Device Size Comparison

Galaxy S23 Ultra vs iPhone 15 Pro Max

Size Comparison Summary

Galaxy S23 Ultra measures 78.1 × 163.4 × 8.9 mm and weighs 234 g. iPhone 15 Pro Max measures 76.7 × 159.9 × 8.25 mm and weighs 221 g. By overall front-face area, Galaxy S23 Ultra is larger than iPhone 15 Pro Max (about 497.2 mm² difference). Galaxy S23 Ultra is 13 g heavier than iPhone 15 Pro Max. All figures use official millimeter dimensions.

Dimensions Table

Dimension	Galaxy S23 Ultra	iPhone 15 Pro Max	Difference
Width	78.1 mm	76.7 mm	-1.4 mm
Height	163.4 mm	159.9 mm	-3.5 mm
Thickness	8.9 mm	8.25 mm	-0.65 mm
Weight	234 g	221 g	-13 g

Which is Bigger?

Overall size (width × height): Galaxy S23 Ultra has the larger footprint at 78.1 × 163.4 mm vs 76.7 × 159.9 mm (+497.21 mm² area).
Width: Galaxy S23 Ultra is wider (78.1 mm vs 76.7 mm, +1.4 mm).
Height: Galaxy S23 Ultra is taller (163.4 mm vs 159.9 mm, +3.5 mm).

Weight Comparison

Galaxy S23 Ultra weighs 234 g and iPhone 15 Pro Max weighs 221 g — a difference of 13 g. Galaxy S23 Ultra is 5.9% heavier than iPhone 15 Pro Max.

Thickness Comparison

Galaxy S23 Ultra is 8.9 mm thick and iPhone 15 Pro Max is 8.25 mm thick (+0.65 mm). Galaxy S23 Ultra is the thicker device in hand.

FAQ

Which is bigger, Galaxy S23 Ultra or iPhone 15 Pro Max?: Galaxy S23 Ultra has the larger overall footprint (78.1 × 163.4 mm) compared with iPhone 15 Pro Max (76.7 × 159.9 mm).
How much heavier is Galaxy S23 Ultra than iPhone 15 Pro Max?: Galaxy S23 Ultra weighs 234 g and iPhone 15 Pro Max weighs 221 g — a difference of 13 g.
Which device is thinner, Galaxy S23 Ultra or iPhone 15 Pro Max?: iPhone 15 Pro Max is thinner at 8.25 mm vs 8.9 mm for Galaxy S23 Ultra.
What is the width difference between Galaxy S23 Ultra and iPhone 15 Pro Max?: Galaxy S23 Ultra is 78.1 mm wide and iPhone 15 Pro Max is 76.7 mm wide (-1.4 mm).
Can I compare Galaxy S23 Ultra and iPhone 15 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.

Related Comparisons

Open Galaxy S23 Ultra and iPhone 15 Pro Max in the comparison tool