For example you can't decide which CPU to buy, you can make a choice by looking at the AMD Ryzen 9 4900H Cinebench r20 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 r20 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 AMD Ryzen 9 4900H or not.
All the figures in the article above do not mean that taking them into account you should totally trust a simple quantitative comparison. Better to watch the testing video and read the reviews of of people who bought AMD Ryzen 9 4900H before deciding buy this CPU or not.