In Reply to: Yes, there is now a USB 4 protocol standard posted by Feanor on December 9, 2023 at 04:50:18:
There's a long but interesting article linked below that goes into great detail but for the average user I don't think it matters much. Attention to the differences come into play when you're attaching multiple very high speed external devices to your laptop / computer including multiple displays.
Excerpt from the article linked below:
"A USB4 port can only support one display. Thunderbolt 4 can support two 4K displays.
The good thing about USB4 is that it will mean that manufacturers can release more powerful hubs and docks that are not Thunderbolt, at a cheaper cost.
However, since Thunderbolt products are certified, it means that they are of the highest standard. USB4 devices don't need to be certified and so eventually we will see many USB4 devices flooding the market with varying degrees of quality, as we see with USB-C hubs today.
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Who owns Thunderbolt? Intel or Apple?
Apple and Intel have collaborated on Thunderbolt technology since 2010, releasing its first Thunderbolt MacBook in 2011.
Apple even registered the trademark "Thunderbolt" although it passed this on to Intel, in return for "unrestricted use of the technology". But Intel is the official owner of the Thunderbolt technology.
Before this agreement, the technology was known by Intel as "Light Peak".
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Follow Ups
- Thunderbolt 4 vs Thunderbolt 3 vs USB4 - AbeCollins 10:34:51 12/09/23 (1)
- RE: Thunderbolt 4 vs Thunderbolt 3 vs USB4 - zacster 10:40:14 12/10/23 (0)