Which phone is lighter?

iPhone 17 Air is lighter at 165 g versus Galaxy S25 Ultra at 218 g (53 g difference).

Which phone is thinner?

iPhone 17 Air is thinner at 5.64 mm compared with Galaxy S25 Ultra at 8.2 mm (2.56 mm difference).

Which phone is easier to carry?

iPhone 17 Air is easier to carry with a smaller overall body size (74.7 × 156.2 × 5.64 mm, 165 g) than Galaxy S25 Ultra (77.6 × 162.8 × 8.2 mm, 218 g).

Which phone is better for one-handed use?

iPhone 17 Air is better for one-handed use with a 74.7 mm width, 156.2 mm height, and 165 g weight versus Galaxy S25 Ultra at 77.6 mm, 162.8 mm, and 218 g.

Device Size Comparison

Galaxy S25 Ultra vs iPhone 17 Air

Open comparison tool

Comparison Summary

Galaxy S25 Ultra is noticeably wider than iPhone 17 Air (77.6 mm vs 74.7 mm), Galaxy S25 Ultra is significantly heavier (218 g vs 165 g), and Galaxy S25 Ultra is significantly thicker (8.2 mm vs 5.64 mm). Galaxy S25 Ultra is 2.9 mm wider and 6.6 mm taller than iPhone 17 Air, making Galaxy S25 Ult...

Winner Cards

Smaller body

iPhone 17 Air

iPhone 17 Air (74.7 × 156.2 mm) vs Galaxy S25 Ultra (77.6 × 162.8 mm).

Lighter weight

iPhone 17 Air

iPhone 17 Air (165 g) vs Galaxy S25 Ultra (218 g), 53 g lighter.

Thinner design

iPhone 17 Air

iPhone 17 Air (5.64 mm) vs Galaxy S25 Ultra (8.2 mm).

Pocketability

iPhone 17 Air

iPhone 17 Air has a smaller overall body size for pocket carry (74.7 × 156.2 × 5.64 mm).

Larger overall size

Galaxy S25 Ultra

Galaxy S25 Ultra is 2.9 mm wider and 6.6 mm taller than iPhone 17 Air (77.6 × 162.8 mm vs 74.7 × 156.2 mm).

Dimensions Table

Dimension	Galaxy S25 Ultra	iPhone 17 Air	Difference
Width	77.6 mm	74.7 mm	-2.9 mm
Height	162.8 mm	156.2 mm	-6.6 mm
Thickness	8.2 mm	5.64 mm	-2.56 mm
Weight	218 g	165 g	-53 g

Real-World Feel

iPhone 17 Air is easier to grip one-handed with a 74.7 mm width and 156.2 mm height, while Galaxy S25 Ultra may require more finger stretching (77.6 mm × 162.8 mm).
iPhone 17 Air slides into pockets more comfortably at 5.64 mm thick, and iPhone 17 Air has the smaller overall body for vertical pocket storage.
iPhone 17 Air (165 g) feels noticeably lighter during extended one-handed use than Galaxy S25 Ultra (218 g), a 53 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 17 Air leaves more room for cases, chargers, and other items.

Which is Bigger?

Overall size: Galaxy S25 Ultra is 2.9 mm wider and 6.6 mm taller than iPhone 17 Air, making Galaxy S25 Ultra noticeably larger overall.
Width: Galaxy S25 Ultra is wider (77.6 mm vs 74.7 mm, +2.9 mm).
Height: Galaxy S25 Ultra is taller (162.8 mm vs 156.2 mm, +6.6 mm).

Weight Comparison

Galaxy S25 Ultra weighs 218 g and iPhone 17 Air weighs 165 g — a difference of 53 g. Galaxy S25 Ultra is 32.1% heavier than iPhone 17 Air.

Thickness Comparison

Galaxy S25 Ultra is 8.2 mm thick and iPhone 17 Air is 5.64 mm thick (+2.56 mm). Galaxy S25 Ultra is the thicker device in hand.

FAQ

Which phone is bigger?: Galaxy S25 Ultra is 2.9 mm wider and 6.6 mm taller than iPhone 17 Air (77.6 × 162.8 mm vs 74.7 × 156.2 mm).
Which phone is lighter?: iPhone 17 Air is lighter at 165 g versus Galaxy S25 Ultra at 218 g (53 g difference).
Which phone is thinner?: iPhone 17 Air is thinner at 5.64 mm compared with Galaxy S25 Ultra at 8.2 mm (2.56 mm difference).
Which phone is easier to carry?: iPhone 17 Air is easier to carry with a smaller overall body size (74.7 × 156.2 × 5.64 mm, 165 g) than Galaxy S25 Ultra (77.6 × 162.8 × 8.2 mm, 218 g).
Which phone is better for one-handed use?: iPhone 17 Air is better for one-handed use with a 74.7 mm width, 156.2 mm height, and 165 g weight versus Galaxy S25 Ultra at 77.6 mm, 162.8 mm, and 218 g.

Related Devices

Related Comparisons

Open Galaxy S25 Ultra and iPhone 17 Air in the comparison tool