USB-C >> 4 v2 >> 80 Gbps
USB-C >> 4 >> 40Gbps
USB-C >> 3.2 Gen 2x2 >> 20 Gbps
USB-C >> 3.2 Gen 2 >> 3.1 Gen 2 >> 10 Gbps
USB-C >> 3.2 Gen 1 >> 3.1 Gen 1 >> 3.0 >> 5 Gbps
USB-A >> 3.2 Gen 2 >> 3.1 Gen 2 (SuperSpeed 10) >> 10 Gbps
USB-A >> 3.2 Gen 1 >> 3.1 Gen 1 (SuperSpeed 5) >> 3.0 (SuperSpeed) >> 5 Gbps
USB-A >> 2.0 >> 480 Mbps
USB-C
80 Gbps = 4 v2
40 Gbps = 4
20 Gbps = 3.2 Gen 2x2
10 Gbps = 3.2 Gen 2 = 3.1 Gen 2
5 Gbps = 3.2 Gen 1 = 3.1 Gen 1 = 3.0
USB-A
10 Gbps = 3.2 Gen 2 = 3.1 Gen 2 (SuperSpeed 10)
5 Gbps = 3.2 Gen 1 = 3.1 Gen 1 (SuperSpeed 5) = 3.0 (SuperSpeed)
480 Mbps = 2.0
Seems like this should have been from the start or soon after various versions convoluted the technology.
Now only if other tech companies could follow suit (hint hint: Intel, AMD).