these are advantages of the new Intel Graphics Installer vs stock driver in 13.10 is this what you mean?
1.Support for Intel Celeron N281 CPU w/Intel HD Graphics
2.SandyBridge’s New Acceleration (SNA) enabled by default on all UXA-supported hardware
3.Power saving improvements for “Haswell” chips w/Intel HD Graphics
4.Driver support for Iris Pro 5200, and Intel HD 5000 & 5100 graphics
5.MPEG-2 encoding improvements for 3rd and 4th Gen Intel CPUs paired with Intel HD Graphics
6.Rendering fix for DotA on Wine