I have a choice between getting a 3rd gen i5-3337U (2.7MHz) with the Intel HD 4000 or getting the 4th gen i5-4200 (2.6MHz) with the Intel HD 4400. (For a laptop).
I'm told the gen3 allows faster clock speeds than the gen4, but the 4400 seems to outperform the 4000 by about 10% with the same...