You may have difficulties with the choice of a processor, you will solve them by looking at detailed test Intel Core i5-4230U Cinebench r20 score multi and single core and understand is it a good CPU or a bad one to buy, how powerful is this CPU. Here is all information from Cinebench r20 benchmark. A step-by-step analysis of all the specifications, to make it easier to read, is summarized in the table. After looking at the data this test and video, you already be able to understand do you need to buy Intel Core i5-4230U or not.
The summary data in the article above do not mean that you should be guided entirely by them and trust a simple quantitative comparison. Better to watch benchmarks video and read the opinion of real owners of Intel Core i5-4230U before deciding buy this processor or not.