Galaxy S23 Ultra vs iPhone 17 Pro Max: Size & Dimensions Compared
The Galaxy S23 Ultra and iPhone 17 Pro Max are nearly the same size, differing by just 0.0mm in height and 0.1mm in width.
Visual Size Overlay
- •Body dimensions are nearly identical, but the camera cutout is incompatible (vertical-quad vs horizontal-bar)
Edge types differ (curved vs flat) — screen protector won't adhere properly.
| Dimension | Galaxy S23 Ultra | iPhone 17 Pro Max | Difference |
|---|---|---|---|
| Height | 163.4mm | 163.4mm | Same |
| Width | 78.1mm | 78mm | iPhone 17 Pro Max -0.1mm (narrower) |
| Thickness | 8.9mm | 8.75mm | iPhone 17 Pro Max -0.2mm (thinner) |
| Weight | 234g | 233g | iPhone 17 Pro Max -1.0g (lighter) |
| Screen | 6.8" | 6.9" | iPhone 17 Pro Max +0.1" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S23 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 S23 Ultra via Qi, but it won't magnetically snap on.
- ✓Only the iPhone 17 Pro Max has built-in magnets for MagSafe accessories. The Galaxy S23 Ultra needs a magnetic case or ring adapter.
| Spec | Galaxy S23 Ultra | iPhone 17 Pro Max |
|---|---|---|
| Wireless Charging | 15W | 25W |
| Qi Version | Qi | Qi2 |
| MagSafe | No | Gen 2 |
| Built-in Magnets | No | Yes |
| Magnet Ring | unknown | 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 S23 Ultra
Spigen
Spigen Tough Armor for Galaxy S23 Ultra
$17.99
OtterBox
OtterBox Defender Series for Galaxy S23 Ultra
$64.95
TORRAS
TORRAS MarsClimber for Galaxy S23 Ultra
$19.99
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Frequently Asked Questions
Is Galaxy S23 Ultra bigger than iPhone 17 Pro Max?
They are the same height, but differ by 0.1mm in width. The Galaxy S23 Ultra weighs 234g vs 233g.
Are Galaxy S23 Ultra and iPhone 17 Pro Max the same size?
Very close — they differ by only 0.0mm in height and 0.1mm in width.