You're right for CPUs at 100% utilization. For CPUs at idle, able to turn off power to accessories, power consumption has gone down dramatically over the last

You're right for CPUs at 100% utilization. For CPUs at idle, able to turn off power to accessories, power consumption has gone down dramatically over the last decade. True, the curve has been flattening over the last 5 years, but it's still noticeable.