Device Size Comparison

iPhone 15 Plus vs iPhone 17 Air

Size Comparison Summary

iPhone 15 Plus measures 77.8 × 160.9 × 7.8 mm and weighs 201 g. iPhone 17 Air measures 74.7 × 156.2 × 5.64 mm and weighs 165 g. By overall front-face area, iPhone 15 Plus is larger than iPhone 17 Air (about 849.9 mm² difference). iPhone 15 Plus is 36 g heavier than iPhone 17 Air. All figures use official millimeter dimensions.

Dimensions Table

Dimension	iPhone 15 Plus	iPhone 17 Air	Difference
Width	77.8 mm	74.7 mm	-3.1 mm
Height	160.9 mm	156.2 mm	-4.7 mm
Thickness	7.8 mm	5.64 mm	-2.16 mm
Weight	201 g	165 g	-36 g

Which is Bigger?

Overall size (width × height): iPhone 15 Plus has the larger footprint at 77.8 × 160.9 mm vs 74.7 × 156.2 mm (+849.88 mm² area).
Width: iPhone 15 Plus is wider (77.8 mm vs 74.7 mm, +3.1 mm).
Height: iPhone 15 Plus is taller (160.9 mm vs 156.2 mm, +4.7 mm).

Weight Comparison

iPhone 15 Plus weighs 201 g and iPhone 17 Air weighs 165 g — a difference of 36 g. iPhone 15 Plus is 21.8% heavier than iPhone 17 Air.

Thickness Comparison

iPhone 15 Plus is 7.8 mm thick and iPhone 17 Air is 5.64 mm thick (+2.16 mm). iPhone 15 Plus is the thicker device in hand.

FAQ

Which is bigger, iPhone 15 Plus or iPhone 17 Air?: iPhone 15 Plus has the larger overall footprint (77.8 × 160.9 mm) compared with iPhone 17 Air (74.7 × 156.2 mm).
How much heavier is iPhone 15 Plus than iPhone 17 Air?: iPhone 15 Plus weighs 201 g and iPhone 17 Air weighs 165 g — a difference of 36 g.
Which device is thinner, iPhone 15 Plus or iPhone 17 Air?: iPhone 17 Air is thinner at 5.64 mm vs 7.8 mm for iPhone 15 Plus.
What is the width difference between iPhone 15 Plus and iPhone 17 Air?: iPhone 15 Plus is 77.8 mm wide and iPhone 17 Air is 74.7 mm wide (-3.1 mm).
Can I compare iPhone 15 Plus and iPhone 17 Air 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 Plus and iPhone 17 Air in the comparison tool