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iPhone X vs iPhone 11 Pro Max: Size & Dimensions Compared

The iPhone 11 Pro Max is the larger phone, measuring 14.4mm shorter and 6.9mm narrower.

Visual Size Overlay

iPhone XiPhone 11 Pro Max
143.6mm158mm-14.4mm70.9mm77.8mm-6.9mm10mm
Height Δ
-14.4mm
Width Δ
-6.9mm
Thickness Δ
-0.4mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

Screen sizes differ (5.8" vs 6.5") — protector won't fit.

DimensioniPhone XiPhone 11 Pro MaxDifference
Height143.6mm158mmiPhone 11 Pro Max +14.4mm (taller)
Width70.9mm77.8mmiPhone 11 Pro Max +6.9mm (wider)
Thickness7.7mm8.1mmiPhone 11 Pro Max +0.4mm (thicker)
Weight174g226giPhone 11 Pro Max +52.0g (heavier)
Screen5.8"6.5"iPhone 11 Pro Max +0.7" (larger)

Visual Size Comparison

HeightiPhone 11 Pro Max +14.4mm
iPhone X
143.6mm
iPhone 11 Pro Max
158mm
WidthiPhone 11 Pro Max +6.9mm
iPhone X
70.9mm
iPhone 11 Pro Max
77.8mm
ThicknessiPhone 11 Pro Max +0.4mm
iPhone X
7.7mm
iPhone 11 Pro Max
8.1mm

Button & Port Layout

Which is bigger?

The iPhone 11 Pro Max is the taller phone at 158mm (vs 143.6mm). It is also 52g heavier.

Wireless Charging & MagSafe Compatibility

Wireless chargers work with both phones, but magnetic snap varies.

  • Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
SpeciPhone XiPhone 11 Pro Max
Wireless Charging7.5W7.5W
Qi VersionQiQi
MagSafeNoNo
Built-in MagnetsNoNo

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 iPhone X to iPhone 11 Pro Max?

Different sizes mean your old case probably won't fit. You'll need a new one.

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Frequently Asked Questions

Is iPhone X bigger than iPhone 11 Pro Max?

No, the iPhone 11 Pro Max is 14.4mm taller. The iPhone X weighs 174g vs 226g.

Are iPhone X and iPhone 11 Pro Max the same size?

No, the height differs by 14.4mm, width by 6.9mm, and thickness by 0.4mm.