The 9400 is still active when the 9600 is; you can use both at the same with with OpenCL for instance. And I'd imagine that there's only one video decode ASIC

The 9400 is still active when the 9600 is; you can use both at the same with with OpenCL for instance. And I'd imagine that there's only one video decode ASIC between the two of them, no need to uselessly duplicate hardware.