Q35-3.0 vs i440fx-3.0 for Windows 10 with GPU in 2019?

Hi All, I've had a windows 10 VM running on my machine now for the past couple years. It has a Ryzen 1700 and a NVIDIA 1070 passed through and has been working...ok... Recently I've turned it into a render slave for houdini/redshift and have noticed some instability. Namely, it will crash (and crash unraid) when running heavy CPU/GPU/RAM activities. One thing that I'm exercising in particular is the amount of data I'm pushing from system ram to the GPU ram. I'm assuming that th

Some people reporting better performance on Q35 others don't see any differences. Some people have more success passing a device to a VM with Q35 for others that machine type won't change anything. AMD cards for example with the newest drivers people get a black screen on i440fx and only drivers from end of last year are working, with Q35 there is no issue. I can only speek for me and it feels a bit snappier in games with Q35 on the latest 6.7_RC5 version. I know, RC6 is out already,