What are the dimensions of Galaxy S23 Ultra?

The Galaxy S23 Ultra measures 163.4×78.1×8.9mm and weighs 234g.

What are the dimensions of iPhone 16 Pro Max?

The iPhone 16 Pro Max measures 163×77.6×8.25mm and weighs 227g.

Galaxy S23 Ultra vs iPhone 16 Pro Max: Size & Dimensions Compared

Q: Is Galaxy S23 Ultra bigger than iPhone 16 Pro Max?

Yes, the Galaxy S23 Ultra is 0.4mm taller and 0.5mm wider than the iPhone 16 Pro Max.

Q: Are Galaxy S23 Ultra and iPhone 16 Pro Max the same size?

Yes, the Galaxy S23 Ultra and iPhone 16 Pro Max are nearly the same size with minimal dimension differences.

The Galaxy S23 Ultra and iPhone 16 Pro Max are nearly the same size, differing by just 0.4mm in height and 0.5mm in width.

Visual Size Overlay

Galaxy S23 UltraiPhone 16 Pro Max

Height Δ

+0.4mm

Width Δ

+0.5mm

Thickness Δ

+0.7mm

Case CompatibilityWon't Fit

•Body dimensions are nearly identical, but the camera cutout is incompatible (vertical-quad vs square-triple)

Screen ProtectorNot Compatible

Edge types differ (curved vs flat) — screen protector won't adhere properly.

Dimension	Galaxy S23 Ultra	iPhone 16 Pro Max	Difference
Height	163.4mm	163mm	iPhone 16 Pro Max -0.4mm (shorter)
Width	78.1mm	77.6mm	iPhone 16 Pro Max -0.5mm (narrower)
Thickness	8.9mm	8.25mm	iPhone 16 Pro Max -0.7mm (thinner)
Weight	234g	227g	iPhone 16 Pro Max -7.0g (lighter)
Screen	6.8"	6.9"	iPhone 16 Pro Max +0.1" (larger)

Visual Size Comparison

HeightGalaxy S23 Ultra +0.4mm

Galaxy S23 Ultra

163.4mm

iPhone 16 Pro Max

163mm

WidthGalaxy S23 Ultra +0.5mm

Galaxy S23 Ultra

78.1mm

iPhone 16 Pro Max

77.6mm

ThicknessGalaxy S23 Ultra +0.7mm

Galaxy S23 Ultra

8.9mm

iPhone 16 Pro Max

8.25mm

Button & Port Layout

Which is bigger?

The Galaxy S23 Ultra and iPhone 16 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 16 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 16 Pro Max
Wireless Charging	15W	25W
Qi Version	Qi	Qi2
MagSafe	No	Gen 2
Built-in Magnets	No	Yes
Magnet Ring	unknown	closed 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.