Device Size Comparison

iPhone 15 Plus vs iPhone 17

Size Comparison Summary

iPhone 15 Plus measures 77.8 × 160.9 × 7.8 mm and weighs 201 g. iPhone 17 measures 71.5 × 149.6 × 7.95 mm and weighs 177 g. By overall front-face area, iPhone 15 Plus is larger than iPhone 17 (about 1821.6 mm² difference). iPhone 15 Plus is 24 g heavier than iPhone 17. All figures use official millimeter dimensions.

Dimensions Table

Dimension	iPhone 15 Plus	iPhone 17	Difference
Width	77.8 mm	71.5 mm	-6.3 mm
Height	160.9 mm	149.6 mm	-11.3 mm
Thickness	7.8 mm	7.95 mm	+0.15 mm
Weight	201 g	177 g	-24 g

Which is Bigger?

Overall size (width × height): iPhone 15 Plus has the larger footprint at 77.8 × 160.9 mm vs 71.5 × 149.6 mm (+1821.62 mm² area).
Width: iPhone 15 Plus is wider (77.8 mm vs 71.5 mm, +6.3 mm).
Height: iPhone 15 Plus is taller (160.9 mm vs 149.6 mm, +11.3 mm).

Weight Comparison

iPhone 15 Plus weighs 201 g and iPhone 17 weighs 177 g — a difference of 24 g. iPhone 15 Plus is 13.6% heavier than iPhone 17.

Thickness Comparison

iPhone 17 is 7.95 mm thick and iPhone 15 Plus is 7.8 mm thick (+0.15 mm). iPhone 17 is the thicker device in hand.

FAQ

Which is bigger, iPhone 15 Plus or iPhone 17?: iPhone 15 Plus has the larger overall footprint (77.8 × 160.9 mm) compared with iPhone 17 (71.5 × 149.6 mm).
How much heavier is iPhone 15 Plus than iPhone 17?: iPhone 15 Plus weighs 201 g and iPhone 17 weighs 177 g — a difference of 24 g.
Which device is thinner, iPhone 15 Plus or iPhone 17?: iPhone 15 Plus is thinner at 7.8 mm vs 7.95 mm for iPhone 17.
What is the width difference between iPhone 15 Plus and iPhone 17?: iPhone 15 Plus is 77.8 mm wide and iPhone 17 is 71.5 mm wide (-6.3 mm).
Can I compare iPhone 15 Plus and iPhone 17 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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Open iPhone 15 Plus and iPhone 17 in the comparison tool