Which phone is lighter?

iPhone 17 Air is lighter at 165 g versus Galaxy Z TriFold at 309 g (144 g difference).

Which phone is thinner?

iPhone 17 Air is thinner at 5.64 mm compared with Galaxy Z TriFold at 12.9 mm (7.26 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 Z TriFold (75 × 159.2 × 12.9 mm, 309 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 Z TriFold at 75 mm, 159.2 mm, and 309 g.

Which device is heavier?

Galaxy Z TriFold is heavier at 309g compared with iPhone 17 Air at 165g.

How much heavier is Galaxy Z TriFold than iPhone 17 Air?

Galaxy Z TriFold is 144g heavier than iPhone 17 Air (309g vs 165g).

Is the weight difference noticeable?

Yes — Galaxy Z TriFold is 144g heavier than iPhone 17 Air (309g vs 165g), which many people notice during extended browsing, gaming, or travel.

Device Size Comparison

Galaxy Z TriFold vs iPhone 17 Air

Open comparison tool

Comparison Summary

Galaxy Z TriFold is slightly wider than iPhone 17 Air (75 mm vs 74.7 mm), Galaxy Z TriFold is significantly heavier (309 g vs 165 g), and Galaxy Z TriFold is significantly thicker (12.9 mm vs 5.64 mm). Galaxy Z TriFold is 0.3 mm wider and 3 mm taller than iPhone 17 Air, making Galaxy Z TriFold no...

Key Differences

Weight
The Galaxy Z TriFold is 144g heavier than the iPhone 17 Air (87.3%).
Thickness
The Galaxy Z TriFold is 7.3mm thicker than the iPhone 17 Air.
Height
The Galaxy Z TriFold is 3mm taller than the iPhone 17 Air.
Width
The Galaxy Z TriFold is 0.3mm wider than the iPhone 17 Air.

Winner Cards

Smaller body

iPhone 17 Air

iPhone 17 Air (74.7 × 156.2 mm) vs Galaxy Z TriFold (75 × 159.2 mm).

Lighter weight

iPhone 17 Air

iPhone 17 Air (165 g) vs Galaxy Z TriFold (309 g), 144 g lighter.

Thinner design

iPhone 17 Air

iPhone 17 Air (5.64 mm) vs Galaxy Z TriFold (12.9 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 Z TriFold

Galaxy Z TriFold is 0.3 mm wider and 3 mm taller than iPhone 17 Air (75 × 159.2 mm vs 74.7 × 156.2 mm).

Dimension Comparison Table

Dimension	Galaxy Z TriFold	iPhone 17 Air	Difference
Width	75 mm	74.7 mm	-0.3 mm
Height	159.2 mm	156.2 mm	-3 mm
Thickness	12.9 mm	5.64 mm	-7.26 mm
Weight	309 g	165 g	-144 g

Real-world Usage

Pocket Carry

The iPhone 17 Air's slimmer edge may slide into jeans or jacket pockets more easily, and the iPhone 17 Air has the smaller listed frame for upright storage.

One-Hand Use

The iPhone 17 Air's shorter body may reduce vertical thumb travel; the Galaxy Z TriFold covers more height when reaching the top of the screen.

Daily Comfort

Listed weight and bulk move together here: the Galaxy Z TriFold is both heavier and larger, which can feel more substantial during routine handheld use.

Travel & Bag Carry

The Galaxy Z TriFold uses more organizer space in a bag or backpack; the iPhone 17 Air leaves more room beside cases and chargers, and the Galaxy Z TriFold adds more listed mass to a packed carry.

Buying Recommendation

Who should choose the Galaxy Z TriFold?

Choose the Galaxy Z TriFold if you prefer the larger listed body with higher listed weight (309g vs 165g), wider 75 mm body (vs 74.7 mm), taller 159.2 mm frame (vs 156.2 mm), thicker 12.9 mm edge (vs 5.64 mm), and larger overall footprint (75 × 159.2 mm vs 74.7 × 156.2 mm).

Who should choose the iPhone 17 Air?

Choose the iPhone 17 Air if you want the more compact listed option with lighter listed weight (165g vs 309g), narrower 74.7 mm width (vs 75 mm), shorter 156.2 mm height (vs 159.2 mm), thinner 5.64 mm profile (vs 12.9 mm), and smaller width × height footprint (74.7 × 156.2 mm vs 75 × 159.2 mm).

Overall recommendation

Overall, the iPhone 17 Air is the more compact pick on listed size, and the Galaxy Z TriFold is the larger option for buyers who want more physical presence from the official dimensions alone.

FAQ

Which phone is bigger?: Galaxy Z TriFold is 0.3 mm wider and 3 mm taller than iPhone 17 Air (75 × 159.2 mm vs 74.7 × 156.2 mm).
Which phone is lighter?: iPhone 17 Air is lighter at 165 g versus Galaxy Z TriFold at 309 g (144 g difference).
Which phone is thinner?: iPhone 17 Air is thinner at 5.64 mm compared with Galaxy Z TriFold at 12.9 mm (7.26 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 Z TriFold (75 × 159.2 × 12.9 mm, 309 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 Z TriFold at 75 mm, 159.2 mm, and 309 g.
Which device is heavier?: Galaxy Z TriFold is heavier at 309g compared with iPhone 17 Air at 165g.
How much heavier is Galaxy Z TriFold than iPhone 17 Air?: Galaxy Z TriFold is 144g heavier than iPhone 17 Air (309g vs 165g).
Is the weight difference noticeable?: Yes — Galaxy Z TriFold is 144g heavier than iPhone 17 Air (309g vs 165g), which many people notice during extended browsing, gaming, or travel.

Related Devices

Related Comparisons

More size comparisons from the same device families, brands, and recent flagship models.

Open Galaxy Z TriFold and iPhone 17 Air in the comparison tool