How job evaluation is different from job description?

How job evaluation is different from job description?

Job evaluation is an orderly and systematic technique which aims at determining the worth of jobs. It is a formal system of determining the base compensation of jobs, whereas a job description is an organized factual statement of job contents in the form of duties and responsibilities of a specific job. It tells in brief the nature and type of job. It emphasize on job requirements while job evaluation emphasize on worth of the job.