The Core i7-4790K is still based on Intel's fourth-generation Core architecture, codenamed Haswell.
Overall performance is better than any other CPU on the market, save for Extreme Edition models.
Compare Intel Core i7 4790K vs Intel Core i7 6700K
Compare Intel Core i7 5500U vs Intel Core i7 4720HQ
With Krait 300/400, Qualcomm is really evolving its Krait architecture the right way.
Brian already went through and did a great job explaining what the 7260 is and what it's capable of in his article from last year.
Compare Qualcomm Snapdragon 800 vs Intel Atom Z3580
Compare Intel Core i7 5500U vs Intel 6500U