I geek out about power consumption on a lot of my computers, and this is a sparse collection of observations I've noticed about some of them.
Desktop (AMD FX-8350)
- Wattage (Idle): 120
- Wattage (Peak): ?
- Notes: Measurements done with a Kill-a-Watt. Wattage for Yamakasi Catleap Q270 Included
X1 Carbon (i5-3427U)
- Wattage (Idle): 7
- Wattage (Peak): 12
- Notes: Peak includes running two virtual machines and compiling some Haskell stuff. Idle is what I'm calling standard use with a web browser, IRC and a handful of terminals open.
Thinkpad T61p (T-9300 Core2Duo)
- Wattage (Idle): 22-24
- Wattage (Peak): 32
- Notes: This thing uses power like a desktop.
Eee PC 1000HAB (Intel Atom)
- Wattage (Idle): 7.3
- Wattage (Peak): 10
- Notes: Screen brightness is about half a watt in either direction. Battery is of a pretty good size, lasted about five hours.