Device Size Comparison
Weight
The Galaxy Tab S9 is 321g heavier than the iPhone 17 (181.4%).
Height
The Galaxy Tab S9 is 104.7mm taller than the iPhone 17.
Width
The Galaxy Tab S9 is 94.3mm wider than the iPhone 17.
Thickness
The iPhone 17 is 2.1mm thicker than the Galaxy Tab S9.
Smaller body
iPhone 17
iPhone 17 (71.5 × 149.6 mm) vs Galaxy Tab S9 (165.8 × 254.3 mm).
Lighter weight
iPhone 17
iPhone 17 (177 g) vs Galaxy Tab S9 (498 g), 321 g lighter.
Thinner design
Galaxy Tab S9
Galaxy Tab S9 (5.9 mm) vs iPhone 17 (7.95 mm).
Pocketability
iPhone 17
iPhone 17 has a smaller overall body size for pocket carry (71.5 × 149.6 × 7.95 mm).
Larger overall size
Galaxy Tab S9
Galaxy Tab S9 is 94.3 mm wider and 104.7 mm taller than iPhone 17 (165.8 × 254.3 mm vs 71.5 × 149.6 mm).
| Dimension | Galaxy Tab S9 | iPhone 17 | Difference |
|---|---|---|---|
| Width | 165.8 mm | 71.5 mm | -94.3 mm |
| Height | 254.3 mm | 149.6 mm | -104.7 mm |
| Thickness | 5.9 mm | 7.95 mm | +2.05 mm |
| Weight | 498 g | 177 g | -321 g |
Pocket Carry
The iPhone 17 is the better pocket fit on paper; the Galaxy Tab S9 may feel tighter when stored vertically in shallow pockets.
One-Hand Use
The iPhone 17's shorter body may reduce vertical thumb travel; the Galaxy Tab S9 covers more height when reaching the top of the screen.
Daily Comfort
Listed weight and bulk move together here: the Galaxy Tab S9 is both heavier and larger, which can feel more substantial during routine handheld use.
Travel & Bag Carry
The Galaxy Tab S9 uses more organizer space in a bag or backpack; the iPhone 17 leaves more room beside cases and chargers, and the Galaxy Tab S9 adds more listed mass to a packed carry.
Who should choose the Galaxy Tab S9?
Choose the Galaxy Tab S9 if thinner 5.9 mm profile (vs 7.95 mm) matter most to you, even though it also has higher listed weight (498g vs 177g), wider 165.8 mm body (vs 71.5 mm), taller 254.3 mm frame (vs 149.6 mm), and larger overall footprint (165.8 × 254.3 mm vs 71.5 × 149.6 mm) compared with the iPhone 17.
Who should choose the iPhone 17?
Choose the iPhone 17 if lighter listed weight (177g vs 498g), narrower 71.5 mm width (vs 165.8 mm), shorter 149.6 mm height (vs 254.3 mm), and smaller width × height footprint (71.5 × 149.6 mm vs 165.8 × 254.3 mm) matter most to you, even though it also has thicker 7.95 mm edge (vs 5.9 mm) compared with the Galaxy Tab S9.
Overall recommendation
Overall, the iPhone 17 is the more compact pick on listed size, and the Galaxy Tab S9 is the larger option for buyers who want more physical presence from the official dimensions alone.
More size comparisons from the same device families, brands, and recent flagship models.