Arguably PCIe lanes the thunderbolt exposes are a differentiating factor, not the maxed-out specs that "plain" usb-c cables can have. Although to be fair, I've

Arguably PCIe lanes the thunderbolt exposes are a differentiating factor, not the maxed-out specs that "plain" usb-c cables can have. Although to be fair, I've never used the PCIe lanes on thunderbolt ports.