---------- RUN1PASS1.LOG
encoded 1442 frames, 68.82 fps, 3904.94 kb/s

---------- RUN2PASS1.LOG
encoded 1442 frames, 69.70 fps, 3904.94 kb/s

---------- RUN3PASS1.LOG
encoded 1442 frames, 69.49 fps, 3904.94 kb/s

---------- RUN4PASS1.LOG
encoded 1442 frames, 69.18 fps, 3904.94 kb/s

---------- RUN1PASS2.LOG
encoded 1442 frames, 33.26 fps, 3974.08 kb/s

---------- RUN2PASS2.LOG
encoded 1442 frames, 33.30 fps, 3974.08 kb/s

---------- RUN3PASS2.LOG
encoded 1442 frames, 33.34 fps, 3974.08 kb/s

---------- RUN4PASS2.LOG
encoded 1442 frames, 33.38 fps, 3974.08 kb/s

That's with the Xeons clocked to 7.5 x 388 CPU-Z does not read the RAM.