Here is the study: http://download.microsoft.com/download/7/2/0/7204397B-DF32-4C97-A86C-C06F55000992/FhCSE%20-%20The%20Impact%20of%20Internet%20Browsers%20on%20

Here is the study: http://download.microsoft.com/download/7/2/0/7204397B-DF32-4C97-A86C-C06F55000992/FhCSE%20-%20The%20Impact%20of%20Internet%20Browsers%20on%20Computer%20Energy%20Consumption.pdf http://download.microsoft.com/download/7/2/0/7204397B-DF32-4... And admittedly it is in detail including sites used and test bed. The difference in power draw upon firing IE, Mozilla and Chrome is small, but it is there. In both, flash and bare bones tests. I do not know how big of a difference it will make on portable computers though.