The iPhone 14 Plus display has rounded corners that follow a beautiful curved design, and these corners are within a standard rectangle. When measured as a standard rectangular shape, the screen is 6.68 inches diagonally (actual viewable area is less).
Retina HD display
The iPhone SE 3rd Gen (2022) display has rounded corners that follow a beautiful curved design, and these corners are within a standard rectangle. When measured as a standard rectangular shape, the screen is 4.7 inches diagonally (actual viewable area is less).