Is 1GB VRAM enough?

Is 1GB VRAM enough? 1GB can be enough for many games out now. When you turn down certain memory intensive effects and filters even Crysis 3 is playable at 1080p on high settings.

1GB can be enough for many games out now. When you turn down certain memory intensive effects and filters even Crysis 3 is playable at 1080p on high settings.