Results
Google say that one search should consume 0.0003 kWh.
With our model we got pretty much the same has shown below:
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We got 0.00015 kWh (0.15 Wh) for one single google search. There is a difference but keep in mind that the power consumption change depending on how test have been done (direct search from browser, or by google main page). This test is a direct search by browser search bar, so it is acceptable to find a little less than expected.
This article on cnrs fr states that sending an email could be as far as (60Wh during 25 minutes : 25Wh).
10 minutes on 480p youtube video gives 22Wh, which is an under estimation if we refer to the shift project (0.78 kWh for one hour : 130Wh for 10 minutes) but an over estimation if we refer to iea analyst George Kamiya (found 13Wh : "0.077 kWh of electricity per hour") ref here.
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10 minutes on 1080p youtube video gives 84Wh (shift project found between 40Wh and 200Wh).
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10 minutes on 480p dailymotion video gives 25Wh
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This chart show the amount of time spendt during a one minute navigation on each sites.
The higher bars are, the higher efficiency is, the lower electricity is consumed linked to your activity.