iPhone X vs iPhone 12 Pro Max: Size & Dimensions Compared

The iPhone 12 Pro Max is the larger phone, measuring 17.2mm shorter and 7.2mm narrower.

DimensioniPhone XiPhone 12 Pro MaxDifference
Height143.6mm160.8mmiPhone 12 Pro Max +17.2mm
Width70.9mm78.1mmiPhone 12 Pro Max +7.2mm
Thickness7.7mm7.4mmiPhone X +0.3mm
Weight174g228giPhone 12 Pro Max +54.0g
Screen5.8"6.7"iPhone 12 Pro Max +0.9"

Visual Size Comparison

HeightiPhone 12 Pro Max +17.2mm
iPhone X
143.6mm
iPhone 12 Pro Max
160.8mm
WidthiPhone 12 Pro Max +7.2mm
iPhone X
70.9mm
iPhone 12 Pro Max
78.1mm
ThicknessiPhone X +0.3mm
iPhone X
7.7mm
iPhone 12 Pro Max
7.4mm

Which is bigger?

The iPhone 12 Pro Max is the taller phone at 160.8mm (vs 143.6mm). It is also 54g heavier.

Upgrading from iPhone X to iPhone 12 Pro Max?

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 Pro Max?

No, the iPhone 12 Pro Max is 17.2mm taller. The iPhone X weighs 174g vs 228g.

Are iPhone X and iPhone 12 Pro Max the same size?

No, the height differs by 17.2mm, width by 7.2mm, and thickness by 0.3mm.