iPhone 17 vs iPhone SE (2nd gen): Size & Dimensions Compared

The iPhone 17 is the larger phone, measuring 11.2mm taller and 4.2mm wider.

DimensioniPhone 17iPhone SE (2nd gen)Difference
Height149.6mm138.4mmiPhone 17 +11.2mm
Width71.5mm67.3mmiPhone 17 +4.2mm
Thickness7.95mm7.3mmiPhone 17 +0.7mm
Weight177g148giPhone 17 +29.0g
Screen6.3"4.7"iPhone 17 +1.6"

Visual Size Comparison

HeightiPhone 17 +11.2mm
iPhone 17
149.6mm
iPhone SE (2nd gen)
138.4mm
WidthiPhone 17 +4.2mm
iPhone 17
71.5mm
iPhone SE (2nd gen)
67.3mm
ThicknessiPhone 17 +0.7mm
iPhone 17
7.95mm
iPhone SE (2nd gen)
7.3mm

Which is bigger?

The iPhone 17 is the taller phone at 149.6mm (vs 138.4mm). It is also 29g heavier.

Upgrading from iPhone 17 to iPhone SE (2nd gen)?

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 17 bigger than iPhone SE (2nd gen)?

Yes, the iPhone 17 is 11.2mm taller and 4.2mm wider. The iPhone 17 weighs 177g vs 148g.

Are iPhone 17 and iPhone SE (2nd gen) the same size?

No, the height differs by 11.2mm, width by 4.2mm, and thickness by 0.7mm.