The document compares the specifications of the PS4, Xbox One, and Wii U consoles. The PS4 has the most powerful graphics processor with 1152 shades, compared to 768 shades for the Xbox One and 320 shades for the Wii U. The PS4 and Xbox One have 8GB of RAM, while the Wii U has only 1.5GB. All three consoles use HDMI for video output and stereo sound, but the PS4 has an edge in graphics processing power.