Attack surface comparison really. If the only thing exposed is ssh, or your vpn, which do you trust to have fewer vulnerabilities in the exposed authentication system?
Probably a toss up.
Now if you’re talking about exposing multiple ssh endpoints vs a single vpn endpoint, that equation changes.
But a single relatively secure endpoint……difference is pretty negligible.
I don’t think AMD has EVER really gone the GHz route……they’ve gone the “larger caches” route since forever, but Intel has historically been the “clock speed wins” group.