Thunderbolt 1, 2, & 3

[cohen777]

Come someone explain, in plain English, if Thunderbolt 3 is faster than Thunderbolt 2? I keep seeing explanations about Thunderbolt talking about channels rather than raw speed.

Thanks!

 

[William_si]

TB1 == PCIe 1.1 @ 2,5Gbit/lane (x4)
TB2 == PCIe 2.0 @ 5Gbit/lane (x4)
TB3 == PCIe 3.0 @ ~8Gbit/lane (x4)

 

[AidenShaw]

TB1 == PCIe 1.1 @ 2,5Gbit/lane (x4)
TB2 == PCIe 2.0 @ 5Gbit/lane (x4)
TB3 == PCIe 3.0 @ ~8Gbit/lane (x4)

TB1 == PCIe 1.1 @ 2,5Gbit/lane (x4) - 2 Gbit/sec usable per lane, 8 GBit/sec total
TB2 == PCIe 2.0 @ 5Gbit/lane (x4) - 4 Gbit/sec usable per lane, 16 GBit/sec total
TB3 == PCIe 3.0 @ 8Gbit/lane (x4) - ~7.9 Gbit/sec usable per lane, 31.5 GBit/sec total

https://en.wikipedia.org/wiki/PCI_Express#PCI_Express_3.0