Wireguard's lower-level than the solutions that were benchmarked - in fact, Netmaker and Tailscale themselves use Wireguard as their backing technology.
But even with them both using Wireguard, there are choices involved that affect performance, for instance whether to use the Wireguard kernel model or userspace implementation, how to configure routing, packet filtering, firewalls, etc.
But even with them both using Wireguard, there are choices involved that affect performance, for instance whether to use the Wireguard kernel model or userspace implementation, how to configure routing, packet filtering, firewalls, etc.