Summary
In comparison to a 39.7 inch 21x9 TV a 42.51 inch 16x9 is...33% larger diagonally and 78% larger by area as a 16x9 display.
33% larger diagonally and 78% larger by area as a 4x3 display.
Screen Size Comparison
42.51 inch 16x9 display vs 39.7 inch 21x9 display
| Buy From | 42.51 inch 16x9 | 39.7 inch 21x9 | |
| Amazon | 42.51 Inch TV | 39.7 Inch TV | |
| StatsUse cm | 42.51 inch 16x9 | 39.7 inch 21x9 | |
| Width | 37.05 inches | 36.49 inches | |
| Height | 20.84 inches | 15.64 inches | |
| Area | 772.17 inches² | 570.65 inches² | |
| As a 4:3 Display | 34.74 inches | 26.06 inches | |
| As a 16:9 Display | 42.51 inches | 31.90 inches | |
| As a 2.35:1 Display | 40.27 inches | 39.66 inches | |
| In Comparison | 42.51 inch 16x9 | 39.7 inch 21x9 | |
| Actual Aspect Ratios | 7.08% larger diagonal 35.31% larger area | 6.61% smaller diagonal 26.10% smaller area | |
| As a 4:3 Display | 33.27% larger diagonal 77.60% larger area | 24.96% smaller diagonal 43.69% smaller area | |
| As a 16:9 Display | 33.27% larger diagonal 77.60% larger area | 24.96% smaller diagonal 43.69% smaller area | |
| As a 2.35:1 Display | 1.54% larger diagonal 3.10% larger area | 1.51% smaller diagonal 3.00% smaller area | |
| Share your Comparison | 42.51 inch 16x9 display vs 39.7 inch 21x9 display |