یک فیزیسیست

Computers

Desktop Computer

60-250 watts

On screen saver

60-250 watts
(no difference)

Sleep / standby

1 -6 watts

Laptop

15-45 watts

Monitors

Typical 17" CRT

~80 watts

19" LCD

17-31 watts

20-24" LCD

18-72 watts

Apple MS 17" CRT,
mostly white (blank IE window)

63 watts

Apple MS 17" CRT,
mostly black (black Windows desktop with just a few icons)

54 watts

Screen saver (any image on screen)

same as above
(no difference)

Sleeping monitor (dark screen)

0-15 watts

Monitor turned off at switch

0-10 watts

Apple iMac G5 w/built in 20" LCD screen

Doing nothing

97 watts

Monitor dimmed

84 watts

Monitor sleep

62 watts

Copying files

110 watts

Watching a DVD

110 watts

Opening a bunch of pictures

120 watts

Computer sleep

3.5 watts

MacBook Pro 2.5GHz Intel Core 2 Duo

Various apps open

30 watts

Playing H.264 video

35 watts

Importing a CD

38 watts

Playing video while importing CD

43 watts

Converting video

64 watts

EeePC 1000H netbook

Calculating chess, screen off

12 watts

Calculatingchess, screen on

17 watts