Galaxy S21 Ultra vs Galaxy A23: Size & Dimensions Compared

The Galaxy A23 is the larger phone, measuring 0.3mm shorter and 1.3mm narrower.

DimensionGalaxy S21 UltraGalaxy A23Difference
Height165.1mm165.4mmGalaxy A23 +0.3mm
Width75.6mm76.9mmGalaxy A23 +1.3mm
Thickness8.9mm8.4mmGalaxy S21 Ultra +0.5mm
Weight227g195gGalaxy S21 Ultra +32.0g
Screen6.8"6.6"Galaxy S21 Ultra +0.2"

Visual Size Comparison

HeightGalaxy A23 +0.3mm
Galaxy S21 Ultra
165.1mm
Galaxy A23
165.4mm
WidthGalaxy A23 +1.3mm
Galaxy S21 Ultra
75.6mm
Galaxy A23
76.9mm
ThicknessGalaxy S21 Ultra +0.5mm
Galaxy S21 Ultra
8.9mm
Galaxy A23
8.4mm

Which is bigger?

The Galaxy A23 is the taller phone at 165.4mm (vs 165.1mm). It but is 32g heavier.

Upgrading from Galaxy S21 Ultra to Galaxy A23?

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 S21 Ultra bigger than Galaxy A23?

No, the Galaxy A23 is 0.3mm taller. The Galaxy S21 Ultra weighs 227g vs 195g.

Are Galaxy S21 Ultra and Galaxy A23 the same size?

No, the height differs by 0.3mm, width by 1.3mm, and thickness by 0.5mm.