The amount of video RAM is only important while gaming in higher resolution, as it does not directly affect performance.
The 1280x1024 resolution became popular because at 24-bit color it fit well into 4 megabytes of video RAM.
Video RAM is increasingly important for people who work with Windows and visual images.
The faster the clock speed, the more the graphics core and/or video RAM can accomplish in a second.
The same criticism applies to the video RAM.
The Video RAM is actually a bank of 4 planes, 64 kB each.
Next program you load gets infected from Video RAM and spreads from there.
However, it did contain blitter capabilities to perform automatic block memory copies within its dedicated video RAM.
A pixel in a strict sense is a physical screen location that can be addressed and manipulated directly in the video RAM.
One thing it can't spot is the amount of video RAM on your VGA card.