I use mullvad with wireguard and it keeps up with my gigabit connection reasonably well.
I recently joined NordVPN and at first the speeds were impressive over their own NordLynx protocol. Soon enough the speeds dropped by over 50% and connection started to lag. Contacted Nord support and was advised to try IKEv2 protocol. Speeds and response times are great again. Give IKEv2 a try.
The only ones i see is Nordlynx and openVPN on the protocols for some reason, but as I said above, it is working fine now, apart from a couple of sites saying I am not in the U.K, even if I am using a UK server, which is strange, but that was on the mobile this morning, not on the computer.
speedwise, even if I change to another country it seems ok,. Sure not as nippy as if it was in this country, but to be honest, I am still amazed even after all these years on the net, how fast the data can get from say the USA and back to me again, it is crazy, We can do this sort of thing in the world, just think what amazing things we could do if the whole world worked together instead of trying to blow each other up
Adrian
Desktop machine Ryzen powered with windows something or other.
Plusnet FTTC