Galaxy S20 vs Galaxy S21: Size & Dimensions Compared

The Galaxy S21 is the larger phone, measuring 0.0mm shorter and 2.1mm narrower.

DimensionGalaxy S20Galaxy S21Difference
Height151.7mm151.7mmSame
Width69.1mm71.2mmGalaxy S21 +2.1mm
Thickness7.9mm7.9mmSame
Weight163g169gGalaxy S21 +6.0g
Screen6.2"6.2"Same

Visual Size Comparison

HeightSame
Galaxy S20
151.7mm
Galaxy S21
151.7mm
WidthGalaxy S21 +2.1mm
Galaxy S20
69.1mm
Galaxy S21
71.2mm
ThicknessSame
Galaxy S20
7.9mm
Galaxy S21
7.9mm

Which is bigger?

The Galaxy S20 is the taller phone at 151.7mm (vs 151.7mm). It but is 6g lighter.

Upgrading from Galaxy S20 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 Galaxy S20 bigger than Galaxy S21?

They are the same height, but differ by 2.1mm in width. The Galaxy S20 weighs 163g vs 169g.

Are Galaxy S20 and Galaxy S21 the same size?

No, the height differs by 0.0mm, width by 2.1mm, and thickness by 0.0mm.