Galaxy S25 vs Galaxy S20: Size & Dimensions Compared
The Galaxy S20 is the larger phone, measuring 4.8mm shorter and 1.4mm wider.
Visual Size Overlay
- •Height differs by 4.8mm — case won't fit
- •Width differs by 1.4mm — case won't fit
- •0.7mm thicker — case won't close properly
Edge types differ (flat vs curved) — screen protector won't adhere properly.
| Dimension | Galaxy S25 | Galaxy S20 | Difference |
|---|---|---|---|
| Height | 146.9mm | 151.7mm | Galaxy S20 +4.8mm (taller) |
| Width | 70.5mm | 69.1mm | Galaxy S20 -1.4mm (narrower) |
| Thickness | 7.2mm | 7.9mm | Galaxy S20 +0.7mm (thicker) |
| Weight | 162g | 163g | Galaxy S20 +1.0g (heavier) |
| Screen | 6.2" | 6.2" | Same |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S20 is the taller phone at 151.7mm (vs 146.9mm). It is also 1g 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 |
|---|---|---|
| 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?
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
$14.99
Samsung
Samsung Galaxy S25 Silicone Case
$29.99
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Frequently Asked Questions
Is Galaxy S25 bigger than Galaxy S20?
No, the Galaxy S20 is 4.8mm taller. The Galaxy S25 weighs 162g vs 163g.
Are Galaxy S25 and Galaxy S20 the same size?
No, the height differs by 4.8mm, width by 1.4mm, and thickness by 0.7mm.