Galaxy S23 Ultra vs Galaxy S24 Ultra: Size & Dimensions Compared
The Galaxy S23 Ultra is the larger phone, measuring 1.1mm taller and 0.9mm narrower.
Visual Size Overlay
- •Height differs by 1.1mm — case won't fit
- •Width differs by 0.9mm — case won't fit
- •Thickness differs by 0.3mm — may affect fit
Edge types differ (curved vs flat) — screen protector won't adhere properly.
| Dimension | Galaxy S23 Ultra | Galaxy S24 Ultra | Difference |
|---|---|---|---|
| Height | 163.4mm | 162.3mm | Galaxy S24 Ultra -1.1mm (shorter) |
| Width | 78.1mm | 79mm | Galaxy S24 Ultra +0.9mm (wider) |
| Thickness | 8.9mm | 8.6mm | Galaxy S24 Ultra -0.3mm (thinner) |
| Weight | 234g | 232g | Galaxy S24 Ultra -2.0g (lighter) |
| Screen | 6.8" | 6.8" | Same |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S23 Ultra is the taller phone at 163.4mm (vs 162.3mm). It is also 2g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ✓Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
| Spec | Galaxy S23 Ultra | Galaxy S24 Ultra |
|---|---|---|
| Wireless Charging | 15W | 15W |
| Qi Version | Qi | Qi |
| MagSafe | No | No |
| Built-in Magnets | No | No |
MagSafe cases are NOT cross-compatible between these devices — the case body is shaped to each phone, even though the internal magnet ring may be the same.
Upgrading from Galaxy S23 Ultra to Galaxy S24 Ultra?
Different sizes mean your old case probably won't fit. You'll need a new one.
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
Accessories for Galaxy S24 Ultra
Spigen
Spigen Tough Armor for Galaxy S24 Ultra
$17.99
Samsung
Samsung S-View Wallet Case for S24 Ultra
$64.99
TORRAS
TORRAS Slim Fit for Galaxy S24 Ultra
$16.99
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Frequently Asked Questions
Is Galaxy S23 Ultra bigger than Galaxy S24 Ultra?
Yes, the Galaxy S23 Ultra is 1.1mm taller and 0.9mm narrower. The Galaxy S23 Ultra weighs 234g vs 232g.
Are Galaxy S23 Ultra and Galaxy S24 Ultra the same size?
No, the height differs by 1.1mm, width by 0.9mm, and thickness by 0.3mm.