iPhone 17 Pro Max vs Galaxy S23 Ultra: Size & Dimensions Compared
The iPhone 17 Pro Max and Galaxy S23 Ultra 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 (horizontal-bar vs vertical-quad)
Edge types differ (flat vs curved) — screen protector won't adhere properly.
| Dimension | iPhone 17 Pro Max | Galaxy S23 Ultra | Difference |
|---|---|---|---|
| Height | 163.4mm | 163.4mm | Same |
| Width | 78mm | 78.1mm | Galaxy S23 Ultra +0.1mm (wider) |
| Thickness | 8.75mm | 8.9mm | Galaxy S23 Ultra +0.2mm (thicker) |
| Weight | 233g | 234g | Galaxy S23 Ultra +1.0g (heavier) |
| Screen | 6.9" | 6.8" | Galaxy S23 Ultra -0.1" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The iPhone 17 Pro Max and Galaxy S23 Ultra 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 | iPhone 17 Pro Max | Galaxy S23 Ultra |
|---|---|---|
| Wireless Charging | 25W | 15W |
| Qi Version | Qi2 | Qi |
| MagSafe | Gen 2 | No |
| Built-in Magnets | Yes | No |
| Magnet Ring | bottom notched circle | unknown |
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 iPhone 17 Pro Max
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 iPhone 17 Pro Max bigger than Galaxy S23 Ultra?
They are the same height, but differ by 0.1mm in width. The iPhone 17 Pro Max weighs 233g vs 234g.
Are iPhone 17 Pro Max and Galaxy S23 Ultra the same size?
Very close — they differ by only 0.0mm in height and 0.1mm in width.