1280x1024 at 60 Hz is 78 million pixels per second. Color interpolation and Z buffers multiplies the number of values you work with by 4. Even if there are no o

1280x1024 at 60 Hz is 78 million pixels per second. Color interpolation and Z buffers multiplies the number of values you work with by 4. Even if there are no overlapping objects, a 333MHz CPU would have to spend just 1 cycle per value to keep full framerate. The only way you could update the whole screen every frame on these computers was with hardware scrolling, in the style of Mario or Civilization.