Galaxy S23+ vs Galaxy S25 Ultra: Size & Dimensions Compared

The Galaxy S25 Ultra is the larger phone, measuring 5.0mm shorter and 1.4mm narrower.

DimensionGalaxy S23+Galaxy S25 UltraDifference
Height157.8mm162.8mmGalaxy S25 Ultra +5.0mm
Width76.2mm77.6mmGalaxy S25 Ultra +1.4mm
Thickness7.6mm8.2mmGalaxy S25 Ultra +0.6mm
Weight196g218gGalaxy S25 Ultra +22.0g
Screen6.6"6.9"Galaxy S25 Ultra +0.3"

Visual Size Comparison

HeightGalaxy S25 Ultra +5.0mm
Galaxy S23+
157.8mm
Galaxy S25 Ultra
162.8mm
WidthGalaxy S25 Ultra +1.4mm
Galaxy S23+
76.2mm
Galaxy S25 Ultra
77.6mm
ThicknessGalaxy S25 Ultra +0.6mm
Galaxy S23+
7.6mm
Galaxy S25 Ultra
8.2mm

Which is bigger?

The Galaxy S25 Ultra is the taller phone at 162.8mm (vs 157.8mm). It is also 22g heavier.

Upgrading from Galaxy S23+ to Galaxy S25 Ultra?

Different sizes mean your old case probably won't fit. You'll need a new one.

Accessories for Galaxy S23+

Accessories for Galaxy S25 Ultra

Spigen

Spigen Tough Armor for Galaxy S25 Ultra

$18.99

View on Amazon

Samsung

Samsung Silicone Case for Galaxy S25 Ultra

$39.99

View on Amazon

OtterBox

OtterBox Symmetry for Galaxy S25 Ultra

$49.95

View on Amazon

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Frequently Asked Questions

Is Galaxy S23+ bigger than Galaxy S25 Ultra?

No, the Galaxy S25 Ultra is 5.0mm taller. The Galaxy S23+ weighs 196g vs 218g.

Are Galaxy S23+ and Galaxy S25 Ultra the same size?

No, the height differs by 5.0mm, width by 1.4mm, and thickness by 0.6mm.