On 12/23/2011 05:13 AM, Robert P. J. Day wrote:
On Fri, 23 Dec 2011, linux guy wrote:

I'm specing a new laptop, probably a Dell XPS 17, with an i7
processor.  It will have an SSD and be driving 2 monitors.

The XPS 17s come in two varieties, one with 2 DIMM slots and the other
with 4 DIMM slots.

- I do a ton of browsing for research purposes and may have as many as
20 Firefox sessions open at one time.

And I will have a dozen taps open in many of them.

- I use Thunderbird with mail accounts with more than 100K messages in them.

I have 4 copies of Thunderbird running.

- I do some software development in Eclipse with gcc.  Compile times
can be lengthy on some projects.
- I use Digikam to manage and edit all my Nikon D7000 images, which
are shot in raw
- I want to get into editing D7000 video files
- I want to get into 3D CAD.

None of this for me.


How much RAM do I reasonably require ?  Is it worth paying more for 4
DIMM sockets over 2 ?

I went with 4Gb ram. I am currently @ 3.1Gb used and 800Mb swap (I allocate 2x swap over memory). So 8Bg could work for you.

   not sure this will help but i went through the same grappling when
spec'ing out a new ASUS monster laptop.  in the end, i learned that
the model advertised as coming with 12G RAM simply had 3/4 slots
filled, and just buying a separate compatible 4G stick to fill it out
to 16G cost all of $29 extra.  problem solved.

   more RAM is generally better, but don't feel you have to pay for it
as part of the advertised model.
The place I bought my Lenovo from (B&H photo) provided a good brand SIMM at 1/5 the price of Lenovo memory. And I took the install myself option and saved a bit more.


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