Device Size Comparison

iPhone 15 vs iPhone 17 Pro

Size Comparison Summary

iPhone 15 measures 71.6 × 147.6 × 7.8 mm and weighs 171 g. iPhone 17 Pro measures 71.9 × 150 × 8.75 mm and weighs 206 g. By overall front-face area, iPhone 17 Pro is larger than iPhone 15 (about 216.8 mm² difference). iPhone 17 Pro is 35 g heavier than iPhone 15. All figures use official millimeter dimensions.

Dimensions Table

Dimension	iPhone 15	iPhone 17 Pro	Difference
Width	71.6 mm	71.9 mm	+0.3 mm
Height	147.6 mm	150 mm	+2.4 mm
Thickness	7.8 mm	8.75 mm	+0.95 mm
Weight	171 g	206 g	+35 g

Which is Bigger?

Overall size (width × height): iPhone 17 Pro has the larger footprint at 71.9 × 150 mm vs 71.6 × 147.6 mm (+216.84 mm² area).
Width: iPhone 17 Pro is wider (71.9 mm vs 71.6 mm, +0.3 mm).
Height: iPhone 17 Pro is taller (150 mm vs 147.6 mm, +2.4 mm).

Weight Comparison

iPhone 17 Pro weighs 206 g and iPhone 15 weighs 171 g — a difference of 35 g. iPhone 17 Pro is 20.5% heavier than iPhone 15.

Thickness Comparison

iPhone 17 Pro is 8.75 mm thick and iPhone 15 is 7.8 mm thick (+0.95 mm). iPhone 17 Pro is the thicker device in hand.

FAQ

Which is bigger, iPhone 15 or iPhone 17 Pro?: iPhone 17 Pro has the larger overall footprint (71.9 × 150 mm) compared with iPhone 15 (71.6 × 147.6 mm).
How much heavier is iPhone 17 Pro than iPhone 15?: iPhone 17 Pro weighs 206 g and iPhone 15 weighs 171 g — a difference of 35 g.
Which device is thinner, iPhone 15 or iPhone 17 Pro?: iPhone 15 is thinner at 7.8 mm vs 8.75 mm for iPhone 17 Pro.
What is the width difference between iPhone 15 and iPhone 17 Pro?: iPhone 15 is 71.6 mm wide and iPhone 17 Pro is 71.9 mm wide (+0.3 mm).
Can I compare iPhone 15 and iPhone 17 Pro visually?: Yes. Use the Sizology comparison tool to overlay or place both devices side by side at true millimeter scale with official dimensions.

Related Comparisons

Open iPhone 15 and iPhone 17 Pro in the comparison tool