iPhone SE (3rd gen) vs Galaxy S21+: Size & Dimensions Compared

The Galaxy S21+ is the larger phone, measuring 23.1mm shorter and 8.3mm narrower.

DimensioniPhone SE (3rd gen)Galaxy S21+Difference
Height138.4mm161.5mmGalaxy S21+ +23.1mm
Width67.3mm75.6mmGalaxy S21+ +8.3mm
Thickness7.3mm7.8mmGalaxy S21+ +0.5mm
Weight144g200gGalaxy S21+ +56.0g
Screen4.7"6.7"Galaxy S21+ +2.0"

Visual Size Comparison

HeightGalaxy S21+ +23.1mm
iPhone SE (3rd gen)
138.4mm
Galaxy S21+
161.5mm
WidthGalaxy S21+ +8.3mm
iPhone SE (3rd gen)
67.3mm
Galaxy S21+
75.6mm
ThicknessGalaxy S21+ +0.5mm
iPhone SE (3rd gen)
7.3mm
Galaxy S21+
7.8mm

Which is bigger?

The Galaxy S21+ is the taller phone at 161.5mm (vs 138.4mm). It is also 56g 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.

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Frequently Asked Questions

Is iPhone SE (3rd gen) bigger than Galaxy S21+?

No, the Galaxy S21+ is 23.1mm taller. The iPhone SE (3rd gen) weighs 144g vs 200g.

Are iPhone SE (3rd gen) and Galaxy S21+ the same size?

No, the height differs by 23.1mm, width by 8.3mm, and thickness by 0.5mm.