Two Princess Cruises ships, head to head — specs, amenities, and what each one is genuinely better at.
Discovery Princess (2022) is the newer ship by 14 years versus Ruby Princess (2008). Discovery Princess is the larger hull at 145,000 GT (~28% bigger). Ruby Princess sails with fewer guests at double occupancy (3,080 vs 3,660).
| Spec | Discovery Princess | Ruby Princess |
|---|---|---|
| Year built | 2022 | 2008 |
| Tonnage | 145,000 GT | 113,561 GT |
| Guests (double occupancy) | 3,660 | 3,080 |
| Guests (max) | 4,458 | 3,670 |
Trophy marks the ship that wins each row. Smaller capacity = more space per guest.