iPhone SE (3rd gen) vs iPhone 17: Size & Dimensions Compared

The iPhone 17 is the larger phone, measuring 11.2mm shorter and 4.2mm narrower.

DimensioniPhone SE (3rd gen)iPhone 17Difference
Height138.4mm149.6mmiPhone 17 +11.2mm
Width67.3mm71.5mmiPhone 17 +4.2mm
Thickness7.3mm7.95mmiPhone 17 +0.7mm
Weight144g177giPhone 17 +33.0g
Screen4.7"6.3"iPhone 17 +1.6"

Visual Size Comparison

HeightiPhone 17 +11.2mm
iPhone SE (3rd gen)
138.4mm
iPhone 17
149.6mm
WidthiPhone 17 +4.2mm
iPhone SE (3rd gen)
67.3mm
iPhone 17
71.5mm
ThicknessiPhone 17 +0.7mm
iPhone SE (3rd gen)
7.3mm
iPhone 17
7.95mm

Which is bigger?

The iPhone 17 is the taller phone at 149.6mm (vs 138.4mm). It is also 33g heavier.

Upgrading from iPhone SE (3rd gen) to iPhone 17?

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 SE (3rd gen) bigger than iPhone 17?

No, the iPhone 17 is 11.2mm taller. The iPhone SE (3rd gen) weighs 144g vs 177g.

Are iPhone SE (3rd gen) and iPhone 17 the same size?

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