Device Comparison
Galaxy S25 vs Galaxy S21 Ultra • Screen specifications and dimensions
Basic Information
| Specification | Galaxy S25 | Galaxy S21 Ultra |
|---|---|---|
| Device Name | Galaxy S25 | Galaxy S21 Ultra |
| Brand | Samsung | Samsung |
| Release Year | 2025 | 2021 |
Galaxy S25
Device Name
Galaxy S25
Brand
Samsung
Release Year
2025
Galaxy S21 Ultra
Device Name
Galaxy S21 Ultra
Brand
Samsung
Release Year
2021
Display Specifications
| Specification | Galaxy S25 | Galaxy S21 Ultra |
|---|---|---|
| Screen Size | 6.2 inches | 6.8 inches |
| Resolution | 2340 × 1080 | 3200 × 1440 |
| Pixel Density | 416 PPI | 515 PPI |
| Display Type | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Aspect Ratio | 19.5:9 | 20:9 |
| Total Pixels | 2,527,200 | 4,608,000 |
Galaxy S25
Screen Size
6.2 inches
Resolution
2340 × 1080
Pixel Density
416 PPI
Display Type
Dynamic AMOLED 2X
Aspect Ratio
19.5:9
Total Pixels
2,527,200
Galaxy S21 Ultra
Screen Size
6.8 inches
Resolution
3200 × 1440
Pixel Density
515 PPI
Display Type
Dynamic AMOLED 2X
Aspect Ratio
20:9
Total Pixels
4,608,000
Physical Dimensions
| Specification | Galaxy S25 | Galaxy S21 Ultra |
|---|---|---|
| Width | 2.83 inches (71.0mm) | 2.97 inches (75.6mm) |
| Height | 5.83 inches (148.0mm) | 6.50 inches (165.1mm) |
| Diagonal | 6.2 inches (15.7cm) | 6.8 inches (17.3cm) |
Galaxy S25
Width
2.83 inches (71.0mm)
Height
5.83 inches (148.0mm)
Diagonal
6.2 inches (15.7cm)
Galaxy S21 Ultra
Width
2.97 inches (75.6mm)
Height
6.50 inches (165.1mm)
Diagonal
6.8 inches (17.3cm)
Legend
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