Size
Based on gross tonnage and length
Capacity
Based on passengers and crew
Modernity
Based on year built
Service
Based on passenger-to-crew ratio (lower is better)
Spaciousness
Based on gross tonnage per passenger (higher is better)
AIDACosma
Allure of the Seas
Gross Tonnage
AIDACosma
183,858 GT
Allure of the Seas
225,282 GT
Length
AIDACosma
337 m
Allure of the Seas
362 m
Beam
AIDACosma
42 m
Allure of the Seas
60 m
Passengers
AIDACosma
5,200
Allure of the Seas
6,780
Crew
AIDACosma
1,550
Allure of the Seas
2,100
Decks
AIDACosma
—
Allure of the Seas
—
Year Built
AIDACosma
2,022
Allure of the Seas
2,010
Space Ratio
AIDACosma
35.4 GT/pax
Allure of the Seas
33.2 GT/pax
Passenger:Crew Ratio
AIDACosma
3.35 :1
Allure of the Seas
3.23 :1
| Specification | AIDACosma | Allure of the Seas |
|---|---|---|
| Overview | ||
| Cruise Line | AIDA Cruises | Royal Caribbean International |
| Class | Helios Class | Oasis Class |
| Status | active | active |
| Year Built | 2,022Winner | 2,010 |
| Dimensions | ||
| Gross Tonnage | 183,858 GT | 225,282 GTWinner |
| Length | 337 m | 362 mWinner |
| Beam | 42 m | 60 mWinner |
| Capacity | ||
| Passengers | 5,200 | 6,780Winner |
| Crew | 1,550 | 2,100Winner |
| Key Ratios | ||
| Space Ratio | 35.4 GT/paxWinner | 33.2 GT/pax |
| Passenger:Crew Ratio | 3.35:1 | 3.23:1Winner |
| Build | ||
| Builder | Meyer Werft | STX Finland |
| Flag | Italy | Bahamas |
| IMO Number | 9781865 | 9383948 |
Allure of the Seas is the significantly larger vessel at 225,282 GT — 23% more than AIDACosma's 183,858 GT. Built in 2022, AIDACosma is 12 years newer — an advantage for travellers seeking modern amenities and design. Allure of the Seas edges ahead in service with a passenger-to-crew ratio of 3.2:1, meaning more crew per guest.
| Category | Winner |
|---|---|
| Size | Allure of the Seas |
| Capacity | Allure of the Seas |
| Modernity | AIDACosma |
| Service | Allure of the Seas |
| Spaciousness | AIDACosma |
Bottom line: Allure of the Seas wins more categories (3 vs 2), making it the stronger all-round choice based on current data.
AIDACosma
Large 5,200-guest capacity offers competitive pricing
5,200 passengers means tons of activities
Built in 2022 with modern facilities — great for a first cruise
Comfortable atmosphere for two
Allure of the Seas
Large 6,780-guest capacity offers competitive pricing
6,780 passengers means tons of activities
Well-suited for cruise newcomers
Comfortable atmosphere for two
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
We may earn a commission from partner bookings at no extra cost to you.
| Draft | 8.6 m | 9.3 mWinner |
| Decks | — | — |
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