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Electricity Use Information

Added by Chris Warren , last edited by Chris Warren on Feb 07, 2007  (view change)
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Here is some information about how much electricity various computers use (as gathered by the Luce Grant interns in the summer of 2006).

You might also be interested in the 2005 Jesup energy use spreadsheet that's attached.

Stats on Desktop Computer Electricity Usage
Make/Model max energy use (watts) on and idle standby off idle as % of max Reference
mac g4 338 113 10   33 % http://support.apple.com/specs/powermac/Power_Mac_G4_Digital_Audio.html; http://www.macalester.edu/its/faq/power_usage.html
mac g5 604 185 16 2 31 % http://docs.info.apple.com/article.html?artnum=32486; http://images.apple.com/environment/resources/pdf/apes_PMG5_2-22-06.pdf
mac mini 110 22 2 1.1 20 % http://www.apple.com/macmini/whatsinside.html
imac g4 15 180 46 2.3 1 26 % http://www.macalester.edu/its/faq/power_usage.html
imac g5 17 180 58 4 1 32 % http://shopper.cnet.com/4014-3118_9-31517973.html?pbrpt=4582&cip=1; http://lancej.blogspot.com/2006/03/pc-electricity-consumption.html
imac g5 20 180 60 4 1 33 % http://shopper.cnet.com/4014-3118_9-31556109.html?pbrpt=4582&cip=1
imac intel 17 180 55 4 1 31 % http://images.apple.com/environment/resources/pdf/apes_imac_2-27-06.pdf
dell optiplex gx260 84 35 3 2 42 % http://www.dell.com/downloads/global/corporate/environ/Opti_GX260SF.pdf
dell optiplex gx270 115 51 2.5 1.7 44 % http://www.dell.com/downloads/global/corporate/environ/Opti_GX270SFF.pdf
dell optiplex gx280 193.95 162.21 1.77 1.02 84 % http://www.dell.com/downloads/global/corporate/environ/Opti_GX280_DT.pdf
dell optiplex gx400 250       0 % http://support.dell.com/support/edocs/systems/opgx400/en/UG/ch4.htm
dell optiplex gx620 120.65 65.85 2.38 2.47 55 % http://www.dell.com/downloads/global/corporate/environ/Opti_GX620_SFF.pdf
dell precision 410 330       0 % http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=6884555741&category=42020
dell precision 450 184.02 120.82 4.51 3.95 66 % http://www.dell.com/downloads/global/corporate/environ/Prec_450.pdf
dell precision 470 340.76 274.22 3.72 2.78 80 % http://www.dell.com/downloads/global/corporate/environ/Prec_470.pdf
Averages 226 96 4.6 1.75 44 %  
      5 % 2 %    
Stats on Laptop Computer Electricity Usage
Make/Model max energy use (watts) on and idle standby off idle as % of max Reference
macbook pro 15 85 27 2.5 2 32 %  
powerbook g4 15 85 18 2 1 21 % http://www.macalester.edu/its/faq/power_usage.html; http://lancej.blogspot.com/2006/03/pc-electricity-consumption.html
compaq presario 2200 15 46.095 32.23 1.33 0.55 70 %  
dell latitude cp1 46.095 32.23 1.33 0.55 70 % average of other dell models (d400, d500, d505, d600, d620, d610)
dell latitude d400 45.85 24.17 1.63 0.34 53 % http://www.dell.com/downloads/global/corporate/environ/Lat_D400.pdf
dell latitude d600 14.1 57.37 34.63 2.48 0.9 60 % http://www.dell.com/downloads/global/corporate/environ/Lat_D600.pdf
dell latitude d620 42.34 29.21 0.22 0.23 69 % http://www.dell.com/downloads/global/corporate/environ/Lat_D620.pdf
hp 14 46.095 32.23 1.33 0.55 70 %  
hp 17 46.095 32.23 1.33 0.55 70 %  
ibm 14 46.095 32.23 1.33 0.55 70 %  
ibook g4 14 85 18     21 %  
Averages 57 28 1.5 0.7 55 %  
      5 % 3 %    
Laptop Compared to Desktop Electricity Usage
  max energy use on and idle standby off
Compare laptop vs. desktop 25 % 30 % 33 % 41 %
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