if you'd ever played an e-sports game at even a middling level of competency, you'd know about the AM-DIP.
competitive players shoot for a stable 240, 360, or even 500 FPS in the 1% and .1% lows, depending on the game.
but if you only play single player titles at 4K 60-120 FPS, and don't mind...
only basement-living bench boys who run cinebench and blender all day will draw 400 watts from the CPU. enthusiasts who buy this are doing it for gaming, where power draw is almost always going to be ~150 watts or lower.