Galaxy S21 vs Galaxy S25 Edge: Size & Dimensions Compared
The Galaxy S25 Edge is the larger phone, measuring 6.5mm shorter and 4.4mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (6.2" vs 6.7") — protector won't fit.
| Dimension | Galaxy S21 | Galaxy S25 Edge | Difference |
|---|---|---|---|
| Height | 151.7mm | 158.2mm | Galaxy S25 Edge +6.5mm (taller) |
| Width | 71.2mm | 75.6mm | Galaxy S25 Edge +4.4mm (wider) |
| Thickness | 7.9mm | 5.8mm | Galaxy S25 Edge -2.1mm (thinner) |
| Weight | 169g | 163g | Galaxy S25 Edge -6.0g (lighter) |
| Screen | 6.2" | 6.7" | Galaxy S25 Edge +0.5" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S25 Edge is the taller phone at 158.2mm (vs 151.7mm). It but is 6g 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 Edge |
|---|---|---|
| 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 Edge?
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 Edge?
No, the Galaxy S25 Edge is 6.5mm taller. The Galaxy S21 weighs 169g vs 163g.
Are Galaxy S21 and Galaxy S25 Edge the same size?
No, the height differs by 6.5mm, width by 4.4mm, and thickness by 2.1mm.