If you can't decide which CPU to buy, you can make a decision after reading the full benchmark Intel Core i7-8700B Cinebench r20 score multi and single core and decide how powerful is this processor, is it a good processor or a bad one to buy. Here is all information from Cinebench r20 benchmark. A thorough analysis of all the technical characteristics, to make it easier to read, is presented in the form of the table. After reading the results of joint test and video, you already be able to know do you need to buy Intel Core i7-8700B or not.
The summary data in the article above do not mean that you should be guided entirely by them and trust a simple comparison of these figures. Better to watch the video tests and read the reviews of of people who bought Intel Core i7-8700B before making a decision buy this CPU or not.