Originally Posted by
larix
Which CPU are you looking to upgrade to 4790K or 4790S ? I don't think there is such thing as 4790K S. Regardless both of these are clocked higher than your i3 (the K is clocked higher than S) and both of them got twice as many cores/threads as your current CPU. Whether or not it is worth upgrading depends entirely on your situation - are you now or expect in near future to be held back by your CPU? Are the cpus reasonably priced?
My rule of upgrading is "don't buy anything until proven that what I have is not enough anymore".
off topic: God your post was difficult to read and understand. Please proof read your posts before posting.