Galaxy Z Flip 4 vs Galaxy A51: Size & Dimensions Compared
The Galaxy A51 is the larger phone, measuring 73.6mm shorter and 1.7mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (6.7" vs 6.5") — protector won't fit.
| Dimension | Galaxy Z Flip 4 | Galaxy A51 | Difference |
|---|---|---|---|
| Height | 84.9mm | 158.5mm | Galaxy A51 +73.6mm (taller) |
| Width | 71.9mm | 73.6mm | Galaxy A51 +1.7mm (wider) |
| Thickness | 17.1mm | 7.9mm | Galaxy A51 -9.2mm (thinner) |
| Weight | 187g | 172g | Galaxy A51 -15.0g (lighter) |
| Screen | 6.7" | 6.5" | Galaxy A51 -0.2" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy A51 is the taller phone at 158.5mm (vs 84.9mm). It but is 15g heavier.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The Galaxy A51 does not support wireless charging. Only the Galaxy Z Flip 4 can use a wireless charger.
| Spec | Galaxy Z Flip 4 | Galaxy A51 |
|---|---|---|
| Wireless Charging | 15W | No |
| 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 Z Flip 4 to Galaxy A51?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy Z Flip 4
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Frequently Asked Questions
Is Galaxy Z Flip 4 bigger than Galaxy A51?
No, the Galaxy A51 is 73.6mm taller. The Galaxy Z Flip 4 weighs 187g vs 172g.
Are Galaxy Z Flip 4 and Galaxy A51 the same size?
No, the height differs by 73.6mm, width by 1.7mm, and thickness by 9.2mm.