Date: Mon, 23 Nov 2009 11:54:10 +1100 From: Andrew Reilly <areilly@bigpond.net.au> To: Saurav Bhasin <bhasinusc@gmail.com> Cc: freebsd-amd64@freebsd.org Subject: Re: AMD64 with only 3GB RAM work good? Message-ID: <20091123005410.GA45465@duncan.reilly.home> In-Reply-To: <28035a390911221311q67cc0eebx6daec0d6237809f2@mail.gmail.com> References: <28035a390911221311q67cc0eebx6daec0d6237809f2@mail.gmail.com>
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On Mon, Nov 23, 2009 at 02:41:00AM +0530, Saurav Bhasin wrote: > I need to install AMD64(64 bit) on my Lenovo Thinkpad Laptop which has > a RAM memory of only 3GB > > My other laptop specs are: > > Processor: Intel Core 2 I(Duo) processor T9500 - 2.60 Ghz. > RAM: 3GB RAM. > Nvidia GM150 Graphics. > > Would amd64 work well with a 3GB RAM ?. It will be fine with the 3G RAM: amd64 can handle much more memory than ia32, but it doesn't need significantly more: program size and data size are usually fairly comparable. Depends a bit on the density of pointers and linked structures. Code and non-pointer data is essentially the same size. What *won't* be totally fine is the Nvidia graphics card. Nvidia provide a closed-source driver only for ia32, and the open-source drivers work so well that I switched to ATI on my amd64 desktop system (and have been happy ever since.) > I need my laptop for Programming, scientific calculations and heavy > mathematical stuff. So lack of whizzy 3D accelleration is probably not a big deal: you might get by with the nv (open source) driver. Languages, compilers and numerical libraries all work very nicely in amd64. Cheers, -- Andrew
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