Video memory size matters how?

Nicely someone told me at 1280×1024 quality the 512mb is enough.What else is the SIZE of the VIDEO GREETING CARD usefull besides the resolution Imagin if I utilize dual display screen with 1280×1024 Will i need in excess of 512mb I am not planing to acquire a higher file size screen still.thxs

512MB could well be enough.You’d only desire to get more if you were gonna play the modern games.I do not think that obtaining the extra tv screen would use much more memory.