I have a 2Gb Pi 4B which I run headless and it has a collection of
little Python scripts and such which gather data. It also runs
syncthing so the data gets copied to my desktop machine (and others).
When idle (or doing not much) it consumes just 316mA which, according
to my sums is just over 1.5 watts. That's a whole lot less than the
seemingly always quote value of 2.7 watts.
This does have some significance for me as I'm considering upgrading
the Pi B+ that runs all the time on my little boat in France using
the batteries on the boat. The batteries are kept charged by solar
panels, during the winter there's not much power to spare.
One of the many sites that shows 2.7 watts for an idle 4B is this one:-
https://www.pidramble.com/wiki/benchmarks/power-consumption
But the figure seems to be that same just about everywhere. I suspect
this may be the 'idle' figure when running a GUI, mouse, keyboard,
etc.
--
Chris Green
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