Re:Thinkpad X210
by rayiner on Sunday March 17, 2019 @02:32PM
(#19415507)
At least my 2013 MacBook Pro would get 10 hours of battery life with the screen at medium brightness, WiFi on, and using Safari and Word (which is not a particularly light workload given how heavy the web is these days). Working in Emacs/SBCL would result in even longer battery life. Unless you’re rebuilding Chrome from source every few minutes, the compile-edit cycle is mostly typing into your editor with short bursts of activity in-between. Even more so for languages with lightweight compilers like Go and JS.
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> which is not a particularly light workload given how heavy the web is these days
I think a lot of this might be attributable to just how well power-optimised safari is. I could get 10 hours using safari when my macbook was new, but only 6 using chrome or firefox! Given that safari is speed-competitive with these browsers, it's very impressive.