Device Size Comparison

Galaxy S23 Ultra vs iPhone 17 Pro Max

Size Comparison Summary

Galaxy S23 Ultra measures 78.1 × 163.4 × 8.9 mm and weighs 234 g. iPhone 17 Pro Max measures 78 × 163.4 × 8.75 mm and weighs 233 g. By overall front-face area, Galaxy S23 Ultra is larger than iPhone 17 Pro Max (about 16.3 mm² difference). Galaxy S23 Ultra is 1 g heavier than iPhone 17 Pro Max. All figures use official millimeter dimensions.

Dimensions Table

Dimension	Galaxy S23 Ultra	iPhone 17 Pro Max	Difference
Width	78.1 mm	78 mm	-0.1 mm
Height	163.4 mm	163.4 mm	0 mm
Thickness	8.9 mm	8.75 mm	-0.15 mm
Weight	234 g	233 g	-1 g

Which is Bigger?

Overall size (width × height): Galaxy S23 Ultra has the larger footprint at 78.1 × 163.4 mm vs 78 × 163.4 mm (+16.34 mm² area).
Width: Galaxy S23 Ultra is wider (78.1 mm vs 78 mm, +0.1 mm).
Height: Galaxy S23 Ultra is taller (163.4 mm vs 163.4 mm, 0 mm).

Weight Comparison

Galaxy S23 Ultra weighs 234 g and iPhone 17 Pro Max weighs 233 g — a difference of 1 g. Galaxy S23 Ultra is 0.4% heavier than iPhone 17 Pro Max.

Thickness Comparison

Galaxy S23 Ultra is 8.9 mm thick and iPhone 17 Pro Max is 8.75 mm thick (+0.15 mm). Galaxy S23 Ultra is the thicker device in hand.

FAQ

Which is bigger, Galaxy S23 Ultra or iPhone 17 Pro Max?: Galaxy S23 Ultra has the larger overall footprint (78.1 × 163.4 mm) compared with iPhone 17 Pro Max (78 × 163.4 mm).
How much heavier is Galaxy S23 Ultra than iPhone 17 Pro Max?: Galaxy S23 Ultra weighs 234 g and iPhone 17 Pro Max weighs 233 g — a difference of 1 g.
Which device is thinner, Galaxy S23 Ultra or iPhone 17 Pro Max?: iPhone 17 Pro Max is thinner at 8.75 mm vs 8.9 mm for Galaxy S23 Ultra.
What is the width difference between Galaxy S23 Ultra and iPhone 17 Pro Max?: Galaxy S23 Ultra is 78.1 mm wide and iPhone 17 Pro Max is 78 mm wide (-0.1 mm).
Can I compare Galaxy S23 Ultra 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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