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Apple Computing Products:
macOS - Notebook Hardware
How much better 4GB RAM over 2Gb
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<blockquote data-quote="2Hit6" data-source="post: 598530" data-attributes="member: 43485"><p>In general, you will only go as fast as your slowest component. In many cases, that would be your HDD. If you want to see a significant improvement, get a 7200RPM HDD or better. </p><p></p><p>In regards to RAM: if you have 2GB right now and you're not maximizing it, getting 4GB will only give you the impression that you're going faster. RAM was created because loading and running everything from your HDD would be too slow. When you run your program, it gets loaded into RAM and it's mainly run from there. As you run more and more program, you use up more and more of that RAM, and when you switch from FF to iTunes or to Adobe, it's all there in RAM for your CPU to access. You will notice a slowdown if you're running too many programs and don't have adequate RAM because programs that aren't being used temporarily needs to get moved to your swap space (which is really just your HDD) so that when you need to access that program again it needs to retrieve from swap (your HDD) before it can run. </p><p></p><p>So if you have 2GB RAM and you're running enough programs that require 3GB of memory, then some of it sometimes will end up in your swap space cause you to slow down. In that case, if you had 4GB you won't have that happen. But if you have 2GB RAM and you're only utilizing 1.5GB of it, then whether you have 4GB or 100GB RAM it wouldn't make any difference BECAUSE YOU'RE NOT USING THE OTHER 2.5GB (or 98.5GB <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick out tongue :p" loading="lazy" data-shortname=":p" />)!!</p><p></p><p>I got 4GB of RAM in mine because I run a lot of apps (I'm using 2.5GB+ on a consistent basis when I'm doing my web design work -- Flash, Photoshop, Dreamweaver sometimes -- and running FF, Mail, iTunes, etc.)</p></blockquote><p></p>
[QUOTE="2Hit6, post: 598530, member: 43485"] In general, you will only go as fast as your slowest component. In many cases, that would be your HDD. If you want to see a significant improvement, get a 7200RPM HDD or better. In regards to RAM: if you have 2GB right now and you're not maximizing it, getting 4GB will only give you the impression that you're going faster. RAM was created because loading and running everything from your HDD would be too slow. When you run your program, it gets loaded into RAM and it's mainly run from there. As you run more and more program, you use up more and more of that RAM, and when you switch from FF to iTunes or to Adobe, it's all there in RAM for your CPU to access. You will notice a slowdown if you're running too many programs and don't have adequate RAM because programs that aren't being used temporarily needs to get moved to your swap space (which is really just your HDD) so that when you need to access that program again it needs to retrieve from swap (your HDD) before it can run. So if you have 2GB RAM and you're running enough programs that require 3GB of memory, then some of it sometimes will end up in your swap space cause you to slow down. In that case, if you had 4GB you won't have that happen. But if you have 2GB RAM and you're only utilizing 1.5GB of it, then whether you have 4GB or 100GB RAM it wouldn't make any difference BECAUSE YOU'RE NOT USING THE OTHER 2.5GB (or 98.5GB :P)!! I got 4GB of RAM in mine because I run a lot of apps (I'm using 2.5GB+ on a consistent basis when I'm doing my web design work -- Flash, Photoshop, Dreamweaver sometimes -- and running FF, Mail, iTunes, etc.) [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
How much better 4GB RAM over 2Gb
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