OnePlus 9 vs Galaxy A55 5G: Size & Dimensions Compared
The Galaxy A55 5G is the larger phone, measuring 1.1mm shorter and 3.2mm narrower.
Visual Size Overlay
- •Height differs by 1.1mm — case won't fit
- •Width differs by 3.2mm — case won't fit
- •Thickness differs by 0.5mm — may affect fit
Same screen size (6.6") but body width differs by 3.2mm — verify bezel alignment before buying.
| Dimension | OnePlus 9 | Galaxy A55 5G | Difference |
|---|---|---|---|
| Height | 160mm | 161.1mm | Galaxy A55 5G +1.1mm (taller) |
| Width | 74.2mm | 77.4mm | Galaxy A55 5G +3.2mm (wider) |
| Thickness | 8.7mm | 8.2mm | Galaxy A55 5G -0.5mm (thinner) |
| Weight | 192g | 213g | Galaxy A55 5G +21.0g (heavier) |
| Screen | 6.55" | 6.6" | Same |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy A55 5G is the taller phone at 161.1mm (vs 160mm). It is also 21g heavier.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The Galaxy A55 5G does not support wireless charging. Only the OnePlus 9 can use a wireless charger.
| Spec | OnePlus 9 | Galaxy A55 5G |
|---|---|---|
| Wireless Charging | 10W | 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 OnePlus 9 to Galaxy A55 5G?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for OnePlus 9
As an Amazon Associate, WillItSnap earns from qualifying purchases.
Frequently Asked Questions
Is OnePlus 9 bigger than Galaxy A55 5G?
No, the Galaxy A55 5G is 1.1mm taller. The OnePlus 9 weighs 192g vs 213g.
Are OnePlus 9 and Galaxy A55 5G the same size?
No, the height differs by 1.1mm, width by 3.2mm, and thickness by 0.5mm.