For example you have difficulties with the choice of a CPU, you will solve them by seeing the full test Intel Core i5-8400T Cinebench r23 score single and multi core and understand is it a good CPU or a bad one to buy, how powerful is this CPU. Here is useful information from Cinebench r23 benchmark. A careful review of all the specifications, so that it can be easier to read, is summarized in the table. After looking at the data of parallel test and video, you already be able to figure out do you need to buy Intel Core i5-8400T or not.
However, it should be realized that all the figures in the text above do not mean that taking them into account you should completely trust a simple quantitative comparison. Better to watch the testing video and read the reviews of of people who bought Intel Core i5-8400T before deciding buy this processor or not.