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Consider installing 2 x 8Gb RAM cards in your 64-bit laptop.

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IainB:
In the last week or so Kingston RAM has been on sale on Amazon - I picked up 16GB 1866MHz DDR3 for ~AU$25 less than local suppliers.
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-4wd (March 02, 2016, 05:23 PM)
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That's in Australia - "The Lucky Country".
In NZ, it's a bit different. On Amazon.com, a general rule seems to be:

Rule: that most of the suppliers of stuff that I might want to buy seem to be unable to ship to NZ at all, or, if they do ship there, then the shipping is likely to be prohibitively expensive (e.g., sometimes costing nearly as much or more than the product you wanted to buy).

So, more often than not, I tend to end up not buying.    :(

For that spec of RAM cards, I did some comparative pricing  on Amazon.com first, and observed that the above rule seemed to be operating, before deciding to buy that spec from a local NZ supplier, and it helped that they were in the same city, about 20 minutes drive away, and that I had done business with them in the past and found them good to deal with.

The exception to the above rule seems to be where Amazon themselves are selling something via their Amazon International Sales arm.
For example, in 2012 I had been looking around for a Kindle as a birthday present for my daughter, and the Kindle 4 was available locally in NZ at a reasonable discount (on the usual NZ price) from a retail store chain called Dick Smiths, but it was even cheaper on Amazon.com at US$109 via Amazon International Sales, and they only charged about US$12 for slow shipping to NZ, bringing the net total to US$121. This made it cheaper than the locally-available product by about US$13 (NZ$20) - so I bought it from Amazon on that basis. This sort of thing would be the exception, as I say.

f0dder:
If you do not already have them, you can purchase 2 x 8Gb RAM cards to go into those slots, replacing any smaller RAM cards. This potentially WILL make a difference to the speed/responsiveness of ALL memory-intensive operations - e.g., huge Excel spreadsheets, or when opening up several InfoSelect8 .WD2 databases simultaneously. The laptop will take it all in its stride, instead of pausing/choking on trying to manage and operate on too much data with too little RAM.-IainB (March 01, 2016, 10:22 PM)
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Gotta emphasize potentially - you either need (memory heavy) 64bit programs, running a lot of 32bit programs or stuff that can take advantage of a lot of filesystem cache. If you have a 8gig system that doesn't currently hit the pagefile often, there's a good chance that upgrading to 16gig won't give any noticable speedup (but will cause hibernation to be somewhat slower, especially on non-SSD systems).

There's also the single- vs dual-channel memory speed thing, but you should read up on that rather than blindly assuming it'll be a speedup for you (if you have a discrete GPU or don't run a lot of graphics-focused stuff, the increased memory bandwidth might not matter all that much).

IainB:
@f0dder: Yes, I did use the word potentially for that reason - it was a potential.

What I have found:

* Firefox: this seems to typically use between 1.6 to 2Gb RAM - so (say) up to ¼ of my previous 8Gb RAM configuration - and that was probably frequently swapping out to the pagefile. Now that I have 16Gb, I have set the FF cache entirely to RAM, and FF now seems to behave better/more responsively - e.g., especially when bringing up Zotero in a tab, or opening the Scrapbook side-panel (containing thousands of items).
* SIMS3: My daughter plays this, and the game would frequently stutter and/or crash when saving a game. Since a lot of her game-playing is actually designing houses and landscaping them (she's very artistic, and who knows but she might be heading towards being an architect, landscape gardener, or something), a crash would lose a lot of design effort, so she stopped playing SIMS3 as it was too dispiriting. After upgrading her laptop (a refurbished Samsung Series 3 Quad Core) to 16Gb, she says the game is playable now - though interestingly is still not as responsive as it was on her previous laptop - which had an an Intel i5 CPU, under Win7-64 with 8Gb RAM.
* Fallout3: Seems to play more smoothly now, even when I have other applications running in the background. However, that is kinda academic because switching from Fallout3 to one of those applications is seriously hit-or-miss where there is every likelihood that Fallout3 will crash and the only way to get back to Windows then seems to be to press Ctrl-Alt-Delete and force a user logoff (otherwise a reboot is necessary). It's very messy.
* Large databases/spreadsheets: Generally better. I sometimes have some very large loads on RAM. For example, opening up all my OneNote Notebooks or InfoSelect databases at the same time, or manipulating large Excel spreadsheets (tables and pivot tables). Previously, these could have been impacted adversely by other applications competing for scarce RAM, and become sluggish - now not so much.
Because I never use Hibernate, I hadn't though until you mentioned it that a Hibernate operation might be slower when both hibernating and restoring, but I would say that would have to be right - i.e., estimating that a 16Gb core dump would take approx 2 times longer to read/write than an 8Gb core dump).

An interesting point is that, according to this: Memory Limits for Windows and Windows Server Releases (Windows) - computers with current 64-bit Windows OS technology could theoretically use up to a maximum of 128 GB, with addressability up to 16TB, or something.
You'd have a room full of RAM chips with a little computer buried in one corner of the room.   ;)

Reminds me of Marvin the paranoid android (HHGTTG) where I think he said something like: "Here am I, brain the size of a planet, and 'Get me a cup of tea' he says".

Edvard:
Reminds me of Marvin the paranoid android (HHGTTG)
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-IainB (March 13, 2016, 07:37 PM)
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From the HitchHiker's Guide to the Galaxy:
Here I am, brain the size of a planet, and they ask me to take you to the bridge. Call that job satisfaction? 'Cause I don't
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From the '80s television adaptation, Episode# 1.5:
"Reverse primary thrust, Marvin." That's what they say to me. "Open airlock number 3, Marvin." "Marvin, can you pick up that piece of paper?" Here I am, brain the size of a planet, and they ask me to pick up a piece of paper.
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 :Thmbsup:.

Though I never understood why they called him the "paranoid" android.  He never seemed to be paranoid about anything, just terribly, terribly depressed.

IainB:
@Edvard: Yes, not paranoid anyway.
"Terribly depressed" - yep. I could empathise with that, at least.

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