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I guess it depends on what programs you use, how often and how large they are. I've noticed 7 seems to cache after you've opened then closed the program. With Vista, it would just start filling right up after you rebooted. I haven't seen 7 do that.Why do you say it doesn't cache as much, chris? In Win 7 right now I've got 0 MBs free of 12GBs, 2GBs used, 10GBs cached. I think Win 7 caches as much it just releases more if necessary..
I guess it depends on what programs you use, how often and how large they are. I've noticed 7 seems to cache after you've opened then closed the program. With Vista, it would just start filling right up after you rebooted. I haven't seen 7 do that.
Maybe I'm just not doing enough on the system for it to have to. I have 2.2GB available of 4GB and this system has been up for almost 5 days. Vista would take me right to 0 available withing a few minutes of booting. I guess it depends per user, per programs used.
What I do know is it's definitely a hell of a lot less aggressive with it's caching, and that's what I mean when I make my Vista/7 comparisons on the usefulness of memory. Like I said earlier, not all programs are launching instantly on my 7 system and they did with Vista so I know they're not being cached.
I had read an article awhile back that benchmarked Vista using 2, 4, 8, and 12gb of RAM.
There was an improvement from 2 to 4 everytime, but 4 to 8 or even 12 did not really make much of a difference and actually slowed things down a bit in a few cases as the RAM was not as fast as the 4gb (timings). They recommended only upgrading if you have programs that utilize it, no sense just for a "speed" factor.
I would think it would be the law of diminishing returns. As you go from 2 to 4, and then 4 to 8, etc, you'd see less and less of a difference.
more ram comes in handy when you are ripping DVDs but the application has to be large address aware.
You'll find most, if not just about all people telling you not to bother with it...as it won't speed up your PC at all. With Vista and W7....just leave it alone.Now this is something I do not recommend to everyone, but if you are dead set on running 8 Gb of memory this this is something you may want to look into!
But beyond that consider that there is a basic limitation of almost any 32-bit application in that it can't access more than 2GB of ram even on a 64-bit operating system. Unless you are running 64-bit apps it is very doubtful that any program you are running will take advantage of the extra ram.
32bit applications that have the Large Address Aware flag set can access up to 4GB of RAM on a 64bit system. If you only have 4GB of RAM total, than you're eating into its available address space with your other apps and the OS itself.
I would go with about 6GB to be safe.
This is not true. The OS and other apps don't "eat into" available address space; each process on a 32 bit addressable architecture sees 4GB of memory that can be addressed.32bit applications that have the Large Address Aware flag set can access up to 4GB of RAM on a 64bit system. If you only have 4GB of RAM total, than you're eating into its available address space with your other apps and the OS itself.
Wow... someone else that uses the same analogy! This always made perfect sense to me.RAM is like how big the desk is at your office. Having more (larger desk) doesn't speed you up , it just makes you more efficient (reduces potential bottlenecks) at working on multiple projects (think stacks of paper). If you have a tiny desk you spend more time shuffling papers and putting papers on the floor than getting real work done. Superfetch throws a wrench into the analogy a little but the concept is still sound.
I strongly agree with your assessment of 8 being 4 more than 4.The advantage of 8 from 4 is 4 more.
But, but...it's so cool to be able to say you have 12GB! I'm considering upgrading to 12 just for the 1337-ness that will come from being able to put it in my sig.
I have 12 GB of RAM
You're RIGHT, I does feel L337!!