iPhone X vs iPhone 12: Size & Dimensions Compared

The iPhone 12 is the larger phone, measuring 3.1mm shorter and 0.6mm narrower.

DimensioniPhone XiPhone 12Difference
Height143.6mm146.7mmiPhone 12 +3.1mm
Width70.9mm71.5mmiPhone 12 +0.6mm
Thickness7.7mm7.4mmiPhone X +0.3mm
Weight174g164giPhone X +10.0g
Screen5.8"6.1"iPhone 12 +0.3"

Visual Size Comparison

HeightiPhone 12 +3.1mm
iPhone X
143.6mm
iPhone 12
146.7mm
WidthiPhone 12 +0.6mm
iPhone X
70.9mm
iPhone 12
71.5mm
ThicknessiPhone X +0.3mm
iPhone X
7.7mm
iPhone 12
7.4mm

Which is bigger?

The iPhone 12 is the taller phone at 146.7mm (vs 143.6mm). It but is 10g heavier.

Upgrading from iPhone X to iPhone 12?

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 12?

No, the iPhone 12 is 3.1mm taller. The iPhone X weighs 174g vs 164g.

Are iPhone X and iPhone 12 the same size?

No, the height differs by 3.1mm, width by 0.6mm, and thickness by 0.3mm.