If there are difficulties with the choice of a CPU, you will solve them by seeing the detailed benchmark Intel Core i5-8400H Cinebench r23 score single and multi core and understand how powerful is this processor, is it a good CPU or a bad one to buy. Here you can find all information from Cinebench r23 benchmark. A thorough analysis of all the specifications, so that it can be easier to understand, is summarized in the table. After looking at the data this test and video, you already be able to know do you need to buy Intel Core i5-8400H or not.
All the data in the article above do not mean that taking them into account you should totally trust a simple comparison of these numbers. Be sure to watch benchmarks video and read the reviews of real owners of Intel Core i5-8400H before making a selection buy this CPU or not.