Device Size Comparison

iPhone 17 vs iPhone SE (3rd generation)

Size Comparison Summary

iPhone 17 measures 71.5 × 149.6 × 7.95 mm and weighs 177 g. iPhone SE (3rd generation) measures 67.3 × 138.4 × 7.3 mm and weighs 144 g. By overall front-face area, iPhone 17 is larger than iPhone SE (3rd generation) (about 1382.1 mm² difference). iPhone 17 is 33 g heavier than iPhone SE (3rd generation). All figures use official millimeter dimensions.

Dimensions Table

Dimension	iPhone 17	iPhone SE (3rd generation)	Difference
Width	71.5 mm	67.3 mm	-4.2 mm
Height	149.6 mm	138.4 mm	-11.2 mm
Thickness	7.95 mm	7.3 mm	-0.65 mm
Weight	177 g	144 g	-33 g

Which is Bigger?

Overall size (width × height): iPhone 17 has the larger footprint at 71.5 × 149.6 mm vs 67.3 × 138.4 mm (+1382.08 mm² area).
Width: iPhone 17 is wider (71.5 mm vs 67.3 mm, +4.2 mm).
Height: iPhone 17 is taller (149.6 mm vs 138.4 mm, +11.2 mm).

Weight Comparison

iPhone 17 weighs 177 g and iPhone SE (3rd generation) weighs 144 g — a difference of 33 g. iPhone 17 is 22.9% heavier than iPhone SE (3rd generation).

Thickness Comparison

iPhone 17 is 7.95 mm thick and iPhone SE (3rd generation) is 7.3 mm thick (+0.65 mm). iPhone 17 is the thicker device in hand.

FAQ

Which is bigger, iPhone 17 or iPhone SE (3rd generation)?: iPhone 17 has the larger overall footprint (71.5 × 149.6 mm) compared with iPhone SE (3rd generation) (67.3 × 138.4 mm).
How much heavier is iPhone 17 than iPhone SE (3rd generation)?: iPhone 17 weighs 177 g and iPhone SE (3rd generation) weighs 144 g — a difference of 33 g.
Which device is thinner, iPhone 17 or iPhone SE (3rd generation)?: iPhone SE (3rd generation) is thinner at 7.3 mm vs 7.95 mm for iPhone 17.
What is the width difference between iPhone 17 and iPhone SE (3rd generation)?: iPhone 17 is 71.5 mm wide and iPhone SE (3rd generation) is 67.3 mm wide (-4.2 mm).
Can I compare iPhone 17 and iPhone SE (3rd generation) visually?: Yes. Use the Sizology comparison tool to overlay or place both devices side by side at true millimeter scale with official dimensions.

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