When placed side by side, the iPhone 15 Pro and Index Card 3×5 reveal a clear story. In terms of height, the iPhone 15 Pro stands at 146.6 mm while the Index Card 3×5 measures 127.0 mm. The iPhone 15 Pro is 19.6 mm taller. Looking at width, the iPhone 15 Pro is 70.6 mm across versus the Index Card 3×5's 76.2 mm. The Index Card 3×5 is 5.6 mm wider. For thickness, the iPhone 15 Pro comes in at 8.3 mm compared to the Index Card 3×5's 0.2 mm. The iPhone 15 Pro is 8.1 mm thicker.
Fits comfortably in most front pockets.
Comfortable to reach all corners with one thumb.
| Metric | iPhone 15 Pro | Index Card 3×5 | Diff |
|---|---|---|---|
| Width | 70.6 mm | 76.2 mm | -5.6 mm |
| Height | 146.6 mm | 127.0 mm | +19.6 mm |
| Depth | 8.3 mm | 0.2 mm | +8.1 mm |
| Weight | 187 g | N/A | - |