Let's say there are difficulties with the choice of a CPU, you will solve them by seeing the comprehensive benchmark Intel Core i5-4690K Cinebench r20 score multi and single core and understand how powerful is this CPU, is it a good CPU or a bad one to buy. Here you can find useful information from Cinebench r20 benchmark. A step-by-step analysis of all the technical characteristics, to make it easier to understand, is presented in the form of the table. After looking at the data this test and video, you already be able to understand do you need to buy Intel Core i5-4690K or not.
The summary data in the article above do not mean that taking them into account you should undividedly trust a simple comparison of these numbers. Better to watch benchmarks video and read the opinion of real owners of Intel Core i5-4690K before deciding buy this CPU or not.