For example you are thinking about choosing a processor, you will be able to make a choice by looking at the AMD EPYC 7402 Cinebench r20 score single and multi core test and decide is it a good CPU or a bad one to buy, how powerful is this processor. Here is useful information from Cinebench r20 benchmark. A step-by-step analysis of all the specifications, to make it easier to understand, is summarized in the table. After looking at the data of all test and video, you can already make an informed decision about do you need to buy AMD EPYC 7402 or not.
Although it should be realized that the summary data in the text above do not mean that taking them into account you should entirely trust a simple quantitative comparison. Better to watch benchmarks video and read the reviews of of people who bought AMD EPYC 7402 before making a decision buy this processor or not.