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PostPosted: 20.12.2010 08:46 
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Junior Modder
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Joined: 12.12.2010 08:16
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Does having a dedicated graphics card really matter if you have 4gb RAM? hi, im looking at a few notebooks to buy, but in a few there is a difference of about $200..one has 256 mb graphics card other has 512 mb...but both have 4gb..lets say if i ran gta 4 on the 256 mb one..wouldnt it run fine? since my RAM is alot?
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Last edited by bowfiya on 25.12.2010 09:06, edited 1 time in total.

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PostPosted: 20.12.2010 17:42 
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Joined: 24.01.2002 10:09
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I haven't followed the graphics card technology on laptops for a while but in general there are two techniques that deal with GFX memory. In some cases there are no dedicated graphics memory on the display adapter. The memory is "loaned" from the computer's RAM. This eats up the memory capacity of the computer and it is rather slow to use RAM from totally different location than the GFX unit itself.

And then there are these cards with dedicated graphics RAM. From these two techniques this is the faster option. Here too, like with a computer setup, more is better. Games use high-resolution textures and it pays off if you can keep more textures preloaded in memory rather than loading them again and again when needed. The hard part is to say what is the optimum amount of graphics memory though. Desktop graphics cards tend to have around one or two gigabytes of dedicated graphics memory. They run games with higher resolution etc. than laptop so they really need that memory.

So, it all depends on your use. If you just use Microsoft Word you'll be happy even with the shared memory option. But if you want to play games, perhaps you can take a look at the higher end gaming laptops and see what GFX options they have.


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