Galaxy S25 Ultra vs iPhone 17 Pro Max: Size & Dimensions Compared
The Galaxy S25 Ultra and iPhone 17 Pro Max are nearly the same size, differing by just 0.6mm in height and 0.4mm in width.
Visual Size Overlay
- •Body dimensions are nearly identical, but the camera cutout is incompatible (vertical-quad vs horizontal-bar)
Same screen size (6.9") but body width differs by 0.4mm — verify bezel alignment before buying.
| Dimension | Galaxy S25 Ultra | iPhone 17 Pro Max | Difference |
|---|---|---|---|
| Height | 162.8mm | 163.4mm | iPhone 17 Pro Max +0.6mm (taller) |
| Width | 77.6mm | 78mm | iPhone 17 Pro Max +0.4mm (wider) |
| Thickness | 8.2mm | 8.75mm | iPhone 17 Pro Max +0.6mm (thicker) |
| Weight | 218g | 233g | iPhone 17 Pro Max +15.0g (heavier) |
| Screen | 6.9" | 6.9" | Same |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S25 Ultra and iPhone 17 Pro Max are essentially the same size.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ⚠Your MagSafe charger will charge the Galaxy S25 Ultra via Qi2, but it won't magnetically snap on without a magnetic case.
- ⚠The Galaxy S25 Ultra supports Qi2 but has no built-in magnets — magnetic accessories won't snap on without a magnetic case. The iPhone 17 Pro Max has built-in magnets.
| Spec | Galaxy S25 Ultra | iPhone 17 Pro Max |
|---|---|---|
| Wireless Charging | 15W | 25W |
| Qi Version | Qi2 | Qi2 |
| MagSafe | No | Gen 2 |
| Built-in Magnets | No | Yes |
| Magnet Ring | none built in | bottom notched circle |
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.
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 iPhone 17 Pro Max?
No, the iPhone 17 Pro Max is 0.6mm taller. The Galaxy S25 Ultra weighs 218g vs 233g.
Are Galaxy S25 Ultra and iPhone 17 Pro Max the same size?
Very close — they differ by only 0.6mm in height and 0.4mm in width.