iPhone 8 vs iPhone XS: Size & Dimensions Compared

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

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

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

Which is bigger?

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

Upgrading from iPhone 8 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 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.