Wax hardness, pigment payout, sharpenability; these are things that concern the sketch-happy pencil geeks among you. Graphic designer, illustrator and art teacher Mark Campbell knows this.
Campbell has his students use Prismacolor Scholars, rather than the more expensive Prismacolor Premiers. Here he tests them out side-by-side, and drops more pencil knowledge than any of my professors ever did. (Ignore the click-baity title of the video, which I'll address in a minute.)