Re: Laptop battery life with 64 bit
On Mon, Dec 17, 2012 at 11:55:08PM -0700, Bob Proulx wrote:
> Jochen Spieker wrote:
> > Daniel Dalton wrote:
> > > My question: does 64 bit debian use more battery power than 32 bit?
> >
> > Short answer: no. The relevant difference is probably Debian vs. Ubuntu
> > here.
>
> Agreed. The difference is probably the linux kernel version. Ubuntu
> 12.10 "Quantal Quetzal" has a Linux 3.5 kernel. Debian "Wheezy"
> Testing has a Linux 3.2 kernel. Wheezy has been in freeze for many
> months and that was the best version to support for several years of
> security upgrades. Ubuntu also used Linux 3.2 in their latest LTS
> (long term support) release too.
Sure, very good point.
But should the knew kernel really improve battery life by apparently 5-6 hours (according to powertop)
>
> I expect that linux kernel version difference between 3.5 and 3.2 and
> device driver differences would make more difference than 32-bit
Wouldn't device drivers be more or less the same on ubuntu and debian?
Thanks for your help.
Dan
Reply to: