Galaxy S21 Ultra vs Galaxy A53 5G: Size & Dimensions Compared

The Galaxy S21 Ultra is the larger phone, measuring 5.5mm taller and 0.8mm wider.

DimensionGalaxy S21 UltraGalaxy A53 5GDifference
Height165.1mm159.6mmGalaxy S21 Ultra +5.5mm
Width75.6mm74.8mmGalaxy S21 Ultra +0.8mm
Thickness8.9mm8.1mmGalaxy S21 Ultra +0.8mm
Weight227g189gGalaxy S21 Ultra +38.0g
Screen6.8"6.5"Galaxy S21 Ultra +0.3"

Visual Size Comparison

HeightGalaxy S21 Ultra +5.5mm
Galaxy S21 Ultra
165.1mm
Galaxy A53 5G
159.6mm
WidthGalaxy S21 Ultra +0.8mm
Galaxy S21 Ultra
75.6mm
Galaxy A53 5G
74.8mm
ThicknessGalaxy S21 Ultra +0.8mm
Galaxy S21 Ultra
8.9mm
Galaxy A53 5G
8.1mm

Which is bigger?

The Galaxy S21 Ultra is the taller phone at 165.1mm (vs 159.6mm). It is also 38g heavier.

Upgrading from Galaxy S21 Ultra to Galaxy A53 5G?

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 A53 5G?

Yes, the Galaxy S21 Ultra is 5.5mm taller and 0.8mm wider. The Galaxy S21 Ultra weighs 227g vs 189g.

Are Galaxy S21 Ultra and Galaxy A53 5G the same size?

No, the height differs by 5.5mm, width by 0.8mm, and thickness by 0.8mm.