If you can't decide which processor to buy, you can make a choice after reading the full benchmark Intel Core i5-11400H Cinebench r20 score single and multi core and understand how powerful is this processor, is it a good CPU or a bad one to buy. Here is useful information from Cinebench r20 benchmark. A thorough analysis of all the specifications, to make it easier to read, is summarized in the table. After looking at the data of all test and video, you can already make an briefed decision about do you need to buy Intel Core i5-11400H or not.
The summary data in the text above do not mean that taking them into account you should totally trust a simple comparison of these figures. Better to watch the testing video and read the reviews of of people who bought Intel Core i5-11400H before deciding buy this processor or not.
Intel Core i5-11400H Cinebench r20 benchmark video