Device Size Comparison

Galaxy S23 Ultra vs iPhone 15

Size Comparison Summary

Galaxy S23 Ultra measures 78.1 × 163.4 × 8.9 mm and weighs 234 g. iPhone 15 measures 71.6 × 147.6 × 7.8 mm and weighs 171 g. By overall front-face area, Galaxy S23 Ultra is larger than iPhone 15 (about 2193.4 mm² difference). Galaxy S23 Ultra is 63 g heavier than iPhone 15. All figures use official millimeter dimensions.

Dimensions Table

Dimension	Galaxy S23 Ultra	iPhone 15	Difference
Width	78.1 mm	71.6 mm	-6.5 mm
Height	163.4 mm	147.6 mm	-15.8 mm
Thickness	8.9 mm	7.8 mm	-1.1 mm
Weight	234 g	171 g	-63 g

Which is Bigger?

Overall size (width × height): Galaxy S23 Ultra has the larger footprint at 78.1 × 163.4 mm vs 71.6 × 147.6 mm (+2193.38 mm² area).
Width: Galaxy S23 Ultra is wider (78.1 mm vs 71.6 mm, +6.5 mm).
Height: Galaxy S23 Ultra is taller (163.4 mm vs 147.6 mm, +15.8 mm).

Weight Comparison

Galaxy S23 Ultra weighs 234 g and iPhone 15 weighs 171 g — a difference of 63 g. Galaxy S23 Ultra is 36.8% heavier than iPhone 15.

Thickness Comparison

Galaxy S23 Ultra is 8.9 mm thick and iPhone 15 is 7.8 mm thick (+1.1 mm). Galaxy S23 Ultra is the thicker device in hand.

FAQ

Which is bigger, Galaxy S23 Ultra or iPhone 15?: Galaxy S23 Ultra has the larger overall footprint (78.1 × 163.4 mm) compared with iPhone 15 (71.6 × 147.6 mm).
How much heavier is Galaxy S23 Ultra than iPhone 15?: Galaxy S23 Ultra weighs 234 g and iPhone 15 weighs 171 g — a difference of 63 g.
Which device is thinner, Galaxy S23 Ultra or iPhone 15?: iPhone 15 is thinner at 7.8 mm vs 8.9 mm for Galaxy S23 Ultra.
What is the width difference between Galaxy S23 Ultra and iPhone 15?: Galaxy S23 Ultra is 78.1 mm wide and iPhone 15 is 71.6 mm wide (-6.5 mm).
Can I compare Galaxy S23 Ultra and iPhone 15 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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