If you can't decide which processor to buy, you can make a decision by looking at the Intel Core i5-10400T GeekBench 5 score multi and single core test and decide is it a good processor or a bad one to buy, how powerful is this processor. Here is all information from GeekBench 5 benchmark. A thorough analysis of all the technical characteristics, to make it easier to understand, is made by the table. After reading the results of parallel test and video, you can already make an informed decision about do you need to buy Intel Core i5-10400T or not.
All the data that you have looked at here do not mean that taking them into account you should undividedly trust a simple comparison of these numbers. Be sure to watch the video tests and read the opinion of real owners of Intel Core i5-10400T before deciding buy this processor or not.