I had a sister comment which wasn't as thorough as yours so I deleted it. It's worth adding though that for mobile applications, power consumption isn't just a

I had a sister comment which wasn't as thorough as yours so I deleted it. It's worth adding though that for mobile applications, power consumption isn't just a cost factor, since better efficiency means you can have tighter packaging, get more battery life, not roast your lap as much, have quieter cooling, etc.