Galaxy S21 Ultra vs Galaxy A56: Size & Dimensions Compared
The Galaxy S21 Ultra is the larger phone, measuring 2.9mm taller and 1.9mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Edge types differ (curved vs flat) — screen protector won't adhere properly.
| Dimension | Galaxy S21 Ultra | Galaxy A56 | Difference |
|---|---|---|---|
| Height | 165.1mm | 162.2mm | Galaxy A56 -2.9mm (shorter) |
| Width | 75.6mm | 77.5mm | Galaxy A56 +1.9mm (wider) |
| Thickness | 8.9mm | 7.4mm | Galaxy A56 -1.5mm (thinner) |
| Weight | 227g | 198g | Galaxy A56 -29.0g (lighter) |
| Screen | 6.8" | 6.7" | Galaxy A56 -0.1" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S21 Ultra is the taller phone at 165.1mm (vs 162.2mm). It is also 29g heavier.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The Galaxy A56 does not support wireless charging. Only the Galaxy S21 Ultra can use a wireless charger.
| Spec | Galaxy S21 Ultra | Galaxy A56 |
|---|---|---|
| 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 S21 Ultra to Galaxy A56?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy S21 Ultra
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Frequently Asked Questions
Is Galaxy S21 Ultra bigger than Galaxy A56?
Yes, the Galaxy S21 Ultra is 2.9mm taller and 1.9mm narrower. The Galaxy S21 Ultra weighs 227g vs 198g.
Are Galaxy S21 Ultra and Galaxy A56 the same size?
No, the height differs by 2.9mm, width by 1.9mm, and thickness by 1.5mm.