For example you can't decide which processor to buy, you can make a decision after reading the detailed test Apple M2 Cinebench r20 score single and multi core and understand is it a good processor or a bad one to buy, how powerful is this processor. Here is useful information from Cinebench r20 benchmark. A careful analysis of all the specifications, to make it easier to read, is presented in the form of the table. After reading the results of parallel test and video, you already be able to understand do you need to buy Apple M2 or not.
All the figures in the text above do not mean that taking them into account you should completely trust a simple quantitative comparison. Better to watch benchmarks video and read the opinion of of people who bought Apple M2 before making a choice buy this CPU or not.