Galaxy S25+ vs Galaxy S20 Ultra: Size & Dimensions Compared
The Galaxy S20 Ultra is the larger phone, measuring 8.5mm shorter and 0.2mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Edge types differ (flat vs curved) — screen protector won't adhere properly.
| Dimension | Galaxy S25+ | Galaxy S20 Ultra | Difference |
|---|---|---|---|
| Height | 158.4mm | 166.9mm | Galaxy S20 Ultra +8.5mm (taller) |
| Width | 75.8mm | 76mm | Galaxy S20 Ultra +0.2mm (wider) |
| Thickness | 7.3mm | 8.8mm | Galaxy S20 Ultra +1.5mm (thicker) |
| Weight | 190g | 220g | Galaxy S20 Ultra +30.0g (heavier) |
| Screen | 6.7" | 6.9" | Galaxy S20 Ultra +0.2" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S20 Ultra is the taller phone at 166.9mm (vs 158.4mm). It is also 30g 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 S25+ | Galaxy S20 Ultra |
|---|---|---|
| Wireless Charging | 15W | 10W |
| Qi Version | Qi2 | Qi |
| MagSafe | No | No |
| Built-in Magnets | No | No |
| Magnet Ring | none built in | unknown |
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 S25+ to Galaxy S20 Ultra?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy S25+
Spigen
Spigen Liquid Air for Galaxy S25+
$15.99
Spigen
Spigen Ultra Hybrid for Galaxy S25+
$16.99
OtterBox
OtterBox Defender Series for Galaxy S25+
$64.95
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Frequently Asked Questions
Is Galaxy S25+ bigger than Galaxy S20 Ultra?
No, the Galaxy S20 Ultra is 8.5mm taller. The Galaxy S25+ weighs 190g vs 220g.
Are Galaxy S25+ and Galaxy S20 Ultra the same size?
No, the height differs by 8.5mm, width by 0.2mm, and thickness by 1.5mm.