If anyone else has this issue and does NOT have an SLI setup to disable…
Check G-Sync. I went through three different drivers, turned off ray tracing in my project… everything. Disabled G-Sync, fixed! Just need to re-enable ray tracing now and wait for 4000 shaders to compile. FML.
FYI, this is an RTX2070 equipped laptop with a G-Sync capable screen.