Is this a comparison or a contrast? "i love to hear her speak, yet well i know that music hath a far more pleasing sound." william shakespeare comparison contrast

Contrast, when he uses the wordes "yet" he is now contrasting the sound of her voice.

In 2081, everyone is equal not only in the eyes of the law but in every way; nobody is smarter, more athletic, better looking, etc. than anyone else. hazel is of average intelligence, which means she can't think about anything except in short bursts, and george has an intelligence way above normal.