How our Bliss Filters work
Detailed side-by-side comparison of Carnival Cruise Line and Costa Cruises cruise ships
| Specification | Carnival Firenze | Costa Diadema |
|---|---|---|
| Cruise Line | Carnival Cruise Line | Costa Cruises |
| Maiden Voyage | 2024 | 2012 |
| Year Refurbished | N/A | N/A |
| Adults Only | No | No |
| Specification | Carnival Firenze | Costa Diadema |
|---|---|---|
| Passenger Capacity | 4,126 | 4,947 |
| Crew Size | 1,424 | 1,253 |
| Guest-to-Crew Ratio | 2.90 | 3.95 |
| Specification | Carnival Firenze | Costa Diadema |
|---|---|---|
| Gross Tonnage | 135,156 | 132,500 |
| Length | 1,061 ft | 1,004 ft |
| Width | 122 ft | 122 ft |
| Ship Size Category | Mega | Mega |
| Number of Decks | 14 | 20 |
| Specification | Carnival Firenze | Costa Diadema |
|---|---|---|
| Overall Cruiseable Rating | N/A | 8.0 / 10 |
| Roominess Score | N/A | N/A |
| Advised For | Families | Families, entertainment |
