Galaxy S25 Ultra vs Galaxy S21 • Screen specifications and dimensions
| Specification | Galaxy S25 Ultra | Galaxy S21 |
|---|---|---|
| Device Name | Galaxy S25 Ultra | Galaxy S21 |
| Brand | Samsung | Samsung |
| Release Year | 2025 | 2021 |
| Specification | Galaxy S25 Ultra | Galaxy S21 |
|---|---|---|
| Screen Size | 6.9 inches | 6.2 inches |
| Resolution | 3120 × 1440 | 2400 × 1080 |
| Pixel Density | 501 PPI | 421 PPI |
| Display Type | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Aspect Ratio | 19.3:9 | 20:9 |
| Total Pixels | 4,492,800 | 2,592,000 |
| Specification | Galaxy S25 Ultra | Galaxy S21 |
|---|---|---|
| Width | 3.06 inches (77.6mm) | 2.80 inches (71.2mm) |
| Height | 6.41 inches (162.8mm) | 5.97 inches (151.7mm) |
| Diagonal | 6.9 inches (17.5cm) | 6.2 inches (15.7cm) |
