• NAME
• Video RAM
• Bandwidth
• AUTHOR

NAME

Video RAM

      Resolution    16 colors     256 colors     64,000 colors     16.7M colors
       640x  480    150Kb         300Kb          600Kb             900Kb
       800x  600    234Kb         469Kb          938Kb             1.4Mb
     1,024x  768    384Kb         768Kb          1.5Mb             2.3Mb
     1,280x1,024    640Kb         1.3Mb          2.6Mb             3.8Mb
     1,600x1,200    937Kb         1.9Mb          3.8Mb             5.6Mb

Bandwidth

      Resolution    Refresh rate  Dot-clock speed     Acceptable Bandwidth
                    Hz            Mhz                 Mhz
       640x  480    72            22                   33
       640x  480    75            23                   35
       640x  480    60            18                   28
       800x  600    56            27                   40
       800x  600    72            35                   52
       800x  600    60            29                   43
       800x  600    75            36                   54
     1,024x  768    70            55                   83
     1,024x  768    75            59                   88
     1,280x1,024    75            98                  147

Formula used:

        Horizontal pixels x vertical pixels x refresh rate = dot-clock speed
        Dot-clock speed x overhead = acceptable bandwidth

Assumption:

        overhead = 1.5

AUTHOR