How can I make sure my games display at their best?

All video cards in today's computers are the same high quality today. Anyone will do$.$

Be sure to get a computer with a video card with a highly rated graphics processing unit, or GPU, and over $500MB$ of video RAM.

Be sure to get a computer with a video card with a highly rated graphics processing unit, or GPU, and $4$ GB or more of video RAM.

Be sure to get a computer with a video card with a highly rated graphics processing unit, or GPU, and over $128$ MB of video RAM.