The webcam Logitech C920 is one of the last webcam of Logitech that are still encoding internally the h264 streaming, so why encode the video again if then we will stream it with the same size ? Herein some way it says even the opposite, that the C920 has more issues of the average, that is not so much clear to me: https://obsproject.com/wiki/General-Performance-and-Encoding-Issues