You may have difficulties with the choice of a CPU, you will solve them by looking at comprehensive benchmark AMD EPYC 7742 GeekBench 5 score single and multi core and decide how powerful is this processor, is it a good processor or a bad one to buy. Here is useful information from GeekBench 5 benchmark. A careful analysis of all the technical characteristics, 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 understand do you need to buy AMD EPYC 7742 or not.
All the number in the article above do not mean that taking them into account you should totally trust a simple quantitative comparison. Be sure to watch the video tests and read the reviews of of people who bought AMD EPYC 7742 before deciding buy this processor or not.