Device Size Comparison

iPhone 15 Plus vs iPhone 17 Pro Max

Size Comparison Summary

iPhone 15 Plus measures 77.8 × 160.9 × 7.8 mm and weighs 201 g. iPhone 17 Pro Max measures 78 × 163.4 × 8.75 mm and weighs 233 g. By overall front-face area, iPhone 17 Pro Max is larger than iPhone 15 Plus (about 227.2 mm² difference). iPhone 17 Pro Max is 32 g heavier than iPhone 15 Plus. All figures use official millimeter dimensions.

Dimensions Table

Dimension	iPhone 15 Plus	iPhone 17 Pro Max	Difference
Width	77.8 mm	78 mm	+0.2 mm
Height	160.9 mm	163.4 mm	+2.5 mm
Thickness	7.8 mm	8.75 mm	+0.95 mm
Weight	201 g	233 g	+32 g

Which is Bigger?

Overall size (width × height): iPhone 17 Pro Max has the larger footprint at 78 × 163.4 mm vs 77.8 × 160.9 mm (+227.18 mm² area).
Width: iPhone 17 Pro Max is wider (78 mm vs 77.8 mm, +0.2 mm).
Height: iPhone 17 Pro Max is taller (163.4 mm vs 160.9 mm, +2.5 mm).

Weight Comparison

iPhone 17 Pro Max weighs 233 g and iPhone 15 Plus weighs 201 g — a difference of 32 g. iPhone 17 Pro Max is 15.9% heavier than iPhone 15 Plus.

Thickness Comparison

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

FAQ

Which is bigger, iPhone 15 Plus or iPhone 17 Pro Max?: iPhone 17 Pro Max has the larger overall footprint (78 × 163.4 mm) compared with iPhone 15 Plus (77.8 × 160.9 mm).
How much heavier is iPhone 17 Pro Max than iPhone 15 Plus?: iPhone 17 Pro Max weighs 233 g and iPhone 15 Plus weighs 201 g — a difference of 32 g.
Which device is thinner, iPhone 15 Plus or iPhone 17 Pro Max?: iPhone 15 Plus is thinner at 7.8 mm vs 8.75 mm for iPhone 17 Pro Max.
What is the width difference between iPhone 15 Plus and iPhone 17 Pro Max?: iPhone 15 Plus is 77.8 mm wide and iPhone 17 Pro Max is 78 mm wide (+0.2 mm).
Can I compare iPhone 15 Plus and iPhone 17 Pro Max 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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