For example you can't decide which CPU to buy, you can make a choice by looking at the Intel Core i5-8600K Cinebench r15 score multi and single core test and decide is it a good processor or a bad one to buy, how powerful is this CPU. Here you can find useful information from Cinebench r15 benchmark. A thorough review of all the technical characteristics, to make it easier to read, is presented in the form of the table. After reading the results of all test and video, you already be able to know do you need to buy Intel Core i5-8600K or not.
Although it should be realized that all the data in the table above do not mean that taking them into account you should entirely trust a simple comparison of these numbers. Be sure to watch benchmarks video and read the opinion of real owners of Intel Core i5-8600K before deciding buy this CPU or not.