Which phone is lighter?

iPhone 15 is lighter at 171 g versus Galaxy S25 Ultra at 218 g (47 g difference).

Which phone is thinner?

iPhone 15 is thinner at 7.8 mm compared with Galaxy S25 Ultra at 8.2 mm (0.40 mm difference).

Which phone is easier to carry?

iPhone 15 is easier to carry with a smaller overall body size (71.6 × 147.6 × 7.8 mm, 171 g) than Galaxy S25 Ultra (77.6 × 162.8 × 8.2 mm, 218 g).

Which phone is better for one-handed use?

iPhone 15 is better for one-handed use with a 71.6 mm width, 147.6 mm height, and 171 g weight versus Galaxy S25 Ultra at 77.6 mm, 162.8 mm, and 218 g.

Device Size Comparison

Galaxy S25 Ultra vs iPhone 15

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Comparison Summary

Galaxy S25 Ultra is significantly wider than iPhone 15 (77.6 mm vs 71.6 mm), Galaxy S25 Ultra is significantly heavier (218 g vs 171 g), and Galaxy S25 Ultra is slightly thicker (8.2 mm vs 7.8 mm). Galaxy S25 Ultra is 6 mm wider and 15.2 mm taller than iPhone 15, making Galaxy S25 Ultra significa...

Winner Cards

Smaller body

iPhone 15

iPhone 15 (71.6 × 147.6 mm) vs Galaxy S25 Ultra (77.6 × 162.8 mm).

Lighter weight

iPhone 15

iPhone 15 (171 g) vs Galaxy S25 Ultra (218 g), 47 g lighter.

Thinner design

iPhone 15

iPhone 15 (7.8 mm) vs Galaxy S25 Ultra (8.2 mm).

Pocketability

iPhone 15

iPhone 15 has a smaller overall body size for pocket carry (71.6 × 147.6 × 7.8 mm).

Larger overall size

Galaxy S25 Ultra

Galaxy S25 Ultra is 6 mm wider and 15.2 mm taller than iPhone 15 (77.6 × 162.8 mm vs 71.6 × 147.6 mm).

Dimensions Table

Dimension	Galaxy S25 Ultra	iPhone 15	Difference
Width	77.6 mm	71.6 mm	-6 mm
Height	162.8 mm	147.6 mm	-15.2 mm
Thickness	8.2 mm	7.8 mm	-0.4 mm
Weight	218 g	171 g	-47 g

Real-World Feel

iPhone 15 is easier to grip one-handed with a 71.6 mm width and 147.6 mm height, while Galaxy S25 Ultra may require more finger stretching (77.6 mm × 162.8 mm).
iPhone 15 slides into pockets more comfortably at 7.8 mm thick, and iPhone 15 has the smaller overall body for vertical pocket storage.
iPhone 15 (171 g) feels noticeably lighter during extended one-handed use than Galaxy S25 Ultra (218 g), a 47 g difference that adds up over time.
Galaxy S25 Ultra takes up more desk and bag space at 77.6 × 162.8 × 8.2 mm, while iPhone 15 leaves more room for cases, chargers, and other items.

Which is Bigger?

Overall size: Galaxy S25 Ultra is 6 mm wider and 15.2 mm taller than iPhone 15, making Galaxy S25 Ultra significantly larger overall.
Width: Galaxy S25 Ultra is wider (77.6 mm vs 71.6 mm, +6 mm).
Height: Galaxy S25 Ultra is taller (162.8 mm vs 147.6 mm, +15.2 mm).

Weight Comparison

Galaxy S25 Ultra weighs 218 g and iPhone 15 weighs 171 g — a difference of 47 g. Galaxy S25 Ultra is 27.5% heavier than iPhone 15.

Thickness Comparison

Galaxy S25 Ultra is 8.2 mm thick and iPhone 15 is 7.8 mm thick (+0.4 mm). Galaxy S25 Ultra is the thicker device in hand.

FAQ

Which phone is bigger?: Galaxy S25 Ultra is 6 mm wider and 15.2 mm taller than iPhone 15 (77.6 × 162.8 mm vs 71.6 × 147.6 mm).
Which phone is lighter?: iPhone 15 is lighter at 171 g versus Galaxy S25 Ultra at 218 g (47 g difference).
Which phone is thinner?: iPhone 15 is thinner at 7.8 mm compared with Galaxy S25 Ultra at 8.2 mm (0.40 mm difference).
Which phone is easier to carry?: iPhone 15 is easier to carry with a smaller overall body size (71.6 × 147.6 × 7.8 mm, 171 g) than Galaxy S25 Ultra (77.6 × 162.8 × 8.2 mm, 218 g).
Which phone is better for one-handed use?: iPhone 15 is better for one-handed use with a 71.6 mm width, 147.6 mm height, and 171 g weight versus Galaxy S25 Ultra at 77.6 mm, 162.8 mm, and 218 g.

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