Galaxy A51 vs Galaxy S21 FE: Size & Dimensions Compared
The Galaxy A51 is the larger phone, measuring 2.8mm taller and 0.9mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Same screen size (6.4") but body width differs by 0.9mm — verify bezel alignment before buying.
| Dimension | Galaxy A51 | Galaxy S21 FE | Difference |
|---|---|---|---|
| Height | 158.5mm | 155.7mm | Galaxy S21 FE -2.8mm (shorter) |
| Width | 73.6mm | 74.5mm | Galaxy S21 FE +0.9mm (wider) |
| Thickness | 7.9mm | 7.9mm | Same |
| Weight | 172g | 177g | Galaxy S21 FE +5.0g (heavier) |
| Screen | 6.5" | 6.4" | Galaxy S21 FE -0.1" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy A51 is the taller phone at 158.5mm (vs 155.7mm). It but is 5g lighter.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The Galaxy A51 does not support wireless charging. Only the Galaxy S21 FE can use a wireless charger.
| Spec | Galaxy A51 | Galaxy S21 FE |
|---|---|---|
| Wireless Charging | No | 15W |
| Qi Version | — | 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 A51 to Galaxy S21 FE?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy A51
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Frequently Asked Questions
Is Galaxy A51 bigger than Galaxy S21 FE?
Yes, the Galaxy A51 is 2.8mm taller and 0.9mm narrower. The Galaxy A51 weighs 172g vs 177g.
Are Galaxy A51 and Galaxy S21 FE the same size?
No, the height differs by 2.8mm, width by 0.9mm, and thickness by 0.0mm.