Device Size Comparison

Galaxy S23 Ultra vs iPhone 17

Size Comparison Summary

Galaxy S23 Ultra measures 78.1 × 163.4 × 8.9 mm and weighs 234 g. iPhone 17 measures 71.5 × 149.6 × 7.95 mm and weighs 177 g. By overall front-face area, Galaxy S23 Ultra is larger than iPhone 17 (about 2065.1 mm² difference). Galaxy S23 Ultra is 57 g heavier than iPhone 17. All figures use official millimeter dimensions.

Dimensions Table

Dimension	Galaxy S23 Ultra	iPhone 17	Difference
Width	78.1 mm	71.5 mm	-6.6 mm
Height	163.4 mm	149.6 mm	-13.8 mm
Thickness	8.9 mm	7.95 mm	-0.95 mm
Weight	234 g	177 g	-57 g

Which is Bigger?

Overall size (width × height): Galaxy S23 Ultra has the larger footprint at 78.1 × 163.4 mm vs 71.5 × 149.6 mm (+2065.14 mm² area).
Width: Galaxy S23 Ultra is wider (78.1 mm vs 71.5 mm, +6.6 mm).
Height: Galaxy S23 Ultra is taller (163.4 mm vs 149.6 mm, +13.8 mm).

Weight Comparison

Galaxy S23 Ultra weighs 234 g and iPhone 17 weighs 177 g — a difference of 57 g. Galaxy S23 Ultra is 32.2% heavier than iPhone 17.

Thickness Comparison

Galaxy S23 Ultra is 8.9 mm thick and iPhone 17 is 7.95 mm thick (+0.95 mm). Galaxy S23 Ultra is the thicker device in hand.

FAQ

Which is bigger, Galaxy S23 Ultra or iPhone 17?: Galaxy S23 Ultra has the larger overall footprint (78.1 × 163.4 mm) compared with iPhone 17 (71.5 × 149.6 mm).
How much heavier is Galaxy S23 Ultra than iPhone 17?: Galaxy S23 Ultra weighs 234 g and iPhone 17 weighs 177 g — a difference of 57 g.
Which device is thinner, Galaxy S23 Ultra or iPhone 17?: iPhone 17 is thinner at 7.95 mm vs 8.9 mm for Galaxy S23 Ultra.
What is the width difference between Galaxy S23 Ultra and iPhone 17?: Galaxy S23 Ultra is 78.1 mm wide and iPhone 17 is 71.5 mm wide (-6.6 mm).
Can I compare Galaxy S23 Ultra and iPhone 17 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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