Open-Source Linux Driver Comparison: Skylake HD Graphics vs. Radeon Gallium3D
The Skylake HD Graphics 530 of the Core i5 6600K was basically running around the speed of the Radeon HD 6570 with Mesa 11.0 plus the DRM-Next code to materialize in Linux 4.3. The Skylake HD Graphics aren't nearly as exciting as the Intel Iris Pro 6200 Graphics of Broadwell, but in time Intel will release some Skylake SKUs with Iris Graphics.
Again, if you want to see how your system compares, simply install the Phoronix Test Suite and run phoronix-test-suite benchmark 1508284-HA-GPUCOMPAR16.
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