For example you can't decide which processor to buy, you can make a choice by looking at the AMD Ryzen 5 7640HS Cinebench r15 score single and multi core test and decide how powerful is this CPU, is it a good processor or a bad one to buy. Here you can find all information from Cinebench r15 benchmark. A step-by-step analysis of all the technical characteristics, to make it easier to read, is presented in the form of the table. After looking at the data of joint test and video, you already be able to understand do you need to buy AMD Ryzen 5 7640HS or not.
All the figures that you have looked at here do not mean that taking them into account you should entirely trust a simple quantitative comparison. Better to watch the video tests and read the opinion of of people who bought AMD Ryzen 5 7640HS before making a choice buy this processor or not.