You'll see some big differences on amount of triangle counts in PV if you carefully compare the data.
LV: 4.135m mesh triangles/3.939m displaced triangles
PV: 12.579m mesh triangles/19.88m displaced triangles

This may cause OOC used. Low VRAM.
Also on start of a render, it create/resend materials ...

Everything in my scene that has any dynamics on it is fully cached. I understand the first frame taking a bit longer, it takes about 15 minutes, and then each subsequent frame is on average almost 3-4 times longer.
Open Console and show the all output here when you make a few frames renderer. It ...

Everything in my scene that has any dynamics on it is fully cached. I understand the first frame taking a bit longer, it takes about 15 minutes, and then each subsequent frame is on average almost 3-4 times longer.

I was wondering if there are some obvious places to look or consider when sending a render through Cinema 4D's render queue. I'm rendering a decently complex scene with some hair, some scattered foliage, basic cloth sims.

My Live Viewer render is currently 2 minutes and 20 seconds per frame. When I ...

I am just trying to create a basic Universal Material and it seems to be any time I try to adjust the "Transmission" I get a hard Cinema 4d Crash.

My machine is:
2x RTX 3090's
AMD 3900X
64GB RAM
NVIDIA Driver: 516.94
Cinema 4D 2023
Octane Render Plugin 2021.1.6 R3