Intel officially announced the Thunderbolt 4 protocol. But it is not going to make the protocol any faster than Thunderbolt 3. Then why Intel bother releasing naming and releasing a new protocol. Well, it is true that Thunderbolt 4 will not provide faster data speed than Thunderbolt 3’s 40GBPS but it comes with enhancement. 

Intel calls Thunderbolt 4, the “most complete version of USB-C”. It does share many similarities with the upcoming USB-4 because both based on the same base protocol. Even Intel is promising interoperability between USB-4 and Thunderbolt 4. 

Thunderbolt also changes the minimum video and data requirements. Thunderbolt 4 PCs will be able to connect to at least two 4K displays or one 8K display whereas Thunderbolt 3 is capable of only one 4K display at 60Hz. Additionally, the new connection supports PCIe data speeds up to 32 Gb/s which makes it twice faster than the Thunderbolt 3. Intel also said at least one port will provide 100W power for laptop charging. 

Intel says Thunderbolt 4 will first be supported by its upcoming Tiger Lake mobile processors, slated to launch later this year. Intel says manufacturers will be able to order Thunderbolt 4 controllers later this year. This means we will see Thunderbolt 4-powered PCs start shipping either towards the end of the year or early next year.

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