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iPhone X vs iPhone XS Max: Size & Dimensions Compared

The iPhone XS Max is the larger phone, measuring 13.9mm shorter and 6.5mm narrower.

Visual Size Overlay

iPhone XiPhone XS Max
143.6mm157.5mm-13.9mm70.9mm77.4mm-6.5mm10mm
Height Δ
-13.9mm
Width Δ
-6.5mm
Thickness Δ
Same
Case CompatibilityWon't Fit
  • Height differs by 13.9mm — case won't fit
  • Width differs by 6.5mm — case won't fit
Screen ProtectorNot Compatible

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

DimensioniPhone XiPhone XS MaxDifference
Height143.6mm157.5mmiPhone XS Max +13.9mm (taller)
Width70.9mm77.4mmiPhone XS Max +6.5mm (wider)
Thickness7.7mm7.7mmSame
Weight174g208giPhone XS Max +34.0g (heavier)
Screen5.8"6.5"iPhone XS Max +0.7" (larger)

Visual Size Comparison

HeightiPhone XS Max +13.9mm
iPhone X
143.6mm
iPhone XS Max
157.5mm
WidthiPhone XS Max +6.5mm
iPhone X
70.9mm
iPhone XS Max
77.4mm
ThicknessSame
iPhone X
7.7mm
iPhone XS Max
7.7mm

Button & Port Layout

Which is bigger?

The iPhone XS Max is the taller phone at 157.5mm (vs 143.6mm). It is also 34g 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 XS 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 XS 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 XS Max?

No, the iPhone XS Max is 13.9mm taller. The iPhone X weighs 174g vs 208g.

Are iPhone X and iPhone XS Max the same size?

No, the height differs by 13.9mm, width by 6.5mm, and thickness by 0.0mm.