| Boston | Vinh | |
| 1 Pair of Nike shoes | USD 95.45 | USD 81.35 |
| Potato (1kg) | USD 2.43 | USD 0.78 |
| Apartment (3 bedrooms) in city centre | USD 3 561.54 | USD 931.24 |
| 1 min. of prepaid mobile tariff | USD 0.08 | USD 0.11 |
| Tennis court rent (1 hour on weekend) | USD 27.49 | USD 6.01 |