Unknown. Help us by suggesting a value. (Apple MacBook Air (2015) 13")
Unknown. Help us by suggesting a value. (Lenovo IdeaPad 3 17.3" HD Intel Core i5-1035G1 1GHz / 4GB RAM / 1TB HDD + 128GB SSD)
VRAM (video RAM) is the dedicated memory of a graphics card. More VRAM generally allows you to run games at higher settings, especially for things like texture resolution.
VRAM: is this important to you?