Galaxy S23 vs Galaxy S25 Ultra: Size & Dimensions Compared
The Galaxy S25 Ultra is the larger phone, measuring 16.5mm shorter and 6.7mm narrower.
| Dimension | Galaxy S23 | Galaxy S25 Ultra | Difference |
|---|---|---|---|
| Height | 146.3mm | 162.8mm | Galaxy S25 Ultra +16.5mm |
| Width | 70.9mm | 77.6mm | Galaxy S25 Ultra +6.7mm |
| Thickness | 7.6mm | 8.2mm | Galaxy S25 Ultra +0.6mm |
| Weight | 168g | 218g | Galaxy S25 Ultra +50.0g |
| Screen | 6.1" | 6.9" | Galaxy S25 Ultra +0.8" |
Visual Size Comparison
HeightGalaxy S25 Ultra +16.5mm
Galaxy S23
146.3mm
Galaxy S25 Ultra
162.8mm
WidthGalaxy S25 Ultra +6.7mm
Galaxy S23
70.9mm
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 146.3mm). It is also 50g 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
Spigen
Spigen Rugged Armor for Galaxy S23
$15.99
Spigen
Spigen Liquid Air for Galaxy S23
$13.99
Caseology
Caseology Parallax for Galaxy S23
$16.99
Accessories for Galaxy S25 Ultra
Spigen
Spigen Tough Armor for Galaxy S25 Ultra
$18.99
Samsung
Samsung Silicone Case for Galaxy S25 Ultra
$39.99
OtterBox
OtterBox Symmetry for Galaxy S25 Ultra
$49.95
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Will a Galaxy S23 case fit Galaxy S25 Ultra? →Will a Galaxy S23 screen protector fit Galaxy S25 Ultra? →
Frequently Asked Questions
Is Galaxy S23 bigger than Galaxy S25 Ultra?
No, the Galaxy S25 Ultra is 16.5mm taller. The Galaxy S23 weighs 168g vs 218g.
Are Galaxy S23 and Galaxy S25 Ultra the same size?
No, the height differs by 16.5mm, width by 6.7mm, and thickness by 0.6mm.