Galaxy S21 Ultra vs Galaxy S23 Ultra: Size & Dimensions Compared
The Galaxy S21 Ultra is the larger phone, measuring 1.7mm taller and 2.5mm narrower.
| Dimension | Galaxy S21 Ultra | Galaxy S23 Ultra | Difference |
|---|---|---|---|
| Height | 165.1mm | 163.4mm | Galaxy S21 Ultra +1.7mm |
| Width | 75.6mm | 78.1mm | Galaxy S23 Ultra +2.5mm |
| Thickness | 8.9mm | 8.9mm | Same |
| Weight | 227g | 234g | Galaxy S23 Ultra +7.0g |
| Screen | 6.8" | 6.8" | Same |
Visual Size Comparison
HeightGalaxy S21 Ultra +1.7mm
Galaxy S21 Ultra
165.1mm
Galaxy S23 Ultra
163.4mm
WidthGalaxy S23 Ultra +2.5mm
Galaxy S21 Ultra
75.6mm
Galaxy S23 Ultra
78.1mm
ThicknessSame
Galaxy S21 Ultra
8.9mm
Galaxy S23 Ultra
8.9mm
Which is bigger?
The Galaxy S21 Ultra is the taller phone at 165.1mm (vs 163.4mm). It but is 7g lighter.
Upgrading from Galaxy S21 Ultra to Galaxy S23 Ultra?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy S21 Ultra
Accessories for Galaxy S23 Ultra
Spigen
Spigen Tough Armor for Galaxy S23 Ultra
$17.99
OtterBox
OtterBox Defender Series for Galaxy S23 Ultra
$64.95
TORRAS
TORRAS MarsClimber for Galaxy S23 Ultra
$19.99
As an Amazon Associate, WillItSnap earns from qualifying purchases.
Will a Galaxy S21 Ultra case fit Galaxy S23 Ultra? →Will a Galaxy S21 Ultra screen protector fit Galaxy S23 Ultra? →
Frequently Asked Questions
Is Galaxy S21 Ultra bigger than Galaxy S23 Ultra?
Yes, the Galaxy S21 Ultra is 1.7mm taller and 2.5mm narrower. The Galaxy S21 Ultra weighs 227g vs 234g.
Are Galaxy S21 Ultra and Galaxy S23 Ultra the same size?
No, the height differs by 1.7mm, width by 2.5mm, and thickness by 0.0mm.