Thunderbolt 3 & USB-C Cables: Not All Cables Created Equally

Have you found yourself wondering what the differences between Thunderbolt 3 and USB-C cables are? On the surface, they can appear to be identical. However, their capabilities are anything but.

The Rocket Yard has put together an infographic to help you size up Thunderbolt 3 and USB-C cables and make sense of their differences in performance and capabilities.

tb3-usbc_infographic_finalfinal

 

To pre-order the OWC Thunderbolt 3 Dock with 13 ports of connectivity, please visit: eshop.macsales.com/preorder/owc-thunderbolt-3-dock/. See our selection of Thunderbolt 3 cables at eshop.macsales.com/shop/cables/thunderbolt-3 And for USB-C cables, adapters, docks and more visit: eshop.macsales.com/search/usb-c.

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  • I’m pretty excited about the USB-C paradigm shift. It was one of my primary decisions in picking up the new MacBook Pro’s. It’s really allowed me to simplify charging most of by devices. I’m not entirely over to USB-C just yet, but close. My Google Pixel XL is USB-C, so that’s a huge plus. I have an iPhone, but I am flipping it over to wireless charging. So, USB-C + Wireless Charging, I can live with that everywhere. I’ve also been able to dock the MacBook Pro w/ the Mult-AV Adapter to my home monitor and office monitor. Life is much easier. I’ve written about a few of the monitors too on my latest blog post techieio.com/15-best-usb-c-accessories-for-macbook-pro/




  • Doesn’t TB3 also support PCIe expansion? Is that missing from this chart?




  • That Thunderbolt 3 Dock needs at least ONE Thunderbolt 2 port! Puleeeeeze!




  • DisplayPort is only checked off for the Thunderbolt 3 columns. However I’m pretty sure I’ve seen DisplayPort cables that use USB-C. Or does this chart display what protocols can be carried _simultaneously_ over a cable?




    • Yeah, part of the USB-C spec is DisplayPort, and 1.2 is implemented at this point, which is only good for 4K, (need next gen Intel CPUs for more).

      But, to drive the 5K LG display with one cable, that is actually using TB3 gen 2, as DisplayPort does not have enough throughput, would need to use two cables for other 5K monitors, so, I think this is a proprietary thing, which is partly why Apple worked with LG, so they could get that 5K monitor to work with one cable, and include speakers, cam & mic, and power to charge the battery in the MBP, along with extra TB3 ports on the monitor. (The LG 4K monitor has USB-C ports, not TB3).