Buying context
How to Choose the Right Monitor Screen Size
Monitor size is constrained by desk depth, resolution, font scaling, and how much head movement you can tolerate. Bigger is not automatically better if the screen sits too close or text scaling wastes the extra space.
The strongest general-purpose setup is still 27 inches at 1440p. Go smaller for competitive gaming, larger for 4K work, and ultrawide when horizontal workspace is more valuable than vertical height.