NOTE: Sorry for the long post, trying to be thorough.
Just for reference, these are the specs of the machine. Everything is running stock, it's a work machine:
OS: Win 10 Pro
CPU: i7-6700K
Motherboard: ASUS Z170-A LGA 1151
RAM: 2x G.SKILL Ripjaws V Series 16GB 288-Pin DDR4
Using onboard GPU...