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How Important is the memory bandwidth of a video card in determining gaming performance?

Last response: in Graphics & Displays
February 27, 2014 6:42:43 PM

what type of settings will be favorable to the memory bandwidth in a game?
a b U Graphics card
a b } Memory
February 27, 2014 6:50:23 PM

The more the better as it will move data faster between the VRam and the GPU.

how much bandwidth is favorable? as much as your budget can afford it.

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a b 4 Gaming
a b U Graphics card
a b } Memory
February 27, 2014 8:17:49 PM

It is extremely important. I personally hate buying Nvidia cards now because I feel they starve their cards in terms of memory bandwidth to help keep performance gaps between their own cards. AMD seems to have the bandwidth much more reasonably placed on their cards to me.

If you want a good example how important it is though, look at comparisons of the 7790 and the 7850. The 7790 is probably AMD's most bandwidth starved card. It is very close in shader count to the 7850 so the cores should perform very close, but the 7850 has double the bandwidth and so it performs a lot better.
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