New products coming out with Intel’s 4th generation Core i3, i5 and i7 (code name Haswell). To keep things simple here is what you need to know.
Slightly faster than 3rd generation
Better battery life
Better video performance (Intel Iris Pro graphics 5200, Intel Iris graphics 5100 and Intel HD graphics 5000 / 4600)
More USB 3.0 ports
In the market for a new PC or Mac then wait for the new products. Want to save money look for 3rd generation products to start going on sale.