Both the MBP and MBA say this in their tech specs, so getting the MBP would not help: > Simultaneously supports full native resolution on the built-in display

Both the MBP and MBA say this in their tech specs, so getting the MBP would not help: > Simultaneously supports full native resolution on the built-in display at millions of colors and: > One external display with up to 6K resolution at 60Hz The M1 Mac Mini can drive two displays: 6k on Thunderbolt and 4K on HDMI.