PC Game Stuttering – Issue Fix
Multiple players have reported in-game stuttering related to high CPU usage.
Reduce the number of CPU cores used by the game in the system
-Open Task Manager.
-Click on the Details tab to see the list of running processes.
-Right-click it and select Set affinity.
-Deselect one or two of the cores (e.g. CPU 2 and CPU 3) and click OK.
Externally limit CPU usage by the game
-Unpack the archive and run BES.exe
-Launch the game.
-Click on Target… and select RDR2.exe from the list.
-Click on Limit this and confirm by clicking on Yes.
-Move the slider below to put the limit at -10% or experiment with other values.