Galaxy S23 Ultra vs Galaxy S20 Ultra: Size & Dimensions Compared
The Galaxy S20 Ultra is the larger phone, measuring 3.5mm shorter and 2.1mm wider.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes are close (6.8" vs 6.9") but may not align perfectly.
| Dimension | Galaxy S23 Ultra | Galaxy S20 Ultra | Difference |
|---|---|---|---|
| Height | 163.4mm | 166.9mm | Galaxy S20 Ultra +3.5mm (taller) |
| Width | 78.1mm | 76mm | Galaxy S20 Ultra -2.1mm (narrower) |
| Thickness | 8.9mm | 8.8mm | Galaxy S20 Ultra -0.1mm (thinner) |
| Weight | 234g | 220g | Galaxy S20 Ultra -14.0g (lighter) |
| Screen | 6.8" | 6.9" | Galaxy S20 Ultra +0.1" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S20 Ultra is the taller phone at 166.9mm (vs 163.4mm). It but is 14g 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 S20 Ultra |
|---|---|---|
| Wireless Charging | 15W | 10W |
| 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 S20 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
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Frequently Asked Questions
Is Galaxy S23 Ultra bigger than Galaxy S20 Ultra?
No, the Galaxy S20 Ultra is 3.5mm taller. The Galaxy S23 Ultra weighs 234g vs 220g.
Are Galaxy S23 Ultra and Galaxy S20 Ultra the same size?
No, the height differs by 3.5mm, width by 2.1mm, and thickness by 0.1mm.