An issue with the programming is NOT an issue with the client PC; it’s an issue with the client itself and that’s exactly what’s being discussed here. We have already proven that it isn’t an issue with having enough resources (which would be the “specs on the client PC part”.
And, at the point we’ve gotten here, the root cause of this issue isn’t a matter of opinion or guesswork anymore. We’re working with empirical data, and optimizing some network parameters (such as TcpAckDelay) does improve framerate drastically (we’ve seen up to 400% increases in certain circumstances).