Path: csiph.com!weretis.net!feeder9.news.weretis.net!news.nk.ca!rocksolid2!i2pn2.org!.POSTED!not-for-mail From: D Newsgroups: comp.os.linux.misc Subject: Re: News : ARM Trying to Buy AmperComputing Date: Fri, 17 Jan 2025 10:48:12 +0100 Organization: i2pn2 (i2pn.org) Message-ID: <2a578ec2-736b-3a80-e7f0-fd685e655530@example.net> References: <_hycnQxlN5kAphr6nZ2dnZfqn_SdnZ2d@earthlink.com> <36bf96a5-527c-1d8b-a93b-6788cdd589a2@example.net> <1PKcna3Yf6vdFhX6nZ2dnZfqnPidnZ2d@earthlink.com> <7b19252d-bfe8-9d48-0cd2-eb33e4a64179@example.net> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Injection-Info: i2pn2.org; logging-data="3998135"; mail-complaints-to="usenet@i2pn2.org"; posting-account="w/4CleFT0XZ6XfSuRJzIySLIA6ECskkHxKUAYDZM66M"; In-Reply-To: X-Spam-Checker-Version: SpamAssassin 4.0.0 Xref: csiph.com comp.os.linux.misc:64511 On Fri, 17 Jan 2025, 186282@ud0s4.net wrote: > On 1/16/25 11:12 AM, D wrote: >> >> >> On Thu, 16 Jan 2025, The Natural Philosopher wrote: >> >>> On 16/01/2025 10:58, D wrote: >>>> This is the truth! I've seen it in a few laptops. But I don't know if >>>> they are energy efficient enough to make a huge difference. I get about >>>> 14 hours or so from my 1.5 year old laptop. If arm would bump that to 25 >>>> I'd seriously consider one! But last time I had a look, 1.5 years ago, >>>> the battery time on arm laptops was far from impressive. >>> >>> There is some limit in terms of how much charge needs to get moved around >>> how many transistors of at least a given size that relates ultimate MIPS >>> per watt to a figure independent of architecture. >>> >>> The original ARM used very few transistors and an extremely well optimised >>> instruction set to get the performance that it did at such low power. >>> >>> Arguably it is now in the same ballpark as a late model INTEL *86 or even >>> RISC chip. >> >> This would correspond well with what I see in the market. It's a shame. I'd >> like to see a cpu focused on low power consumption since laptops don't need >> all the power they have today for regular day to day use. I'd much rather >> have a slow laptop that lasts me 30-40 hours, than a monster that runs out >> of power after 8 hours. > > Having a choice, I bought an HP laptop with a lower-end i3 > rather than going for 'power'. It DOES last a lot longer on > batteries and doesn't run nearly as hot. Good enough for > anything I'm doing right now. > > In any case, laptops, seems MOST of the power goes to > the DISPLAY. Be it LEDs or LED-backlit LCDs, the juice > required is about the same. E-paper is too slow. > This is the truth! Wifi I shut off also, if I'm travelling. That also gives an extra boost to battery life.