Galaxy S21 vs Galaxy S25 FE: Size & Dimensions Compared
The Galaxy S25 FE is the larger phone, measuring 9.6mm shorter and 5.4mm narrower.
Visual Size Overlay
- •Height differs by 9.6mm — case won't fit
- •Width differs by 5.4mm — case won't fit
- •Thickness differs by 0.5mm — may affect fit
Screen sizes differ (6.2" vs 6.7") — protector won't fit.
| Dimension | Galaxy S21 | Galaxy S25 FE | Difference |
|---|---|---|---|
| Height | 151.7mm | 161.3mm | Galaxy S25 FE +9.6mm (taller) |
| Width | 71.2mm | 76.6mm | Galaxy S25 FE +5.4mm (wider) |
| Thickness | 7.9mm | 7.4mm | Galaxy S25 FE -0.5mm (thinner) |
| Weight | 169g | 190g | Galaxy S25 FE +21.0g (heavier) |
| Screen | 6.2" | 6.7" | Galaxy S25 FE +0.5" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S25 FE is the taller phone at 161.3mm (vs 151.7mm). It is also 21g 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 S21 | Galaxy S25 FE |
|---|---|---|
| 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 S21 to Galaxy S25 FE?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy S21
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Frequently Asked Questions
Is Galaxy S21 bigger than Galaxy S25 FE?
No, the Galaxy S25 FE is 9.6mm taller. The Galaxy S21 weighs 169g vs 190g.
Are Galaxy S21 and Galaxy S25 FE the same size?
No, the height differs by 9.6mm, width by 5.4mm, and thickness by 0.5mm.