benchmark

In computing terms the difference between benchmark and microbenchmark

is that benchmark is a computer program that is executed to assess the performance of the runtime environment while microbenchmark is a benchmark designed to measure the performance of a very small and specific piece of code.

As nouns the difference between benchmark and microbenchmark

is that benchmark is a standard by which something is evaluated or measured while microbenchmark is a benchmark designed to measure the performance of a very small and specific piece of code.

As a verb benchmark

is to measure the performance of (an item) relative to another similar item in an impartial scientific manner.