iPhone SE (3rd gen) vs Galaxy S21: Size & Dimensions Compared
The Galaxy S21 is the larger phone, measuring 13.3mm shorter and 3.9mm narrower.
| Dimension | iPhone SE (3rd gen) | Galaxy S21 | Difference |
|---|---|---|---|
| Height | 138.4mm | 151.7mm | Galaxy S21 +13.3mm |
| Width | 67.3mm | 71.2mm | Galaxy S21 +3.9mm |
| Thickness | 7.3mm | 7.9mm | Galaxy S21 +0.6mm |
| Weight | 144g | 169g | Galaxy S21 +25.0g |
| Screen | 4.7" | 6.2" | Galaxy S21 +1.5" |
Visual Size Comparison
HeightGalaxy S21 +13.3mm
iPhone SE (3rd gen)
138.4mm
Galaxy S21
151.7mm
WidthGalaxy S21 +3.9mm
iPhone SE (3rd gen)
67.3mm
Galaxy S21
71.2mm
ThicknessGalaxy S21 +0.6mm
iPhone SE (3rd gen)
7.3mm
Galaxy S21
7.9mm
Which is bigger?
The Galaxy S21 is the taller phone at 151.7mm (vs 138.4mm). It is also 25g heavier.
Upgrading from iPhone SE (3rd gen) to Galaxy S21?
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? →Will a iPhone SE (3rd gen) screen protector fit Galaxy S21? →
Frequently Asked Questions
Is iPhone SE (3rd gen) bigger than Galaxy S21?
No, the Galaxy S21 is 13.3mm taller. The iPhone SE (3rd gen) weighs 144g vs 169g.
Are iPhone SE (3rd gen) and Galaxy S21 the same size?
No, the height differs by 13.3mm, width by 3.9mm, and thickness by 0.6mm.