If you have difficulties with the choice of a CPU, you will solve them by seeing the detailed test Intel Core i5-10400H Cinebench r20 score single and multi core and decide is it a good processor or a bad one to buy, how powerful is this processor. Here you can find useful information from Cinebench r20 benchmark. A careful review of all the specifications, to make it easier to read, is summarized in the table. After looking at the data this test and video, you can already make an informed decision about do you need to buy Intel Core i5-10400H or not.
All the data in the article above do not mean that taking them into account you should undividedly trust a simple quantitative comparison. Better to watch benchmarks video and read the reviews of of people who bought Intel Core i5-10400H before deciding buy this processor or not.
Intel Core i5-10400H Cinebench r20 benchmark video