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what does memory on a video card do exactly? 1GB GPU vs 2GB GPU

post #1 of 6
Thread Starter 
performance difference?


really noticeable without Overclocking, and benchmarking ?
    
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post #2 of 6
Memory on GPU helps with resolution. The larger the resolution/more monitors, the more memory you will need. There is more information on the subject that I am sure someone else will post since they will have better knowledge about this topic.
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post #3 of 6
More doesn't really improve performance unless the application requires more than what is available. When VRAM runs out your framerates will drop into the single digits because the system is swapping data from your hard disks to VRAM constantly.
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post #4 of 6
At the beginning of a game the map data is loaded into the VRAM and when you run out of VRAM the comp needs to directly load it instead of using the GDDR5 VRAM which is faster. (This is how it works from what I remember)
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post #5 of 6
Deppends on the video card
post #6 of 6
Also higher texture resolutions and higher levels of multi sampling require more video memory.
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