You may have difficulties with the choice of a CPU, you will solve them by looking at detailed benchmark AMD Ryzen 7 4700G Cinebench r20 score single and multi core and decide is it a good processor or a bad one to buy, how powerful is this CPU. Here you can find all information from Cinebench r20 benchmark. A thorough review of all the specifications, to make it easier to read, is summarized in the table. After reading the results this test and video, you can already make an briefed decision about do you need to buy AMD Ryzen 7 4700G or not.
All the data that you have looked at here do not mean that taking them into account you should entirely trust a simple comparison of these numbers. Be sure to watch the testing video and read the reviews of real owners of AMD Ryzen 7 4700G before making a decision buy this processor or not.