FUD Zill awrites Intel's 14nm Broadwell processors will be getting the new 6000 series Iris graphics. The only exception is the Y-series, these CPUs are designed for thin and light notebooks and Intel decided to stick with Intel HD Graphics 5300 because it wanted to launch this chip before the end of this year.
The follow up U-processor line will get two new graphics cores. The first one is Intel Iris Graphics 6100 and the second one is Intel HD Graphics 6000. There will another option as well , in the form of Intel HD Graphics 5500. The U-processor line limited to 15W to 28W SKUs is launching already in Q1 2015 and it will get the new 6000 series core.
The H-Processor line will get the fastest graphics option and the fastest core called Intel Iris Pro Graphics 6200 seems to be the fastest option available. The H-processor line will also come with the Intel HD Graphics 5600 core.