GUIs are a step over CLI's. What does Discord improve over Kopete by using 20x more resources except for the video resolution? Also, it should run far snappie

GUIs are a step over CLI's. What does Discord improve over Kopete by using 20x more resources except for the video resolution? Also, it should run far snappier if the improvement was just a video resolution improvement and a new codec often accelerated by the GPU such as h264. But it doesn't.