Date: Wed, 28 Sep 2016 09:24:35 +0200 From: Ralf Mardorf <ralf.mardorf@rocketmail.com> To: freebsd-questions@freebsd.org Subject: Re: i386 version in future ? Message-ID: <20160928092435.40d1da6f@moonstudio> In-Reply-To: <20160928091109.7aa95c9d@moonstudio> References: <CANrxokEkYLY7uTv%2BnWy4K_iBeeaaCMraJmrNOD7cU2GXCWkNCA@mail.gmail.com> <0D6BF663-5C95-4625-B412-00E14EF97986@FreeBSD.org> <35.AF.06698.BEF4AE75@dnvrco-oedge03> <20160927134158.74c11036@archlinux.localdomain> <CAOgwaMuMfF7_zve%2BAMuJ8iiAD4wMXGUQDO4-j8Ck1B1FZ=NOXA@mail.gmail.com> <20160928091109.7aa95c9d@moonstudio>
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On Wed, 28 Sep 2016 09:11:09 +0200, Ralf Mardorf wrote: >On Tue, 27 Sep 2016 08:33:34 -0700, Mehmet Erol Sanliturk wrote: >>- 64 bit CPU will consume more power than only 32 bit CPU . > >Hi, > >I seriously doubt that this is true. More likely a dual-core 64 bit >does consume around half of what a 32 bit single core consumes. This at >least is true for my old 32 bit Athlon and my currently used 64 bit >dual core Athlon. Those 64 bit CPUs don't get nearly as hot as the old >32 bit CPUs do. That the newer 64 bit CPUs provide frequency scaling >OTOH doesn't make such a big difference regarding power consumption. > >Regards, >Ralf Correction, regarding a list with Athlon CPUs the old 32 bit CPU seems only to consume a few Watt more, than the new 64 bit dual-core. IOW the power consumption more or less is equal, OTOH the 32-bit CPU needs much more time to do the same, the newer 64 bit CPU could do.
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