SwitchResX – Custom resolutions
SwitchResX can let you to create new resolutions or customize existing ones, to get a perfect screen experience. Your Mac doesn't let you choose your native screen display ? Your existing resolutions are either too small, or too big, but not what you really want ? Just create your resolution, and let SwitchResX install it into macOS.
On Apple Silicon Macs, you should use macOS 13.0 Ventura or above to get most of these features