Intel claims that the HD 4000 graphics core is more than just a tick, but is it right?

Intel's HD Graphics has come a long way over the years, but is it enough to play modern games at 1080p? We tested every modern incarnation of Intel HD Graphics, from HD 4000 up to the latest Intel ...

Intel is giving the new graphics engine a brand name: "Iris", touting 2x to 3x the performance of HD 4000 graphics. In the past few months we've come to learn a lot about Haswell.