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iPhone 8 Plus vs iPhone XS: Size & Dimensions Compared

The iPhone 8 Plus is the larger phone, measuring 14.8mm taller and 7.2mm wider.

Visual Size Overlay

iPhone 8 PlusiPhone XS
158.4mm143.6mm+14.8mm78.1mm70.9mm+7.2mm10mm
Height Δ
+14.8mm
Width Δ
+7.2mm
Thickness Δ
-0.2mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

Screen sizes differ (5.5" vs 5.8") — protector won't fit.

DimensioniPhone 8 PlusiPhone XSDifference
Height158.4mm143.6mmiPhone XS -14.8mm (shorter)
Width78.1mm70.9mmiPhone XS -7.2mm (narrower)
Thickness7.5mm7.7mmiPhone XS +0.2mm (thicker)
Weight202g177giPhone XS -25.0g (lighter)
Screen5.5"5.8"iPhone XS +0.3" (larger)

Visual Size Comparison

HeightiPhone 8 Plus +14.8mm
iPhone 8 Plus
158.4mm
iPhone XS
143.6mm
WidthiPhone 8 Plus +7.2mm
iPhone 8 Plus
78.1mm
iPhone XS
70.9mm
ThicknessiPhone XS +0.2mm
iPhone 8 Plus
7.5mm
iPhone XS
7.7mm

Button & Port Layout

Which is bigger?

The iPhone 8 Plus is the taller phone at 158.4mm (vs 143.6mm). It is also 25g 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 8 PlusiPhone XS
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 8 Plus to iPhone XS?

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 8 Plus bigger than iPhone XS?

Yes, the iPhone 8 Plus is 14.8mm taller and 7.2mm wider. The iPhone 8 Plus weighs 202g vs 177g.

Are iPhone 8 Plus and iPhone XS the same size?

No, the height differs by 14.8mm, width by 7.2mm, and thickness by 0.2mm.