Yes, sounds like coil whine to me as well, at least in the second video. There were a few complaints when the fury x released about this, AMD said they've fixed it. Sometimes GPUs express this sound when rendering at high FPS, you can check with FRAPS or steam/uplay fps overlay and see if the noise appears when your FPS is above 100. Don't know if you can leave with it though, that's on you. I had a 290 making that noise when I was moving the mouse >insta return .