transfer more data at any given time through its bus