OnePlus Open vs Galaxy S25 Ultra: Size & Dimensions Compared
The Galaxy S25 Ultra is the larger phone, measuring 9.4mm shorter and 4.3mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (6.31" vs 6.9") — protector won't fit.
| Dimension | OnePlus Open | Galaxy S25 Ultra | Difference |
|---|---|---|---|
| Height | 153.4mm | 162.8mm | Galaxy S25 Ultra +9.4mm (taller) |
| Width | 73.3mm | 77.6mm | Galaxy S25 Ultra +4.3mm (wider) |
| Thickness | 11.7mm | 8.2mm | Galaxy S25 Ultra -3.5mm (thinner) |
| Weight | 239g | 218g | Galaxy S25 Ultra -21.0g (lighter) |
| Screen | 6.31" | 6.9" | Galaxy S25 Ultra +0.6" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S25 Ultra is the taller phone at 162.8mm (vs 153.4mm). It but is 21g heavier.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The OnePlus Open does not support wireless charging. Only the Galaxy S25 Ultra can use a wireless charger.
| Spec | OnePlus Open | Galaxy S25 Ultra |
|---|---|---|
| Wireless Charging | No | 15W |
| Qi Version | — | Qi2 |
| MagSafe | No | No |
| Built-in Magnets | No | No |
| Magnet Ring | none | none built in |
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 Open to Galaxy S25 Ultra?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for OnePlus Open
Accessories for Galaxy S25 Ultra
Spigen
Spigen Tough Armor for Galaxy S25 Ultra
$18.99
Samsung
Samsung Silicone Case for Galaxy S25 Ultra
$39.99
OtterBox
OtterBox Symmetry for Galaxy S25 Ultra
$49.95
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Frequently Asked Questions
Is OnePlus Open bigger than Galaxy S25 Ultra?
No, the Galaxy S25 Ultra is 9.4mm taller. The OnePlus Open weighs 239g vs 218g.
Are OnePlus Open and Galaxy S25 Ultra the same size?
No, the height differs by 9.4mm, width by 4.3mm, and thickness by 3.5mm.