
The MacBook Air 15" (M3) and Credit Card are most easily told apart by their overall size. On height, the MacBook Air 15" (M3) measures 237.6 mm against the Credit Card's 54.0 mm — about 183.6 mm more. On width, the MacBook Air 15" (M3) measures 340.4 mm against the Credit Card's 85.6 mm — about 254.8 mm more. On thickness, the MacBook Air 15" (M3) measures 11.5 mm against the Credit Card's 0.8 mm — about 10.7 mm more.
Only the MacBook Air 15" (M3) lists a weight (1.26 kg), so a direct comparison is not possible.
| Metric | MacBook Air 15" (M3) | Credit Card | Diff |
|---|---|---|---|
| Width | 340.4 mm | 85.6 mm | +254.8 mm |
| Height | 237.6 mm | 54.0 mm | +183.6 mm |
| Depth | 11.5 mm | 0.8 mm | +10.7 mm |
| Weight | 1.26 kg | N/A | - |