That's a pretty vague claim. Sounds like some cheating going on whereby they coupled Haswell with a chipset from nVidia or AMD and decided to claim that Haswell can handle Skyrim on high settings fluently @ 1920 x 1080. scolds
I have my doubts the next HD generation of graphics from Intel does that much better than the current HD4000 generation. Graphics has never been a high priority for Intel considering where most of their R&D budget is focused on. It may have had a better budget the past few years, but the fact AMD's APUs outperform it in gaming, I doubt most budget gamers will even be considering a Intel HD graphics solution for their needs.