The second test simply proves that in a high-end gaming rig that includes a high-end GPU, the CPU plays second fiddle to the GPU when playing a modern game.
All other attempts at different more satisfying explanations points to the poster's own stance vis-a-vis Intel and AMD.
Any secret sauces between the Bulldozer FX CPUs and 7xxx GPUs whereby their total performance will exceed that of the comparable Intel I7's and I5's and same GPUs?