Nikon D700 12bit vs 14bit nef fps test

Did some speed tests today, particularly I was interested in 12bit vs 14bit difference. As you'll see, there isn't any.

D700 is a 5fps machine. Larger sensor, larger shutter, same power as D300,.. all make the difference.

Anyhow, some numbers. All done in RAW lossless compression, CH, M mode, 1/500, shooting at my stopwatch till the buffer was full.

12 bit:
starts with 3:48, 3:87, 3:90, 4:09, 4:27, 4:53, 4:70, 4:88, 5:07, 5:24, 5:49, 5:68, 5:87, 6:06, 6:29, 6:48, 6:67, 6:98
Made 18 shots till full buffer and I get 5.2fps

14 bit:
starts with 3:37, 3:56, 3:79, 3:98, 4:17, 4:20, 4:59, 4:78, 4:96, 5:15, 5:39, 5:57, 5:76, 5:95, 6:18, 6:37, 6:56
Made 17 shots till full buffer and I get 5.3fps

So no difference really.
I don't have the grip, so can't check if that makes any difference or not.

More will follow.