Skip to content

iPhone 8 vs iPhone XS: Size & Dimensions Compared

The iPhone XS is the larger phone, measuring 5.2mm shorter and 3.6mm narrower.

Visual Size Overlay

iPhone 8iPhone XS
138.4mm143.6mm-5.2mm67.3mm70.9mm-3.6mm10mm
Height Δ
-5.2mm
Width Δ
-3.6mm
Thickness Δ
-0.4mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

Screen sizes differ (4.7" vs 5.8") — protector won't fit.

DimensioniPhone 8iPhone XSDifference
Height138.4mm143.6mmiPhone XS +5.2mm (taller)
Width67.3mm70.9mmiPhone XS +3.6mm (wider)
Thickness7.3mm7.7mmiPhone XS +0.4mm (thicker)
Weight148g177giPhone XS +29.0g (heavier)
Screen4.7"5.8"iPhone XS +1.1" (larger)

Visual Size Comparison

HeightiPhone XS +5.2mm
iPhone 8
138.4mm
iPhone XS
143.6mm
WidthiPhone XS +3.6mm
iPhone 8
67.3mm
iPhone XS
70.9mm
ThicknessiPhone XS +0.4mm
iPhone 8
7.3mm
iPhone XS
7.7mm

Button & Port Layout

Which is bigger?

The iPhone XS is the taller phone at 143.6mm (vs 138.4mm). It is also 29g 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 8iPhone 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 to iPhone XS?

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

As an Amazon Associate, WillItSnap earns from qualifying purchases.

Frequently Asked Questions

Is iPhone 8 bigger than iPhone XS?

No, the iPhone XS is 5.2mm taller. The iPhone 8 weighs 148g vs 177g.

Are iPhone 8 and iPhone XS the same size?

No, the height differs by 5.2mm, width by 3.6mm, and thickness by 0.4mm.