Well, looking at some bit of information about BlueStacks, it is compiled using IA-32, so it might not have been compiled for Ryzen's uArch just yet, or any AMD uArch at all.
Well, looking at some bit of information about BlueStacks, it is compiled using IA-32, so it might not have been compiled for Ryzen's uArch just yet, or any AMD uArch at all.