USB 4 2.0 can do 80Gbps.Thunderbolt 4 and HDMI. Thunderbolt can't do anything over a 60Hz refresh rate for 8k (30Gbps). HDMI 2.1 can carry 48Gbps so HDR and higher refresh rates at higher resolution.
Manufacturers won't standardise unless they are forced to (by us through our respective governments).