Perhaps you can't decide which CPU to buy, you can make a choice after reading the full benchmark Intel Core i3-9300 GeekBench 5 score multi and single core and understand is it a good CPU or a bad one to buy, how powerful is this CPU. Here you can find useful information from GeekBench 5 benchmark. A step-by-step analysis of all the specifications, to make it easier to read, is made by the table. After looking at the data of joint test and video, you already be able to understand do you need to buy Intel Core i3-9300 or not.
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. Better to watch the video tests and read the opinion of real owners of Intel Core i3-9300 before making a selection buy this processor or not.