Which phone is lighter?

iPhone SE (3rd generation) is lighter at 144 g versus iPhone 17 at 177 g (33 g difference).

Which phone is thinner?

iPhone SE (3rd generation) is thinner at 7.3 mm compared with iPhone 17 at 7.95 mm (0.65 mm difference).

Which phone is easier to carry?

iPhone SE (3rd generation) is easier to carry with a smaller overall body size (67.3 × 138.4 × 7.3 mm, 144 g) than iPhone 17 (71.5 × 149.6 × 7.95 mm, 177 g).

Which phone is better for one-handed use?

iPhone SE (3rd generation) is better for one-handed use with a 67.3 mm width, 138.4 mm height, and 144 g weight versus iPhone 17 at 71.5 mm, 149.6 mm, and 177 g.

Device Size Comparison

iPhone 17 vs iPhone SE (3rd generation)

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Comparison Summary

iPhone 17 is significantly wider than iPhone SE (3rd generation) (71.5 mm vs 67.3 mm), iPhone 17 is significantly heavier (177 g vs 144 g), and iPhone 17 is noticeably thicker (7.95 mm vs 7.3 mm). iPhone 17 is 4.2 mm wider and 11.2 mm taller than iPhone SE (3rd generation), making iPhone 17 signi...

Winner Cards

Smaller body

iPhone SE (3rd generation)

iPhone SE (3rd generation) (67.3 × 138.4 mm) vs iPhone 17 (71.5 × 149.6 mm).

Lighter weight

iPhone SE (3rd generation)

iPhone SE (3rd generation) (144 g) vs iPhone 17 (177 g), 33 g lighter.

Thinner design

iPhone SE (3rd generation)

iPhone SE (3rd generation) (7.3 mm) vs iPhone 17 (7.95 mm).

Pocketability

iPhone SE (3rd generation)

iPhone SE (3rd generation) has a smaller overall body size for pocket carry (67.3 × 138.4 × 7.3 mm).

Larger overall size

iPhone 17

iPhone 17 is 4.2 mm wider and 11.2 mm taller than iPhone SE (3rd generation) (71.5 × 149.6 mm vs 67.3 × 138.4 mm).

Dimensions Table

Dimension	iPhone 17	iPhone SE (3rd generation)	Difference
Width	71.5 mm	67.3 mm	-4.2 mm
Height	149.6 mm	138.4 mm	-11.2 mm
Thickness	7.95 mm	7.3 mm	-0.65 mm
Weight	177 g	144 g	-33 g

Real-World Feel

iPhone SE (3rd generation) is easier to grip one-handed with a 67.3 mm width and 138.4 mm height, while iPhone 17 may require more finger stretching (71.5 mm × 149.6 mm).
iPhone SE (3rd generation) slides into pockets more comfortably at 7.3 mm thick, and iPhone SE (3rd generation) has the smaller overall body for vertical pocket storage.
iPhone SE (3rd generation) (144 g) feels noticeably lighter during extended one-handed use than iPhone 17 (177 g), a 33 g difference that adds up over time.
iPhone 17 takes up more desk and bag space at 71.5 × 149.6 × 7.95 mm, while iPhone SE (3rd generation) leaves more room for cases, chargers, and other items.

Which is Bigger?

Overall size: iPhone 17 is 4.2 mm wider and 11.2 mm taller than iPhone SE (3rd generation), making iPhone 17 significantly larger overall.
Width: iPhone 17 is wider (71.5 mm vs 67.3 mm, +4.2 mm).
Height: iPhone 17 is taller (149.6 mm vs 138.4 mm, +11.2 mm).

Weight Comparison

iPhone 17 weighs 177 g and iPhone SE (3rd generation) weighs 144 g — a difference of 33 g. iPhone 17 is 22.9% heavier than iPhone SE (3rd generation).

Thickness Comparison

iPhone 17 is 7.95 mm thick and iPhone SE (3rd generation) is 7.3 mm thick (+0.65 mm). iPhone 17 is the thicker device in hand.

FAQ

Which phone is bigger?: iPhone 17 is 4.2 mm wider and 11.2 mm taller than iPhone SE (3rd generation) (71.5 × 149.6 mm vs 67.3 × 138.4 mm).
Which phone is lighter?: iPhone SE (3rd generation) is lighter at 144 g versus iPhone 17 at 177 g (33 g difference).
Which phone is thinner?: iPhone SE (3rd generation) is thinner at 7.3 mm compared with iPhone 17 at 7.95 mm (0.65 mm difference).
Which phone is easier to carry?: iPhone SE (3rd generation) is easier to carry with a smaller overall body size (67.3 × 138.4 × 7.3 mm, 144 g) than iPhone 17 (71.5 × 149.6 × 7.95 mm, 177 g).
Which phone is better for one-handed use?: iPhone SE (3rd generation) is better for one-handed use with a 67.3 mm width, 138.4 mm height, and 144 g weight versus iPhone 17 at 71.5 mm, 149.6 mm, and 177 g.

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