
The iPhone 16e and Index Card 3×5 are most easily told apart by their overall size. On height, the iPhone 16e measures 146.7 mm against the Index Card 3×5's 127.0 mm — about 19.7 mm more. On width, the Index Card 3×5 measures 76.2 mm against the iPhone 16e's 71.5 mm — about 4.7 mm more. On thickness, the iPhone 16e measures 8.1 mm against the Index Card 3×5's 0.2 mm — about 7.9 mm more.
Only the iPhone 16e lists a weight (171 g), so a direct comparison is not possible.
Fits comfortably in most front pockets.
Most of the screen is reachable, shifting grip needed for corners.
| Metric | iPhone 16e | Index Card 3×5 | Diff |
|---|---|---|---|
| Width | 71.5 mm | 76.2 mm | -4.7 mm |
| Height | 146.7 mm | 127.0 mm | +19.7 mm |
| Depth | 8.1 mm | 0.2 mm | +7.9 mm |
| Weight | 171 g | N/A | - |