My hazy understanding from previous conversations was the performance advantages claimed is basically how things were "out of the box" for comparison, for certain situations. However I've seen people claim the differences quickly close when someone that knows what they are doing optimizes a setup. Additionally other situations are much more similar.
While it's a good idea to be skeptical of a company tooting it's own horn, there does (or has) seemed to be a consistent performance advantage that is beneficial to those who aren't paid for or like being a network admin beyond setting a proper MTU: https://techoverflow.net/2022/08/19/iperf-benchmark-of-zerot...
The numbers Netmaker posted likely come from: https://medium.com/netmaker/battle-of-the-vpns-which-one-is-...
Note that a spreadsheet with raw data and command used (which is all `iperf3 -c <IP>`) is here: https://docs.google.com/spreadsheets/d/1Qy27zEERSqisdV1u-YUc...
While it's a good idea to be skeptical of a company tooting it's own horn, there does (or has) seemed to be a consistent performance advantage that is beneficial to those who aren't paid for or like being a network admin beyond setting a proper MTU: https://techoverflow.net/2022/08/19/iperf-benchmark-of-zerot...
However in light of https://tailscale.com/blog/more-throughput/ (thanks to FabHK for bringing this to my attention) testing should probably be redone.