Back in August 2021, more than two years ago, Intel itself inadvertently leaked the details of Thunderbolt 5, giving us the first details about it. At the time, the company showed off its 80GPHY technology, which suggested the tech giant was looking to double Thunderbolt 5's throughput over current Thunderbolt 4, from 40Gbps to 80Gbps.
Now more news is coming, and according to VideoCardz, the latest leaked information shows that Intel's Thunderbolt 5 will apparently take it to the next level. The upcoming technology will provide up to 120Gbps of bandwidth through the "bandwidth boost" feature. This is a huge increase compared to the 40Gbps of Thunderbolt3 and Thunderbolt4.
The following leaked presentation slide shows Intel's vision for the "bandwidth boost" feature:
The bidirectional throughput of Thunderbolt5 will reach 80Gbps, and the bandwidth enhancement technology will limit the unidirectional throughput of a single channel to 40Gbps, so that the remaining three channels will provide 120Gbps speeds.
Other features brought by Thunderbolt5 include 240W charging for laptops. So, for many of these devices, the time has finally come to say goodbye to dedicated chargers. The PCIe bandwidth has also been increased to 64Gbps, which means that users will not encounter too big a bottleneck when connecting powerful graphics cards through the eGPU (external GPU) base.
The image below shows Thunderbolt5 compatibility:
Finally, the following two images summarize Thunderbolt5’s features and specifications:
This technology works with USB320G and the new USB4 version 2 (USB80G).
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