Phoronix published a review on the Intel Broadwell Iris Pro Graphics: Windows 10 vs. Linux
A quote from the article:
Resulting from the What Windows 10 vs. Linux Benchmarks Would You Like To See and The Phoronix Test Suite Is Running On Windows 10, here are our first benchmarks comparing the performance of Microsoft's newly released Windows 10 Pro x64 against Fedora 22 when looking at the Intel's OpenGL driver performance across platforms.Intel Broadwell Iris Pro Graphics: Windows 10 vs. Linux @ Phoronix
For this first Windows 10 vs. Linux comparison, I decided to see how well Intel's graphics performance is running between operating systems for their latest-generation Broadwell graphics. This also is my first time running any Windows release with Broadwell hardware for a cross-OS comparison.