Diff between PCI Express

Towering genius disdains a beaten path. It seeks regions hitherto unexplored.

——Lincoln

Difference between PCIe 3.0 4.0 x1 x2 x4 x8 x16 …

Tables

PCIe Symbolrate pro Lane PCIe x1 PCIe x4 PCIe x8 PCIe x16
3.0/3.1 8 GT/s 0,985 GByte/s 3,938 GByte/s 7,877 GByte/s 15,754 GByte/s
4.0 16 GT/s 1,969 GByte/s 7,877 GByte/s 15,754 GByte/s 31,508 GByte/s
5.0 32 GT/s 3,938 GByte/s 15,754 GByte/s 31,508 GByte/s 63,015 GByte/s

Reference

  1. PCIe 4.0 and PCIe 3.0 – Difference between x8 and x16 with the fastest cards – Where does the bottleneck begin?