So my conclusion, the nvidia thread optimisation 'auto' is in fact turned off for MoI.
Forcing in 'on' slow down the result.

So for the next test I keep nvidia thread optimisation on 'auto', but I disable the intel hypertreading on my mobo.



Frames: 120 - Time: 10000ms - Avg: 12.000 - Min: 11 - Max: 13 No DisplayThreadLimit - Nvidia Thread opt: Auto Hyper Thread OFF

Frames: 107 - Time: 10000ms - Avg: 10.700 - Min: 9 - Max: 12 DisplayThreadLimit=2 - Nvidia Thread opt: Auto Hyper Thread OFF

Frames: 120 - Time: 10000ms - Avg: 12.000 - Min: 11 - Max: 13 DisplayThreadLimit=4 - Nvidia Thread opt: Auto Hyper Thread OFF

Frames: 120 - Time: 10000ms - Avg: 12.000 - Min: 11 - Max: 13 DisplayThreadLimit=6 - Nvidia Thread opt: Auto Hyper Thread OFF