Galaxy S25 Ultra vs OnePlus Open: Size & Dimensions Compared
The Galaxy S25 Ultra is the larger phone, measuring 9.4mm taller and 4.3mm wider.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (6.9" vs 6.31") — protector won't fit.
| Dimension | Galaxy S25 Ultra | OnePlus Open | Difference |
|---|---|---|---|
| Height | 162.8mm | 153.4mm | OnePlus Open -9.4mm (shorter) |
| Width | 77.6mm | 73.3mm | OnePlus Open -4.3mm (narrower) |
| Thickness | 8.2mm | 11.7mm | OnePlus Open +3.5mm (thicker) |
| Weight | 218g | 239g | OnePlus Open +21.0g (heavier) |
| Screen | 6.9" | 6.31" | OnePlus Open -0.6" (smaller) |
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 lighter.
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 | Galaxy S25 Ultra | OnePlus Open |
|---|---|---|
| Wireless Charging | 15W | No |
| Qi Version | Qi2 | — |
| MagSafe | No | No |
| Built-in Magnets | No | No |
| Magnet Ring | none built in | none |
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 S25 Ultra to OnePlus Open?
Different sizes mean your old case probably won't fit. You'll need a new one.
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 Galaxy S25 Ultra bigger than OnePlus Open?
Yes, the Galaxy S25 Ultra is 9.4mm taller and 4.3mm wider. The Galaxy S25 Ultra weighs 218g vs 239g.
Are Galaxy S25 Ultra and OnePlus Open the same size?
No, the height differs by 9.4mm, width by 4.3mm, and thickness by 3.5mm.