Both Lifehacker and Gizmodo yesterday posted the same post from anandtech.com. Surprise ? Yet apparently IE 8 came up top in the battery life test they have hold. Few things need to point it out, the test was done on 2 different laptops and 1 netbook with AMD, and Intel CPUs. (Atom for Netbook)
we set the laptop on the Vista "Power Saver" profile instead of "Balanced", with the hard drive set to power down after 3 minutes and the maximum CPU performance set at 50%. This improves battery life on all laptops, sometimes by a significant amount.
Here is the list of the browsers they have tested (Firefox with Adblock which should increase the battery life for Firefox as well)
Apple Safari (version 4.0.3), Google Chrome (version 126.96.36.199), Mozilla Firefox (version 3.5.2), Microsoft Internet Explorer (version 8.0.6001.18813), and Opera (versions 9.6.4 and 10 Beta 3)
Notice the test was in Vista and Power Saver Mode, not done in Windows 7, which I suspect IE 8 will have even longer battery life with the new Windows 7 power management. Anyways in both laptop tests IE 8 came in top of the result by as much as 33 %, compare to the worst browser Sarfari 4.
This Gateway NV58 is running Intel Core 2 Duo T6500
This Gateway NV52 is running AMD Athlon 64 X2 QL-64
ASUS Eee PC 1005HA Intel Atom N270 (notice this netbook is running XP not Vista as the previous 2 laptop)
Looks like IE 8 isn’t so bad if you really want to extend the battery life of your laptop by just that much.
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