Faster is faster than fast.
Unless you're talking about fasting.
"Faster" is a comparative of fast. The related superlative is "fastest."
Faster than fast!
The comparative form of the word 'fast' is 'faster'.
Faster than Mario. Faster than Luigi. Faster than Peach. Faster than Daisy. But not as fast as Sonic.
Faster, faster, faster, gotta go faster-sonic
Fast as a dolphin or faster
A fast aeroplane will be faster than any helicopter, but a fast helicopter can be faster than a slow aeroplane.
fast, faster, fastest
A computer with a fast processor will work faster, but will not have a noticeable effect on your download speeds.
as fast as, so fast as. faster than... less fast than...
A fast train can be faster than a slow plane. But even a regular plane will be faster than fast train.
Very fast. As long as you are faster, you have no problems.