... which makes BIAB sometimes stutter, CPU-wise, in underpowered machines while RB does not.

I'm assuming if you turned off the checkbox for "Speed Up Generation for RealTracks" the performance of the two programs would be similar (Opt., Preferences, RealTracks).



BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.