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The iPhone 18 Pro and Credit Card are most easily told apart by their overall size. On height, the iPhone 18 Pro measures 150.0 mm against the Credit Card's 54.0 mm — about 96.0 mm more. On width, the Credit Card measures 85.6 mm against the iPhone 18 Pro's 71.9 mm — about 13.7 mm more. On thickness, the iPhone 18 Pro measures 8.8 mm against the Credit Card's 0.8 mm — about 8.0 mm more.
Only the iPhone 18 Pro lists a weight (211 g), so a direct comparison is not possible.
Fits in most pockets, may feel snug when sitting.
Most of the screen is reachable, shifting grip needed for corners.
| Metric | iPhone 18 Pro | Credit Card | Diff |
|---|---|---|---|
| Width | 71.9 mm | 85.6 mm | -13.7 mm |
| Height | 150.0 mm | 54.0 mm | +96.0 mm |
| Depth | 8.8 mm | 0.8 mm | +8.0 mm |
| Weight | 211 g | N/A | - |