iPhone X vs iPhone SE (2nd gen): Size & Dimensions Compared

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

DimensioniPhone XiPhone SE (2nd gen)Difference
Height143.6mm138.4mmiPhone X +5.2mm
Width70.9mm67.3mmiPhone X +3.6mm
Thickness7.7mm7.3mmiPhone X +0.4mm
Weight174g148giPhone X +26.0g
Screen5.8"4.7"iPhone X +1.1"

Visual Size Comparison

HeightiPhone X +5.2mm
iPhone X
143.6mm
iPhone SE (2nd gen)
138.4mm
WidthiPhone X +3.6mm
iPhone X
70.9mm
iPhone SE (2nd gen)
67.3mm
ThicknessiPhone X +0.4mm
iPhone X
7.7mm
iPhone SE (2nd gen)
7.3mm

Which is bigger?

The iPhone X is the taller phone at 143.6mm (vs 138.4mm). It is also 26g heavier.

Upgrading from iPhone X to iPhone SE (2nd gen)?

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 X bigger than iPhone SE (2nd gen)?

Yes, the iPhone X is 5.2mm taller and 3.6mm wider. The iPhone X weighs 174g vs 148g.

Are iPhone X and iPhone SE (2nd gen) the same size?

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