Yes really. A pixel is a pixel. This dell monitor has pixels the size of boulders. Apple Pro Display XDR has 4.6m more pixels in a significantly smaller area creating a much denser display.
Denser pixels are worth less because you can't see them; in this case 3x-4x less.
Denser pixels are worth less because you can't see them; in this case 3x-4x less.