iPhone SE (3rd gen) vs Galaxy S21 Ultra: Size & Dimensions Compared
The Galaxy S21 Ultra is the larger phone, measuring 26.7mm shorter and 8.3mm narrower.
| Dimension | iPhone SE (3rd gen) | Galaxy S21 Ultra | Difference |
|---|---|---|---|
| Height | 138.4mm | 165.1mm | Galaxy S21 Ultra +26.7mm |
| Width | 67.3mm | 75.6mm | Galaxy S21 Ultra +8.3mm |
| Thickness | 7.3mm | 8.9mm | Galaxy S21 Ultra +1.6mm |
| Weight | 144g | 227g | Galaxy S21 Ultra +83.0g |
| Screen | 4.7" | 6.8" | Galaxy S21 Ultra +2.1" |
Visual Size Comparison
HeightGalaxy S21 Ultra +26.7mm
iPhone SE (3rd gen)
138.4mm
Galaxy S21 Ultra
165.1mm
WidthGalaxy S21 Ultra +8.3mm
iPhone SE (3rd gen)
67.3mm
Galaxy S21 Ultra
75.6mm
ThicknessGalaxy S21 Ultra +1.6mm
iPhone SE (3rd gen)
7.3mm
Galaxy S21 Ultra
8.9mm
Which is bigger?
The Galaxy S21 Ultra is the taller phone at 165.1mm (vs 138.4mm). It is also 83g heavier.
Upgrading from iPhone SE (3rd gen) to Galaxy S21 Ultra?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for iPhone SE (3rd gen)
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Will a iPhone SE (3rd gen) case fit Galaxy S21 Ultra? →Will a iPhone SE (3rd gen) screen protector fit Galaxy S21 Ultra? →
Frequently Asked Questions
Is iPhone SE (3rd gen) bigger than Galaxy S21 Ultra?
No, the Galaxy S21 Ultra is 26.7mm taller. The iPhone SE (3rd gen) weighs 144g vs 227g.
Are iPhone SE (3rd gen) and Galaxy S21 Ultra the same size?
No, the height differs by 26.7mm, width by 8.3mm, and thickness by 1.6mm.