How is a video card measured?

Video Cards: Main targets to measured

in a VGA are GPU (graphic processing unit) Clock speed in MHz (Mega

Hertz), Size of the memory bus in bits, Amount of available memory

in Mega Bytes, Memory bandwidth in GB/s (Giga Bytes per second),

RAMDAC speed MHz (Mega Hertz), Memory clock rate MHz (Mega Hertz)

and most important if you don't want to remember all this FPS

(frames per second) which defines how many complete images can

display per second, normally if you required a high definition VGA

for a particular application or a game, verify the requirements on

the application or game before acquiring one, normally a game will

require to function at a rate of 60 < FPS.