Path: csiph.com!feeder.erje.net!2.us.feeder.erje.net!newsfeed.fsmpi.rwth-aachen.de!newsfeed.straub-nv.de!news-1.dfn.de!news.dfn.de!news.informatik.hu-berlin.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Jolly Roger Newsgroups: comp.sys.mac.system Subject: Re: New Mac Keyboard with Touchbar? Date: 2 Nov 2016 16:07:46 GMT Lines: 32 Message-ID: References: <1mvvjae.gd6s9g18ejs0oN%nmassello@yahoo.com> <6IadnYkzx_ArWonFnZ2dnUU7-T-dnZ2d@giganews.com> <1mvw3gm.u7l0d31pdg2rjN%nmassello@yahoo.com> <301020161159405514%star@sky.net> <7ICdnfHlzNnBv4vFnZ2dnUU7-INQAAAA@giganews.com> <5L6dndmlf7af8YvFnZ2dnUU7-N3NnZ2d@giganews.com> <011120161726126914%nospam@nospam.invalid> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Trace: individual.net z/VWnil1rVaRGa1QfYGvCAsbOabNyWSbwakw2PW16AROmXxwXZ Cancel-Lock: sha1:AS7haSDsKWJpclri4Mr7F3PCmRw= sha1:LSMmI6OzrgzDdVLv5C/vVN+nFi0= User-Agent: NewsTap/5.2.1 (iPhone/iPod Touch) Xref: csiph.com comp.sys.mac.system:96345 Alan Browne wrote: > On 2016-11-01 17:26, nospam wrote: >> In article , Alan Browne >> wrote: >> >>> Doubling the RAM doubles the power the RAM takes - not the power the >>> system takes. 20 - 30% more battery is probably far more than enough. >> >> doubling the memory requires using desktop ram chips (because skylake >> does not support low power chips), which means there is a big increase >> in power draw even while staying at 16 gig, plus an thermal impact on >> top of that. >> >> it's much more than just making the battery a little bigger, all for >> something a very small minority of users want. > > If you do an iStat menus dropdown of the power draws (on a desktop), you > can see that the power required for RAM v. the rest of the system is > quite low as a proportion to the whole. So increasing the RAM will not > have much impact on the overall size of the battery - nor thermal load. > I'm looking at the numbers on a desktop (not all that efficient memory > in power terms). Something tells me hardware designers don't use iStat menus to design hardware systems. It's funny how random people on the net automatically think they are better qualified than actual experts. -- E-mail sent to this address may be devoured by my ravenous SPAM filter. I often ignore posts from Google. Use a real news client instead. JR