VNC doesn't send all pixels of every frame. If you look at the RFC for the frame buffer protocol it uses, it concerns itself with areas of the screen. https:/

VNC doesn't send all pixels of every frame. If you look at the RFC for the frame buffer protocol it uses, it concerns itself with areas of the screen. https://www.rfc-editor.org/rfc/rfc6143.html https://www.rfc-editor.org/rfc/rfc6143.html I've only seen very good performance using the built-in VNC client/server for macOS. You can try it out by turning on remote sharing and doing this from the terminal: `open vnc://<host>:5900`