Additional Graphics Card Memory?

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ArmenM

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Oct 4, 2016
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Okay, so this might be a bit of odd, but this 'issue' exists for me... So, I have a PC with an AMD Radeon HD 6570 graphics card, and when I bought the PC, I only needed a few memory for the graphics card.. The store customers offered me the graphics card above, with 1GB of memory, and I agreed, so one and half a year has passed since then, and now I have started PC gaming and I mostly play GTA 5 and I'm about to upgrade my graphics card. So the main 'issue' is that, when I wanted to use the AMD OverDrive technology to increase my GPU clock settings so I will be able to play my games with a higher performance, I looked through all of the tabs in the Catalyst Control Center and when i hit the Hardware Information section i saw something really odd.. The Memory size of my graphics card was 2.7GB (2743MB) instead of just 1GB, but in GTA 5, in the Graphics Settings my graphics card's maximum memory is still 1GB.

Here are some screenshots just in case

http://prnt.sc/cpstho

http://prnt.sc/cpsqid
 
Solution
SkittishGaming


It's not a mistake,
Dedicated video memory is memory on the video card itself. Shared memory is part of your system's RAM that is "given to" the video card for use when it needs to process images. Since dedicated memory is on the card, the chips and the bus to access it are under the card's control, so access is typically much faster and at a higher bandwidth. For shared memory, the card has to use the (shared) system bus and the normal system RAM chips, which increase access time (a lot, typically).

If an image is too large to fit in the onboard video...
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SkittishGaming

SkittishGaming

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Feb 4, 2016
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It's not a mistake,
Dedicated video memory is memory on the video card itself. Shared memory is part of your system's RAM that is "given to" the video card for use when it needs to process images. Since dedicated memory is on the card, the chips and the bus to access it are under the card's control, so access is typically much faster and at a higher bandwidth. For shared memory, the card has to use the (shared) system bus and the normal system RAM chips, which increase access time (a lot, typically).

If an image is too large to fit in the onboard video memory, the card will use system memory as well. Since the speed is dictated by the slowest subsystem, this will almost negate the benefits of onboard memory. So you should try to have as much onboard memory as you can, if you are using applications that require fast rendering e.g. games, graphics etc.

 
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