iPhone XS vs iPhone 8: Size & Dimensions Compared

The iPhone XS is the larger phone, measuring 5.2mm taller and 3.6mm wider.

DimensioniPhone XSiPhone 8Difference
Height143.6mm138.4mmiPhone XS +5.2mm
Width70.9mm67.3mmiPhone XS +3.6mm
Thickness7.7mm7.3mmiPhone XS +0.4mm
Weight177g148giPhone XS +29.0g
Screen5.8"4.7"iPhone XS +1.1"

Visual Size Comparison

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

Which is bigger?

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

Upgrading from iPhone XS to iPhone 8?

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 XS bigger than iPhone 8?

Yes, the iPhone XS is 5.2mm taller and 3.6mm wider. The iPhone XS weighs 177g vs 148g.

Are iPhone XS and iPhone 8 the same size?

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