Perhaps you can't decide which processor to buy, you can make a decision by looking at the Intel Core i3-9320 Cinebench r15 score single and multi 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 Cinebench r15 benchmark. A careful review of all the specifications, so that it can be easier to read, is made by the table. After reading the results of parallel test and video, you can already make an briefed decision about do you need to buy Intel Core i3-9320 or not.
Although it should be realized that all the figures 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 benchmarks video and read the opinion of real owners of Intel Core i3-9320 before deciding buy this processor or not.